{"title":"Welch Belt Driven Vacuum Pumps","description":"\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eWelch belt driven vacuum pumps are renowned worldwide for their exceptional durability, cooler operation, and long service life. The slow-speed belt-drive design (typically 525–580 RPM) reduces wear, runs much cooler than direct-drive pumps, and features large oil reservoirs that better tolerate chemical vapors and contaminants.\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eWhy Choose Welch Belt Driven (DuoSeal) Pumps?\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eDeeper ultimate vacuum — down to 1×10⁻⁴ Torr\u003c\/li\u003e\n\u003cli\u003eSuperior vapor handling capacity\u003c\/li\u003e\n\u003cli\u003eProven reliability in laboratory and industrial environments\u003c\/li\u003e\n\u003cli\u003eEasy and economical maintenance\u003c\/li\u003e\n\u003cli\u003eAvailable in standard DuoSeal, ChemStar (chemical-resistant), and refrigeration service versions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003ePopular Welch Belt Drive Models We Carry:\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e1400 Series – 0.9 CFM (Compact lab \u0026amp; Schlenk lines)\u003c\/li\u003e\n\u003cli\u003e1402 Series – 5.6 CFM (Best-seller for rotovaps, vacuum ovens, and general lab use)\u003c\/li\u003e\n\u003cli\u003e1376 Series – 10.6 CFM (Mid-range workhorse)\u003c\/li\u003e\n\u003cli\u003e1397 Series – 17.7 CFM (High capacity)\u003c\/li\u003e\n\u003cli\u003e1374 Series – 23 CFM (Largest industrial models)\u003c\/li\u003e\n\u003cli\u003eChemStar (N-series) – Chemical-resistant versions with Welch Gold Oil compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eBest Applications by Model Size\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall (1400 Series)\u003c\/strong\u003e: Schlenk lines, small vacuum ovens, degassing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium (1402 Series)\u003c\/strong\u003e: Rotary evaporators, vacuum distillation, refrigeration service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge (1376 \/ 1397 \/ 1374 Series)\u003c\/strong\u003e: Industrial vacuum systems, freeze dryers, vacuum furnaces, backing turbopumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eWhether you need a complete pump, unmounted bare pump, Fomblin-prepared unit, or refrigeration service model (–46 versions), Chemtech Scientific is your trusted source for genuine Welch belt driven vacuum pumps, parts, repair kits, and full rebuild service.\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eAcademic \u0026amp; Research Discounts Available — Contact us for special pricing.\u003c\/p\u003e","products":[{"product_id":"welch-1402b-01-duoseal-vacuum-pump","title":"Welch 1402B-01 DuoSeal Vacuum Pump","description":"\u003ch3 dir=\"auto\"\u003eWelch 1402B-01 Duoseal Belt Drive Vacuum Pump\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1402B-01\u003c\/strong\u003e is a robust, belt-driven, two-stage rotary vane vacuum pump known for its reliability and deep vacuum performance. Ideal for laboratory and industrial applications, this pump delivers strong pumping speed and excellent vapor handling.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eWhat's Included in this Package:\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eWelch 1402B-01 Duoseal Vacuum Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 Quarts of DuoSeal Vacuum Pump Oil\u003c\/strong\u003e (Part # 1407K-11)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e (Part # 1417P-10)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Common accessories such as inlet traps, hoses, or additional fittings are \u003cstrong\u003enot included\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_1402B-01_Duoseal_Vacuum_Pump_Flyer_1b.png?v=1778178216\" alt=\"\"\u003e\u003c\/h4\u003e\n\u003ch4 dir=\"auto\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"md\"\u003eParameter\u003c\/th\u003e\n\u003cth data-col-size=\"lg\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e5.6 CFM (160 L\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eMaximum Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e0.001 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e2.25 qt (2.1 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e13\/16\" (21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eExhaust \/ Intake Threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e525 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e20\" x 12\" x 15\" (51 x 30 x 38 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e115V, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"height: 1px; width: 408px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eInstallation Recommendation\u003c\/strong\u003e The Welch Duoseal 1402B-01 vacuum pump should be located in a clean and well-ventilated area. Adequate space should be provided for routine maintenance such as oil changes and belt adjustments. For best performance, place the pump as close as possible to the vacuum system to minimize tubing length and maximize efficiency.\u003c\/p\u003e\n\u003cp\u003eWelch vacuum complete pumps model numbers include a four number model of pump along with a suffix containing a letter, dash and two numbers to designate voltage. The complete pump (pump, motor, base, belt - ready to run out of the box) in 115v, 60 Hz is a Welch 1402B -01 vacuum pump.\u003c\/p\u003e\n\u003cp\u003eThe Welch catalog#: 1402 is a base pump only. It is an unmounted pump typically used for a drop in replacement for a failed pump. The Welch 1402 cat# does not include the base, belt or motor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur \u003ca href=\"https:\/\/www.chemtechsci.com\/blogs\/news\" title=\"Chemtech Scientific Blog\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBlog\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1127839496,"sku":"1402B-01","price":3669.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402b-01-duoseal-vacuum-pump-25487941632149.jpg?v=1779794251"},{"product_id":"welch-1374-duoseal-unmounted-pump-23-cfm","title":"Welch 1374, DUOSEAL Unmounted Pump, 23 CFM","description":"\u003ch3 dir=\"auto\"\u003eWelch 1374 DUOSEAL Vacuum Pump – 23 CFM (Unmounted)\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1374 DUOSEAL\u003c\/strong\u003e is a rugged, high-performance belt-drive rotary vane vacuum pump known for its reliability and deep vacuum capability. With a pumping speed of \u003cstrong\u003e23 CFM (650 L\/min)\u003c\/strong\u003e, it is an excellent choice for laboratory and industrial applications that require strong vacuum performance.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e This product is an unmounted pump and a component to a complete belt driven vacuum pump. The Welch DuoSeal Unmounted Pump 1374 requires a base, motor and belt to generate vacuum. This product can only be used as a drop in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e23 CFM (650 L\/min)\u003c\/strong\u003e free air displacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate vacuum\u003c\/strong\u003e: 1 × 10⁻⁴ Torr (with gas ballast closed)\u003c\/li\u003e\n\u003cli\u003eDurable DUOSEAL design with proven long-term reliability\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for better cooling and extended oil life\u003c\/li\u003e\n\u003cli\u003eLow noise and vibration compared to many competitive models\u003c\/li\u003e\n\u003cli\u003eEasy maintenance with accessible oil drain and fill ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying\u003c\/li\u003e\n\u003cli\u003eSchlenk lines and glove boxes\u003c\/li\u003e\n\u003cli\u003eVacuum distillation\u003c\/li\u003e\n\u003cli\u003eDegassing and lyophilization\u003c\/li\u003e\n\u003cli\u003eIndustrial and OEM installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1374 is part of the trusted DUOSEAL series, built tough for continuous use in demanding environments. Its belt-drive design allows for easy speed adjustment and serviceability.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed help building a complete system?\u003c\/strong\u003e We can supply the full mounted pump, base, motor, belt, and accessories.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Contact our vacuum specialists at \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e — we’re happy to help you choose the right pump for your application.\u003c\/p\u003e\n\u003ctable style=\"height: 176.4px;\" width=\"329\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003ePumping Speed\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e23 CFM (650 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eOil Capacity\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e1.25 qt(1.2 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e1-5\/8(41)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"height: 39.2px;\" width=\"167\"\u003eExhaust \/ Intake threads\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px;\" width=\"162\"\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003ePump RPM\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e510\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e26\"x13.7\"x18.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e85 lb (100 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136464616,"sku":"1374","price":7382.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1374-duoseal-unmounted-pump-23-cfm-25494106800277.jpg?v=1779794256"},{"product_id":"welch-1374b-01-duoseal-vacuum-pump","title":"Welch 1374B-01 DuoSeal Vacuum Pump","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"height: 657px; width: 583px;\" width=\"583\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"576\" style=\"width: 565.95px;\"\u003e\n\u003cp\u003eWelch 1374B-01 DuoSeal Vacuum Pump\u003c\/p\u003e\n\u003cp\u003eThe Welch 1374B-01 DuoSeal vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The Welch 1374B-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 650 liters\/min (23 CFM).\u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this DuoSeal vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"166\" style=\"width: 165.717px;\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"410\" style=\"width: 400.233px;\"\u003e2 qts DuoSeal vacuum pump oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165.717px;\"\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 400.233px;\"\u003e23 CFM (650 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165.717px;\"\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 400.233px;\"\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165.717px;\"\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 400.233px;\"\u003e1.25 qt(1.2 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165.717px;\"\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 400.233px;\"\u003e1-5\/8(41)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165.717px;\"\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 400.233px;\"\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165.717px;\"\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 400.233px;\"\u003e510\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165.717px;\"\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 400.233px;\"\u003e26\"x13.7\"x18.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165.717px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 400.233px;\"\u003e220 lb (100 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165.717px;\"\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 400.233px;\"\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136474840,"sku":"1374B-01","price":8304.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1374b-01-duoseal-vacuum-pump-25494079242389.jpg?v=1779794250"},{"product_id":"welch-1374b-01f-fomblin-duoseal-vacuum-pump","title":"Welch 1374B-01F Fomblin Duoseal Vacuum Pump","description":"\u003cp\u003eWelch 1374B-01F Vacuum Pump - Fomblin prepared vacuum pumps provide service in processes when hydrocarbon oil are not desired or are a hazard. Fomblin prepared vacuum pumps are a good choice for O2 service, extreme temperature and\/or aggressive gasses in processes.\u003c\/p\u003e\n\u003cp\u003eFomblin lubricants posses the following exceptional properties:\u003c\/p\u003e\n\u003ctable width=\"748\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"319\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eLow vapor pressure\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eChemical inertness\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh thermal stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGood lubricating properties\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNo flash or fire point\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow toxicity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExcellent compatibility with metals, plastics, elastomers\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd width=\"319\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eGood aqueous and non-aqueous solvent resistance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh dielectric properties\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow surface tension\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGood radiation stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEnvironmentally acceptable\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eFomblin prepared vacuum pumps require charge of fomblin, not shipped with vacuum pump.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"756\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23 CFM (650 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 qt (1.2 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed in.\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-5\/8\"(41)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e510\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26\"x13.7\"x18.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220 lb (100 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136481736,"sku":"1374B-01F","price":9139.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1374b-01f-fomblin-duoseal-vacuum-pump-15976300640.jpg?v=1779796017"},{"product_id":"welch-1374m-01-duoseal-vacuum-pump-23-cfm","title":"Welch 1374M-01 DUOSEAL Vacuum Pump | 23 CFM","description":"\u003ctable width=\"576\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"576\"\u003e\n\u003ch3 dir=\"auto\"\u003eWelch 1374M-01 DUOSEAL Vacuum Pump – 23 CFM \u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1374M-01\u003c\/strong\u003e is a rugged and robust belt-drive rotary vane vacuum pump designed for applications requiring pressures \u0026lt; 1 Torr. The 1374M-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 650 liters\/min (23 CFM).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e23 CFM (650 L\/min)\u003c\/strong\u003e pumping speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate vacuum\u003c\/strong\u003e: \u0026lt; 0.001 Torr\u003c\/li\u003e\n\u003cli\u003eFully mounted with base and motor – ready to use\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for better cooling and longer oil life\u003c\/li\u003e\n\u003cli\u003eDurable DUOSEAL rotary vane technology\u003c\/li\u003e\n\u003cli\u003eReliable performance for continuous duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying\u003c\/li\u003e\n\u003cli\u003eSchlenk lines and glove boxes\u003c\/li\u003e\n\u003cli\u003eVacuum distillation\u003c\/li\u003e\n\u003cli\u003eIndustrial process applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis mounted version (1374M-01) offers convenient installation while delivering the deep vacuum performance Welch DUOSEAL pumps are known for.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed technical advice or help selecting the right pump?\u003c\/strong\u003e Contact our vacuum specialists at \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e. We’re happy to help ensure you choose the best solution for your application.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"166\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"410\"\u003e2 qts DuoSeal oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23 CFM (650 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 qt(1.2 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-5\/8(41)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust .\/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e510\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH in.\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26\"x13.7\"x18.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220 lb (100 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-Phase Motor 230V, 460V, 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136484276,"sku":"1374M-01","price":8568.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1374m-01-duoseal-vacuum-pump-23-cfm-15976333408.jpg?v=1779794250"},{"product_id":"welch-1376-duoseal-unmounted-pump-1376","title":"Welch 1376 DuoSeal Unmounted Pump 1376","description":"\u003ch3 dir=\"auto\"\u003eWelch 1376 DUOSEAL Vacuum Pump – 10.6 CFM (Unmounted)\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1376 DUOSEAL\u003c\/strong\u003e is a reliable, belt-drive rotary vane vacuum pump known for its durability and strong performance in laboratory and industrial settings. With a pumping speed of \u003cstrong\u003e10.6 CFM (300 L\/min)\u003c\/strong\u003e, it delivers excellent deep vacuum capability.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eWelch cat# 1376 is an unmounted pump and a component to a complete belt driven vacuum pump. The Welch DuoSeal Unmounted Pump 1376 requires a base, motor and belt to generate vacuum. This product can only be used as a drop-in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e10.6 CFM (300 L\/min) pumping speed\u003c\/li\u003e\n\u003cli\u003eUltimate vacuum down to 1 × 10⁻⁴ Torr\u003c\/li\u003e\n\u003cli\u003eRugged DUOSEAL rotary vane design\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for extended life and cooler running\u003c\/li\u003e\n\u003cli\u003eEasy maintenance and serviceability\u003c\/li\u003e\n\u003cli\u003eIdeal for custom or OEM vacuum systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying chambers\u003c\/li\u003e\n\u003cli\u003eSchlenk lines and glove boxes\u003c\/li\u003e\n\u003cli\u003eVacuum distillation\u003c\/li\u003e\n\u003cli\u003eDegassing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis unmounted version (Welch cat# 1376) is perfect for customers who already have a base, motor, and belt assembly or are building a custom vacuum system.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed a complete mounted pump or help with parts?\u003c\/strong\u003e We carry the full Welch DUOSEAL series, including mounted versions, bases, motors, belts, and service kits.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eContact our vacuum team at \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e for recommendations or to confirm compatibility.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"604\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e10.6 CFM (300 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e0.001 torr\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e2.5 qt(2.4 l)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e13\/16(21)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e1-20\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e525\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136489268,"sku":"1376","price":4613.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376-duoseal-unmounted-pump-1376-25494074425493.jpg?v=1779797047"},{"product_id":"welch-1376b-01-duoseal-vacuum-pump","title":"Welch 1376B-01 DuoSeal Vacuum Pump","description":"\u003cp\u003eThe Welch 1376B-01 DuoSeal Vacuum Pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1376B-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 300 liters\/min (10.6 CFM).\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this DuoSeal pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003ctable width=\"514\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"198\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 qts DuoSeal vacuum pump oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.6 CFM (300 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 qt(2.4 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\/16(21)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"x14\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e156 lb (71 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136492560,"sku":"1376B-01","price":5185.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376b-01-duoseal-vacuum-pump-25494061613205.jpg?v=1779796780"},{"product_id":"welch-1376c-03-duoseal-vacuum-pump-10-6-cfm","title":"Welch 1376C-03 DUOSEAL Vacuum Pump – 10.6 CFM","description":"\u003ctable width=\"514\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"514\"\u003eWelch 1376C-03 DUOSEAL Vacuum Pump – 10.6 CFM | 230V 50Hz | Schuko Plug\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1376C-03\u003c\/strong\u003e is a reliable belt-drive rotary vane vacuum pump designed for laboratory and industrial use.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1376C-03 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1376C-03 achieves \u0026lt; 0.001 Torr with a pumping speed of 300 liters\/min (10.6 CFM).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis model operates on \u003cstrong\u003e230V 50Hz\u003c\/strong\u003e and comes with a \u003cstrong\u003eContinental Europe (Schuko) plug\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e10.6 CFM (300 L\/min) pumping speed\u003c\/li\u003e\n\u003cli\u003eUltimate vacuum down to \u0026lt; 0.001 Torr\u003c\/li\u003e\n\u003cli\u003e230V 50Hz motor with Schuko plug\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for cooler running and longer oil life\u003c\/li\u003e\n\u003cli\u003eDurable DUOSEAL rotary vane design\u003c\/li\u003e\n\u003cli\u003eEasy maintenance and service access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying\u003c\/li\u003e\n\u003cli\u003eSchlenk lines and glove boxes\u003c\/li\u003e\n\u003cli\u003eVacuum distillation\u003c\/li\u003e\n\u003cli\u003eGeneral industrial vacuum needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1376C-03 is a proven, hard-working pump from the trusted DUOSEAL series.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eQuestions about voltage, compatibility, or operation?\u003c\/strong\u003e Contact our vacuum specialists at \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e — we’re happy to help.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"198\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 qts DuoSeal oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.6 CFM (300 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 qt(2.4 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\/16(21)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust .\/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"x14\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e156 lb (71 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230V, 50Hz, w\/Cont. Euro. (Schuko) Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136499100,"sku":"1376C-03","price":5624.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376c-03-duoseal-vacuum-pump-10-6-cfm-15976562784.jpg?v=1779796000"},{"product_id":"welch-1376b-46-duoseal-vacuum-pump-for-refrigeration","title":"Welch 1376B-46 Duoseal Vacuum Pump for Refrigeration","description":"\u003cdiv class=\"clearfix lga-all md-all sm-all\"\u003e\n\u003ch3 dir=\"auto\"\u003eWelch 1376B-46 Refrigeration Services Vacuum Pump – 10.6 CFM | 115V\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eRugged DuoSeal belt-drive vacuum pumps enable fast, thorough evacuation of refrigeration systems. Features high flow and deep vacuum with low pump RPM and large oil reservoirs for extended life and reduced maintenance. Includes handles for easy positioning.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eDeep vacuum for fast evacuation and dehydration\u003c\/li\u003e\n\u003cli\u003eDurable pump, precision machined\u003c\/li\u003e\n\u003cli\u003eGas ballast for high vapor loads\u003c\/li\u003e\n\u003cli\u003eHigh flow rate of 10.6 CFM (300 L\/min)\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for cooler running and longer oil life\u003c\/li\u003e\n\u003cli\u003eIncludes handles for easy transport and positioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eElectrical Specifications:\u003c\/strong\u003e 115V, 60Hz, 1 Phase with North American 115V Plug\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1376B-46 is a proven, heavy-duty vacuum pump specifically designed for refrigeration and air conditioning service work. Its robust construction and reliable performance make it a favorite among HVAC\/R technicians who need fast, deep vacuum on every job.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eWhether you're evacuating residential, commercial, or industrial refrigeration systems, the 1376B-46 delivers the speed and depth needed to remove moisture and non-condensables efficiently.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed service kits, oil, or technical advice?\u003c\/strong\u003e Email us at \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cstrong\u003e\u003ca title=\"Owner's Manual Welch 1376B-46 Refrigeration Services Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/OWNER_S_MANUAL_Refrigeration1376.pdf?v=1584385767\" target=\"_blank\" rel=\"noopener\"\u003eOwners Manual for Welch 1376B-46 Refrigeration Services Vacuum Pump\u003c\/a\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"clearfix lga-all md-all sm-all\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"clearfix lga-all md-all sm-all\"\u003e\n\u003cbr\u003e\n\u003ctable width=\"599\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 67px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 67px;\"\u003eApplications\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 67px;\"\u003eService Lithium Bromide absorption chillers to 1100 tons, fluorcarbon or ammonia chillers to 500 tons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003eDUOSEAL Two Stage - Refrigeration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 45px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 45px;\"\u003eFree Air Displacement m3\/hr (l\/min.) @50Hz\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 45px;\"\u003e10.6CFM (300 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eUltimate Pressure\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003e0.001 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eMaximum Vacuum\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003e1 x 10-4 (1.3 x 10-4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eOil Capacity, qt.(liters)\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003e2.5(2.4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eMotor Horsepower (watts)\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003e1(750)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eAdjustable Vac. \/ Gas Ballast\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eIntake Thread NPT\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003e13\/16 (21)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eISO Exhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 22px;\"\u003eOverall Dimensions LxWxH in. (cm)\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 22px;\"\u003e20x14.1x15.4 (51x35.9x39)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 259.333px; height: 36px;\"\u003eShip Weight, lbs. (kg)\u003c\/td\u003e\n\u003ctd style=\"width: 326.667px; height: 36px;\"\u003e\n\u003cp\u003e180(81.8)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 259.333px;\"\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 326.667px;\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136521980,"sku":"1376B-46","price":5360.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376b-46-duoseal-vacuum-pump-for-refrigeration-15976661088.jpg?v=1779796650"},{"product_id":"welch-1376m-01-duoseal-vacuum-pump-10-6-cfm-3-phase-230v-460v","title":"Welch 1376M-01 DUOSEAL Vacuum Pump – 10.6 CFM | 3-Phase 230V\/460V","description":"\u003ctable width=\"514\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":962,\"abs_x\":621,\"abs_y\":271}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":12,\"w\":554,\"h\":956,\"abs_x\":624,\"abs_y\":274}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":12,\"w\":554,\"h\":701,\"abs_x\":624,\"abs_y\":274}'\u003e\n\u003ctd colspan=\"2\" width=\"514\" bis_size='{\"x\":15,\"y\":12,\"w\":554,\"h\":701,\"abs_x\":624,\"abs_y\":274}'\u003e\n\u003cp dir=\"auto\" bis_size='{\"x\":17,\"y\":14,\"w\":550,\"h\":19,\"abs_x\":626,\"abs_y\":276}'\u003eWelch 1376M-01 DUOSEAL Vacuum Pump – 10.6 CFM (3-Phase)\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":17,\"y\":50,\"w\":550,\"h\":58,\"abs_x\":626,\"abs_y\":312}'\u003eThe \u003cstrong bis_size='{\"x\":43,\"y\":50,\"w\":111,\"h\":19,\"abs_x\":652,\"abs_y\":312}'\u003eWelch 1376M-01\u003c\/strong\u003e is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1376M-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 300 liters\/min (10.6 CFM).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":17,\"y\":124,\"w\":550,\"h\":97,\"abs_x\":626,\"abs_y\":386}'\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":17,\"y\":238,\"w\":550,\"h\":39,\"abs_x\":626,\"abs_y\":500}'\u003eThis is the fully mounted \u003cstrong bis_size='{\"x\":172,\"y\":238,\"w\":97,\"h\":19,\"abs_x\":781,\"abs_y\":500}'\u003e3-Phase Motor\u003c\/strong\u003e version (230V \/ 460V, 60Hz), complete with base and motor.\u003c\/p\u003e\n\u003ch4 dir=\"auto\" bis_size='{\"x\":17,\"y\":294,\"w\":550,\"h\":19,\"abs_x\":626,\"abs_y\":556}'\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":17,\"y\":327,\"w\":550,\"h\":117,\"abs_x\":626,\"abs_y\":589}'\u003e\n\u003cli bis_size='{\"x\":57,\"y\":327,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":589}'\u003e10.6 CFM (300 L\/min) pumping speed\u003c\/li\u003e\n\u003cli bis_size='{\"x\":57,\"y\":347,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":609}'\u003eUltimate vacuum down to \u0026lt; 0.001 Torr\u003c\/li\u003e\n\u003cli bis_size='{\"x\":57,\"y\":366,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":628}'\u003e3-Phase Motor – 230V \/ 460V, 60Hz\u003c\/li\u003e\n\u003cli bis_size='{\"x\":57,\"y\":386,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":648}'\u003eLarge oil reservoir for cooler running and extended oil life\u003c\/li\u003e\n\u003cli bis_size='{\"x\":57,\"y\":406,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":668}'\u003eDurable DUOSEAL rotary vane design\u003c\/li\u003e\n\u003cli bis_size='{\"x\":57,\"y\":425,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":687}'\u003eEasy maintenance and service access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\" bis_size='{\"x\":17,\"y\":459,\"w\":550,\"h\":19,\"abs_x\":626,\"abs_y\":721}'\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":17,\"y\":492,\"w\":550,\"h\":97,\"abs_x\":626,\"abs_y\":754}'\u003e\n\u003cli bis_size='{\"x\":57,\"y\":492,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":754}'\u003eLaboratory vacuum systems\u003c\/li\u003e\n\u003cli bis_size='{\"x\":57,\"y\":512,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":774}'\u003eVacuum ovens and drying chambers\u003c\/li\u003e\n\u003cli bis_size='{\"x\":57,\"y\":532,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":794}'\u003eSchlenk lines and glove boxes\u003c\/li\u003e\n\u003cli bis_size='{\"x\":57,\"y\":551,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":813}'\u003eVacuum distillation\u003c\/li\u003e\n\u003cli bis_size='{\"x\":57,\"y\":571,\"w\":510,\"h\":19,\"abs_x\":666,\"abs_y\":833}'\u003eGeneral industrial vacuum needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":17,\"y\":604,\"w\":550,\"h\":19,\"abs_x\":626,\"abs_y\":866}'\u003eThe Welch 1376M-01 is a proven performer from the trusted DUOSEAL series.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":17,\"y\":640,\"w\":550,\"h\":19,\"abs_x\":626,\"abs_y\":902}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":640,\"w\":288,\"h\":19,\"abs_x\":626,\"abs_y\":902}'\u003eQuestions about voltage, wiring, or service?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":17,\"y\":676,\"w\":550,\"h\":19,\"abs_x\":626,\"abs_y\":938}'\u003eEmail \u003cstrong bis_size='{\"x\":53,\"y\":676,\"w\":177,\"h\":19,\"abs_x\":662,\"abs_y\":938}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":53,\"y\":676,\"w\":177,\"h\":19,\"abs_x\":662,\"abs_y\":938}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":276,\"y\":676,\"w\":100,\"h\":19,\"abs_x\":885,\"abs_y\":938}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":715,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":977}'\u003e\n\u003ctd width=\"198\" bis_size='{\"x\":15,\"y\":715,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":977}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":717,\"w\":105,\"h\":19,\"abs_x\":626,\"abs_y\":979}'\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":715,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":977}'\u003e3 qts DuoSeal oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":741,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1003}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":741,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":1003}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":743,\"w\":103,\"h\":19,\"abs_x\":626,\"abs_y\":1005}'\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":741,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":1003}'\u003e10.6 CFM (300 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":766,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1028}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":766,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":1028}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":768,\"w\":88,\"h\":19,\"abs_x\":626,\"abs_y\":1030}'\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":766,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":1028}'\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":792,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1054}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":792,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":1054}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":794,\"w\":78,\"h\":19,\"abs_x\":626,\"abs_y\":1056}'\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":792,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":1054}'\u003e2.5 qt(2.4 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":818,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1080}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":818,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":1080}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":820,\"w\":100,\"h\":19,\"abs_x\":626,\"abs_y\":1082}'\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":818,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":1080}'\u003e13\/16(21)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":843,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1105}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":843,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":1105}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":845,\"w\":159,\"h\":19,\"abs_x\":626,\"abs_y\":1107}'\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":843,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":1105}'\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":869,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1131}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":869,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":1131}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":871,\"w\":73,\"h\":19,\"abs_x\":626,\"abs_y\":1133}'\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":869,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":1131}'\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":894,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1156}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":894,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":1156}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":896,\"w\":127,\"h\":19,\"abs_x\":626,\"abs_y\":1158}'\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":894,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":1156}'\u003e20\"x14\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":920,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1182}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":920,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":1182}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":922,\"w\":47,\"h\":19,\"abs_x\":626,\"abs_y\":1184}'\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":920,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":1182}'\u003e156 lb (71 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":945,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1207}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":945,\"w\":202,\"h\":23,\"abs_x\":624,\"abs_y\":1207}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":947,\"w\":44,\"h\":19,\"abs_x\":626,\"abs_y\":1209}'\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":219,\"y\":945,\"w\":350,\"h\":23,\"abs_x\":828,\"abs_y\":1207}'\u003e3-Phase Motor 230V, 460V, 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136526492,"sku":"1376M-01","price":5580.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376m-01-duoseal-vacuum-pump-10-6-cfm-3-phase-230v-460v-15976726624.jpg?v=1779796019"},{"product_id":"welch-duoseal-unmounted-pump-1376n","title":"Welch DuoSeal Unmounted Pump 1376N","description":"\u003cp dir=\"auto\"\u003eWelch 1376N DUOSEAL Vacuum Pump – 10.6 CFM (Unmounted)\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1376N\u003c\/strong\u003e is a rugged belt-drive rotary vane vacuum pump designed for deep vacuum applications in laboratory and industrial settings. With a pumping speed of \u003cstrong\u003e10.6 CFM (300 L\/min)\u003c\/strong\u003e, it delivers reliable performance for processes requiring strong vacuum.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1376N is an unmounted pump and a component to a complete belt driven vacuum pump. The Welch DuoSeal Unmounted Pump 1376N requires a base, motor and belt to generate vacuum. This product can only be used as a drop-in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e10.6 CFM (300 L\/min) pumping speed\u003c\/li\u003e\n\u003cli\u003eUltimate vacuum down to 1 × 10⁻⁴ Torr\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for cooler running and extended oil life\u003c\/li\u003e\n\u003cli\u003eDurable DUOSEAL rotary vane design\u003c\/li\u003e\n\u003cli\u003eEasy maintenance and service access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying chambers\u003c\/li\u003e\n\u003cli\u003eSchlenk lines and glove boxes\u003c\/li\u003e\n\u003cli\u003eVacuum distillation\u003c\/li\u003e\n\u003cli\u003eGeneral industrial vacuum needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis unmounted version (Welch 1376N) is ideal for customers who already have a base, motor, and belt assembly or are building a custom vacuum system.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed a complete mounted pump, parts, or technical advice?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ctable width=\"604\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e10.6 CFM (300 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e0.001 torr\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e2.5 qt(2.4 l)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e13\/16(21)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust .\/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e1-20\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e525\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136542344,"sku":"1376N","price":5471.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-duoseal-unmounted-pump-1376n-15976857696.jpg?v=1779796194"},{"product_id":"welch-1376n-01-chemstar-vacuum-pump","title":"Welch 1376N-01 Chemstar Vacuum Pump","description":"\u003cp dir=\"auto\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":271}'\u003eWelch 1376N-01 ChemStar Vacuum Pump – 10.6 CFM \u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":45,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":307}'\u003eThe \u003cstrong bis_size='{\"x\":38,\"y\":45,\"w\":176,\"h\":19,\"abs_x\":647,\"abs_y\":307}'\u003eWelch 1376N-01 ChemStar\u003c\/strong\u003e is a specialized, chemically resistant vacuum pump designed for demanding applications involving corrosive vapors and harsh chemicals.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":100,\"w\":560,\"h\":58,\"abs_x\":621,\"abs_y\":362}'\u003eWelch 1376N-01 Chemstar Vacuum Pump has a Teflon lined oil case and additional chemically resistant parts, making the Chemstar pump the best choice for harsh process emissions where an oil sealed vacuum pump is necessary.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":175,\"w\":560,\"h\":97,\"abs_x\":621,\"abs_y\":437}'\u003eChemStar high vacuum pump Model 1376N provides versatile effectiveness for corrosive gas pumping or problematic drying operations. Use in pilot plant, scale-up operations, harsh chemical vessel evacuations, or light industrial operations throughout the laboratory. With ultimate vacuum \u0026lt;0.001 torr, and maximum 300 lpm flow, use Model 1376N for large vacuum ovens (\u0026gt; 9 ft³), freeze drying generating corrosive vapors, etc.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":289,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":551}'\u003eThis is the fully \u003cstrong bis_size='{\"x\":107,\"y\":289,\"w\":59,\"h\":19,\"abs_x\":716,\"abs_y\":551}'\u003emounted\u003c\/strong\u003e version, complete with base and motor for convenient installation.\u003c\/p\u003e\n\u003ch4 dir=\"auto\" bis_size='{\"x\":12,\"y\":344,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":606}'\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":377,\"w\":560,\"h\":117,\"abs_x\":621,\"abs_y\":639}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":377,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":639}'\u003eTeflon-lined oil case and chemically resistant internal parts\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":397,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":659}'\u003e10.6 CFM (300 L\/min) pumping speed\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":417,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":679}'\u003eUltimate vacuum down to \u0026lt; 0.001 Torr\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":436,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":698}'\u003eExcellent performance with corrosive and aggressive vapors\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":456,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":718}'\u003eDurable DUOSEAL rotary vane technology\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":475,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":737}'\u003eFully mounted with base and motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\" bis_size='{\"x\":12,\"y\":509,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":771}'\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":543,\"w\":560,\"h\":117,\"abs_x\":621,\"abs_y\":805}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":543,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":805}'\u003eCorrosive gas pumping\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":562,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":824}'\u003eFreeze drying with aggressive vapors\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":582,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":844}'\u003eLarge vacuum ovens (\u0026gt; 9 ft³)\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":601,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":863}'\u003ePilot plant and scale-up operations\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":621,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":883}'\u003eHarsh chemical vessel evacuations\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":641,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":903}'\u003eLight industrial processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":674,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":936}'\u003eThe Welch ChemStar series is built for reliability in tough chemical environments where standard vacuum pumps would fail prematurely.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":729,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":991}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":729,\"w\":348,\"h\":19,\"abs_x\":621,\"abs_y\":991}'\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":12,\"y\":749,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":1011}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":12,\"y\":749,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":1011}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":234,\"y\":749,\"w\":100,\"h\":19,\"abs_x\":843,\"abs_y\":1011}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":785,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":1047}'\u003e \u003c\/p\u003e\n\u003ctable width=\"321\" bis_size='{\"x\":12,\"y\":820,\"w\":560,\"h\":285,\"abs_x\":621,\"abs_y\":1082}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":823,\"w\":554,\"h\":279,\"abs_x\":624,\"abs_y\":1085}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":823,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1085}'\u003e\n\u003ctd width=\"167\" bis_size='{\"x\":15,\"y\":823,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1085}'\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"154\" bis_size='{\"x\":303,\"y\":823,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1085}'\u003e3 liters Gold oil, 8995G-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":849,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1111}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":849,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1111}'\u003eCommon accessory, not included\u003c\/td\u003e\n\u003ctd width=\"154\" bis_size='{\"x\":303,\"y\":849,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1111}'\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":874,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1136}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":874,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1136}'\u003ePumping Speed\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":303,\"y\":874,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1136}'\u003e10.6 CFM (300 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":900,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1162}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":900,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1162}'\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":303,\"y\":900,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1162}'\u003e0.0001 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":925,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1187}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":925,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1187}'\u003eOil Capacity\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":303,\"y\":925,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1187}'\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":951,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1213}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":951,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1213}'\u003eTubing Needed\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":303,\"y\":951,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1213}'\u003e13\/16\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":977,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1239}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":977,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1239}'\u003eExhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":303,\"y\":977,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1239}'\u003eNW 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":1002,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1264}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":1002,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1264}'\u003ePump RPM\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":303,\"y\":1002,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1264}'\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":1028,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1290}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":1028,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1290}'\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":303,\"y\":1028,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1290}'\u003e19.3\"x12.3\"x15.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":1053,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1315}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":1053,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1315}'\u003eWeight\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":303,\"y\":1053,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1315}'\u003e156 lb (71 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":1079,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":1341}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":1079,\"w\":286,\"h\":23,\"abs_x\":624,\"abs_y\":1341}'\u003eWiring\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":303,\"y\":1079,\"w\":265,\"h\":23,\"abs_x\":912,\"abs_y\":1341}'\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136551888,"sku":"1376N-01","price":6063.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376n-01-chemstar-vacuum-pump-25489887166613.jpg?v=1779796779"},{"product_id":"welch-1376n-60-chemstar-vacuum-pump","title":"Welch 1376N-60 Chemstar Vacuum Pump","description":"\u003cp\u003eThe Welch 1376N-60 Chemstar Vacuum Pump have a Teflon lined oil case and additional chemically resistant parts, making the Chemstar pump the best choice for harsh process emissions where an oil sealed vacuum pump is necessary.                                         \u003c\/p\u003e\n\u003cp\u003eChemStar high vacuum pump Model 1376N provides versatile effectiveness for corrosive gas pumping or problematic drying operations. Use in pilot plant, scale-up operations, harsh chemical vessel evacuations, or light industrial operations. throughout the laboratory. With ultimate vacuum \u0026lt;0.001 torr, and maximum 300 lpm flow, use Model 1376N for large vacuum ovens (\u0026gt; 9 ft\u003csup\u003e3\u003c\/sup\u003e), freeze drying generating corrosive vapors, etc.\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eNeed technical advice or compatibility confirmation? Email support@chemtechsci.com or call (484) 424-9415.\u003c\/p\u003e\n\u003ctable width=\"517\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"288\"\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e3 liters Gold oil, 8995G-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon accessory, not included\u003c\/td\u003e\n\u003ctd width=\"229\"\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePumping Speed\u003c\/td\u003e\n\u003ctd\u003e10.6 CFM (300 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd\u003e0.001 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil Capacity\u003c\/td\u003e\n\u003ctd\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing Needed\u003c\/td\u003e\n\u003ctd\u003e13\/16\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd\u003eNW 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump RPM\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd\u003e19.3\"x12.3\"x15.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e156 lb (71 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003e230V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136563684,"sku":"1376N-60","price":6195.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376n-60-chemstar-vacuum-pump-15976923232.jpg?v=1779796179"},{"product_id":"welch-1397-duoseal-unmounted-pump","title":"Welch 1397 DuoSeal Unmounted Pump","description":"\u003cp dir=\"auto\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":-29}'\u003eWelch 1397 DUOSEAL Vacuum Pump – 23 CFM (Unmounted)\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":45,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":7}'\u003eThe \u003cstrong bis_size='{\"x\":38,\"y\":45,\"w\":143,\"h\":19,\"abs_x\":647,\"abs_y\":7}'\u003eWelch 1397 DUOSEAL\u003c\/strong\u003e is a high-capacity, belt-drive rotary vane vacuum pump designed for applications requiring strong pumping speed and deep vacuum. With \u003cstrong bis_size='{\"x\":12,\"y\":64,\"w\":534,\"h\":38,\"abs_x\":621,\"abs_y\":26}'\u003e23 CFM (650 L\/min)\u003c\/strong\u003e free air displacement, it is well-suited for large laboratory systems, industrial processes, and pilot plant operations.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":139,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":101}'\u003eWelch DuoSeal 1397 is an unmounted pump and a component to a complete belt driven vacuum pump. The Welch DuoSeal Unmounted Pump 1397 requires a base, motor and belt to generate vacuum. This product can only be used as a drop-in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003ch4 dir=\"auto\" bis_size='{\"x\":12,\"y\":233,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":195}'\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":267,\"w\":560,\"h\":97,\"abs_x\":621,\"abs_y\":229}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":267,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":229}'\u003e23 CFM (650 L\/min) pumping speed\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":287,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":249}'\u003eUltimate vacuum down to 1 × 10⁻⁴ Torr\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":306,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":268}'\u003eLarge oil reservoir for cooler operation and extended oil life\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":326,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":288}'\u003eDurable DUOSEAL rotary vane design\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":345,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":307}'\u003eEasy maintenance and service access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\" bis_size='{\"x\":12,\"y\":379,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":341}'\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":413,\"w\":560,\"h\":97,\"abs_x\":621,\"abs_y\":375}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":413,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":375}'\u003eLarge vacuum ovens and drying chambers\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":432,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":394}'\u003ePilot plant and scale-up operations\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":452,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":414}'\u003eIndustrial vacuum processes\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":471,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":433}'\u003eVacuum distillation\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":491,\"w\":520,\"h\":19,\"abs_x\":661,\"abs_y\":453}'\u003eLaboratory systems requiring high flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":525,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":487}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":525,\"w\":348,\"h\":19,\"abs_x\":621,\"abs_y\":487}'\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":12,\"y\":544,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":506}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":12,\"y\":544,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":506}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":234,\"y\":544,\"w\":100,\"h\":19,\"abs_x\":843,\"abs_y\":506}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":580,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":542}'\u003e \u003c\/p\u003e\n\u003ctable width=\"604\" bis_size='{\"x\":12,\"y\":615,\"w\":560,\"h\":253,\"abs_x\":621,\"abs_y\":577}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":618,\"w\":554,\"h\":247,\"abs_x\":624,\"abs_y\":580}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":618,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":580}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":618,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":580}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":620,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":582}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":620,\"w\":103,\"h\":19,\"abs_x\":626,\"abs_y\":582}'\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":618,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":580}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":620,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":582}'\u003e17.7 CFM (500 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":660,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":622}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":660,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":622}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":662,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":624}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":662,\"w\":88,\"h\":19,\"abs_x\":626,\"abs_y\":624}'\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":660,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":622}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":662,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":624}'\u003e0.001 torr\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":702,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":664}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":702,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":664}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":704,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":666}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":704,\"w\":78,\"h\":19,\"abs_x\":626,\"abs_y\":666}'\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":702,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":664}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":704,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":666}'\u003e1.25 qt(1.2 l)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":743,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":705}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":743,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":705}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":745,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":707}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":745,\"w\":100,\"h\":19,\"abs_x\":626,\"abs_y\":707}'\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":743,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":705}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":745,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":707}'\u003e1-5\/8(41)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":785,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":747}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":785,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":747}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":787,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":749}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":787,\"w\":159,\"h\":19,\"abs_x\":626,\"abs_y\":749}'\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":785,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":747}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":787,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":749}'\u003e1.75-20\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":826,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":788}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":826,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":788}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":828,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":790}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":828,\"w\":73,\"h\":19,\"abs_x\":626,\"abs_y\":790}'\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":826,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":788}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":828,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":790}'\u003e400\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136566756,"sku":"1397","price":6371.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1397-duoseal-unmounted-pump-25489786601621.jpg?v=1779795925"},{"product_id":"welch-1397b-01-duoseal-vacuum-pump","title":"Welch 1397B-01 DuoSeal Vacuum Pump","description":"\u003ctable width=\"531\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"531\"\u003e\n\u003cp\u003eThe Welch 1397B-01 DuoSeal vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1397B-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 500 liters\/min (17.7 CFM).\u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this DUOSEAL vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty.\u003c\/p\u003e\n\u003cp\u003ePlease consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"229\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 qts DuoSeal vacuum pump oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.7 CFM (500 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 qt(1.2 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-5\/8(41)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26\"x13.7\"x18.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e205 lb (93 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136569036,"sku":"1397B-01","price":6942.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1397b-01-duoseal-vacuum-pump-25489767104661.jpg?v=1779796175"},{"product_id":"welch-1397b-46-duoseal-pump-for-refrigeration","title":"Welch 1397B-46 Duoseal Pump for Refrigeration","description":"\u003cdiv class=\"clearfix lga-all md-all sm-all\"\u003e\n\u003cp\u003eWelch 1397B-46 Refrigeration Vacuum Pump is Rugged DuoSeal belt-drive vacuum pumps enable fast, thorough evacuation of refrigeration systems. Features high flow and deep vacuum with low pump RPM and large oil reservoirs for extended life and reduced maintenance. Includes handles for enable positioning.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeep vacuum for fast evacuation and dehydration\u003c\/li\u003e\n\u003cli\u003eDurable pump, precision machined\u003c\/li\u003e\n\u003cli\u003eGas ballast for high vapor loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan class=\"st\"\u003e\u003cstrong\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"st\"\u003e\u003ca title=\"Owners Manual Welch 1397B-46 Refrigeration Services Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/OWNER_S_MANUAL_Refrigeration_1397.pdf?v=1584385279\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eOwner's Manual Welch 1397B-46 Refrigeration Services Vacuum Pump\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"832\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eApplications\u003c\/td\u003e\n\u003ctd width=\"564\"\u003eService Lithium Bromide absorption chillers to 1500 tons, fluorcarbon or ammonia chillers to 1000 tons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eType\u003c\/td\u003e\n\u003ctd width=\"564\"\u003eDUOSEAL Two Stage - Refrigeration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eFree Air Displacement m3\/hr (l\/min.) @50Hz\u003c\/td\u003e\n\u003ctd width=\"564\"\u003e17.7(500 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eUltimate Pressure\u003c\/td\u003e\n\u003ctd width=\"564\"\u003e0.001 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eMaximum Vacuum\u003c\/td\u003e\n\u003ctd width=\"564\"\u003e1 x 10-4 (1.3 x 10-4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eOil Capacity, qt.(liters)\u003c\/td\u003e\n\u003ctd width=\"564\"\u003e1.25(1.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eMotor Horsepower (watts)\u003c\/td\u003e\n\u003ctd width=\"564\"\u003e1(750)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eAdjustable Vac. \/ Gas Ballast\u003c\/td\u003e\n\u003ctd width=\"564\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd width=\"564\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eIntake Thread NPT\u003c\/td\u003e\n\u003ctd width=\"564\"\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eExhaust, Thread Type\u003c\/td\u003e\n\u003ctd width=\"564\"\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eOverall Dimensions LxWxH in. (cm)\u003c\/td\u003e\n\u003ctd width=\"564\"\u003e26x13.7x18.8 (66x34.8x47.6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"268\"\u003eShip Weight, lbs. (kg)\u003c\/td\u003e\n\u003ctd width=\"564\"\u003e\n\u003cp\u003e213(96.8)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136570096,"sku":"1397B-46","price":7294.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1397b-46-duoseal-pump-for-refrigeration-15977054304.jpg?v=1779796181"},{"product_id":"welch-1397c-03-vacuum-pump-high-performance","title":"Welch 1397C-03 Vacuum Pump - High Performance","description":"\u003ctable width=\"531\" bis_size='{\"x\":12,\"y\":9,\"w\":575,\"h\":513,\"abs_x\":621,\"abs_y\":271}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":12,\"w\":569,\"h\":507,\"abs_x\":624,\"abs_y\":274}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":12,\"w\":569,\"h\":251,\"abs_x\":624,\"abs_y\":274}'\u003e\n\u003ctd colspan=\"2\" width=\"531\" bis_size='{\"x\":15,\"y\":12,\"w\":569,\"h\":251,\"abs_x\":624,\"abs_y\":274}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":14,\"w\":565,\"h\":176,\"abs_x\":626,\"abs_y\":276}'\u003eThe Welch 1397C-03 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1397C-03 achieves \u0026lt; 0.001 Torr with a pumping speed of 500 liters\/min (17.7 CFM).\u003cbr bis_size='{\"x\":174,\"y\":53,\"w\":0,\"h\":19,\"abs_x\":783,\"abs_y\":315}'\u003e\u003cbr bis_size='{\"x\":17,\"y\":73,\"w\":0,\"h\":19,\"abs_x\":626,\"abs_y\":335}'\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":17,\"y\":206,\"w\":565,\"h\":39,\"abs_x\":626,\"abs_y\":468}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":206,\"w\":348,\"h\":19,\"abs_x\":626,\"abs_y\":468}'\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":17,\"y\":226,\"w\":177,\"h\":19,\"abs_x\":626,\"abs_y\":488}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":17,\"y\":226,\"w\":177,\"h\":19,\"abs_x\":626,\"abs_y\":488}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":239,\"y\":226,\"w\":100,\"h\":19,\"abs_x\":848,\"abs_y\":488}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":266,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":528}'\u003e\n\u003ctd width=\"229\" bis_size='{\"x\":15,\"y\":266,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":528}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":268,\"w\":105,\"h\":19,\"abs_x\":626,\"abs_y\":530}'\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":266,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":528}'\u003e2 qts DuoSeal oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":291,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":553}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":291,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":553}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":293,\"w\":103,\"h\":19,\"abs_x\":626,\"abs_y\":555}'\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":291,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":553}'\u003e17.7 CFM (500 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":317,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":579}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":317,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":579}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":319,\"w\":88,\"h\":19,\"abs_x\":626,\"abs_y\":581}'\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":317,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":579}'\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":342,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":604}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":342,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":604}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":344,\"w\":78,\"h\":19,\"abs_x\":626,\"abs_y\":606}'\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":342,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":604}'\u003e1.25 qt(1.2 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":368,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":630}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":368,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":630}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":370,\"w\":100,\"h\":19,\"abs_x\":626,\"abs_y\":632}'\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":368,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":630}'\u003e1-5\/8(41)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":394,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":656}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":394,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":656}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":396,\"w\":159,\"h\":19,\"abs_x\":626,\"abs_y\":658}'\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":394,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":656}'\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":419,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":681}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":419,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":681}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":421,\"w\":73,\"h\":19,\"abs_x\":626,\"abs_y\":683}'\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":419,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":681}'\u003e400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":445,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":707}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":445,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":707}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":447,\"w\":147,\"h\":19,\"abs_x\":626,\"abs_y\":709}'\u003eDimensions LxWxH in.\u003cbr bis_size='{\"x\":164,\"y\":447,\"w\":0,\"h\":19,\"abs_x\":773,\"abs_y\":709}'\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":445,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":707}'\u003e26\"x13.7\"x18.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":470,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":732}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":470,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":732}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":472,\"w\":47,\"h\":19,\"abs_x\":626,\"abs_y\":734}'\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":470,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":732}'\u003e205 lb (93 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":496,\"w\":569,\"h\":23,\"abs_x\":624,\"abs_y\":758}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":496,\"w\":233,\"h\":23,\"abs_x\":624,\"abs_y\":758}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":498,\"w\":44,\"h\":19,\"abs_x\":626,\"abs_y\":760}'\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":250,\"y\":496,\"w\":334,\"h\":23,\"abs_x\":859,\"abs_y\":758}'\u003e220V, 50 HZ w\/Cont. Euro. (Schuko) Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136572740,"sku":"1397C-03","price":7294.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1397c-03-vacuum-pump-high-performance-15977087072.jpg?v=1779793954"},{"product_id":"welch-1397m-01-duoseal-vacuum-pump-ultimate-pumping-performance","title":"Welch 1397M-01 Duoseal Vacuum Pump - Ultimate Pumping Performance","description":"\u003cp\u003eThe Welch 1397M-01 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1397B-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 500 liters\/min (17.7 CFM). \u003c\/p\u003e\n\u003cp\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003ctable width=\"363\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e2 qts DuoSeal oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePumping Speed\u003c\/td\u003e\n\u003ctd\u003e17.7 CFM (500 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil Capacity\u003c\/td\u003e\n\u003ctd\u003e1.25 qt(1.2 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing Needed\u003c\/td\u003e\n\u003ctd\u003e1-5\/8(41)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump RPM\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd\u003e26\"x13.7\"x18.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e205 lb (93 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003e3-Phase Motor 230V, 460V, 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136572964,"sku":"1397M-01","price":7382.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1397m-01-duoseal-vacuum-pump-ultimate-pumping-performance-15977119840.jpg?v=1779795249"},{"product_id":"welch-1399-duoseal-unmounted-pump","title":"Welch 1399 DuoSeal Unmounted Pump","description":"\u003cp dir=\"auto\" bis_size='{\"x\":12,\"y\":9,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":-29}'\u003eWelch 1399 DUOSEAL Vacuum Pump – 5.6 CFM (Unmounted)\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":45,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":7}'\u003eThe \u003cstrong bis_size='{\"x\":38,\"y\":45,\"w\":143,\"h\":19,\"abs_x\":647,\"abs_y\":7}'\u003eWelch 1399 DUOSEAL\u003c\/strong\u003e is a compact yet powerful belt-drive rotary vane vacuum pump, ideal for laboratory and light industrial applications requiring reliable deep vacuum.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":100,\"w\":575,\"h\":78,\"abs_x\":621,\"abs_y\":62}'\u003eWelch DuoSeal 1399 is an unmounted pump and a component to a complete belt driven vacuum pump. The Welch DuoSeal Unmounted Pump 1399 requires a base, motor and belt to generate vacuum. This product can only be used as a drop-in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003ch4 dir=\"auto\" bis_size='{\"x\":12,\"y\":194,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":156}'\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":228,\"w\":575,\"h\":97,\"abs_x\":621,\"abs_y\":190}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":228,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":190}'\u003e5.6 CFM (160 L\/min) pumping speed\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":247,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":209}'\u003eUltimate vacuum down to 1 × 10⁻⁴ Torr\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":267,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":229}'\u003eLarge oil reservoir for extended life and cooler operation\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":287,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":249}'\u003eDurable DUOSEAL rotary vane technology\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":306,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":268}'\u003eEasy maintenance and service access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\" bis_size='{\"x\":12,\"y\":340,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":302}'\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\" bis_size='{\"x\":12,\"y\":373,\"w\":575,\"h\":97,\"abs_x\":621,\"abs_y\":335}'\u003e\n\u003cli bis_size='{\"x\":52,\"y\":373,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":335}'\u003eLaboratory vacuum systems\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":393,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":355}'\u003eVacuum ovens and drying\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":413,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":375}'\u003eSchlenk lines and glove boxes\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":432,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":394}'\u003eSmall vacuum distillation setups\u003c\/li\u003e\n\u003cli bis_size='{\"x\":52,\"y\":452,\"w\":535,\"h\":19,\"abs_x\":661,\"abs_y\":414}'\u003eLight industrial processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":485,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":447}'\u003eThis unmounted version (Welch 1399) is perfect for custom vacuum systems or as a replacement pump head.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\" bis_size='{\"x\":12,\"y\":541,\"w\":575,\"h\":39,\"abs_x\":621,\"abs_y\":503}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":541,\"w\":348,\"h\":19,\"abs_x\":621,\"abs_y\":503}'\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":400,\"y\":541,\"w\":177,\"h\":19,\"abs_x\":1009,\"abs_y\":503}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":400,\"y\":541,\"w\":177,\"h\":19,\"abs_x\":1009,\"abs_y\":503}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":53,\"y\":560,\"w\":100,\"h\":19,\"abs_x\":662,\"abs_y\":522}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":596,\"w\":575,\"h\":19,\"abs_x\":621,\"abs_y\":558}'\u003e \u003c\/p\u003e\n\u003ctable width=\"604\" bis_size='{\"x\":12,\"y\":631,\"w\":575,\"h\":253,\"abs_x\":621,\"abs_y\":593}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":634,\"w\":569,\"h\":247,\"abs_x\":624,\"abs_y\":596}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":634,\"w\":569,\"h\":39,\"abs_x\":624,\"abs_y\":596}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":634,\"w\":302,\"h\":39,\"abs_x\":624,\"abs_y\":596}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":636,\"w\":298,\"h\":19,\"abs_x\":626,\"abs_y\":598}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":636,\"w\":103,\"h\":19,\"abs_x\":626,\"abs_y\":598}'\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":319,\"y\":634,\"w\":264,\"h\":39,\"abs_x\":928,\"abs_y\":596}'\u003e\n\u003cp bis_size='{\"x\":321,\"y\":636,\"w\":260,\"h\":19,\"abs_x\":930,\"abs_y\":598}'\u003e1.2 CFM (35 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":676,\"w\":569,\"h\":39,\"abs_x\":624,\"abs_y\":638}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":676,\"w\":302,\"h\":39,\"abs_x\":624,\"abs_y\":638}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":678,\"w\":298,\"h\":19,\"abs_x\":626,\"abs_y\":640}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":678,\"w\":88,\"h\":19,\"abs_x\":626,\"abs_y\":640}'\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":319,\"y\":676,\"w\":264,\"h\":39,\"abs_x\":928,\"abs_y\":638}'\u003e\n\u003cp bis_size='{\"x\":321,\"y\":678,\"w\":260,\"h\":19,\"abs_x\":930,\"abs_y\":640}'\u003e0.030 torr\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":718,\"w\":569,\"h\":39,\"abs_x\":624,\"abs_y\":680}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":718,\"w\":302,\"h\":39,\"abs_x\":624,\"abs_y\":680}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":720,\"w\":298,\"h\":19,\"abs_x\":626,\"abs_y\":682}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":720,\"w\":78,\"h\":19,\"abs_x\":626,\"abs_y\":682}'\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":319,\"y\":718,\"w\":264,\"h\":39,\"abs_x\":928,\"abs_y\":680}'\u003e\n\u003cp bis_size='{\"x\":321,\"y\":720,\"w\":260,\"h\":19,\"abs_x\":930,\"abs_y\":682}'\u003e0.5 qt(0.47 l)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":759,\"w\":569,\"h\":39,\"abs_x\":624,\"abs_y\":721}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":759,\"w\":302,\"h\":39,\"abs_x\":624,\"abs_y\":721}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":761,\"w\":298,\"h\":19,\"abs_x\":626,\"abs_y\":723}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":761,\"w\":100,\"h\":19,\"abs_x\":626,\"abs_y\":723}'\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":319,\"y\":759,\"w\":264,\"h\":39,\"abs_x\":928,\"abs_y\":721}'\u003e\n\u003cp bis_size='{\"x\":321,\"y\":761,\"w\":260,\"h\":19,\"abs_x\":930,\"abs_y\":723}'\u003e7\/16(11)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":801,\"w\":569,\"h\":39,\"abs_x\":624,\"abs_y\":763}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":801,\"w\":302,\"h\":39,\"abs_x\":624,\"abs_y\":763}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":803,\"w\":298,\"h\":19,\"abs_x\":626,\"abs_y\":765}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":803,\"w\":159,\"h\":19,\"abs_x\":626,\"abs_y\":765}'\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":319,\"y\":801,\"w\":264,\"h\":39,\"abs_x\":928,\"abs_y\":763}'\u003e\n\u003cp bis_size='{\"x\":321,\"y\":803,\"w\":260,\"h\":19,\"abs_x\":930,\"abs_y\":765}'\u003e3\/4-20\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":842,\"w\":569,\"h\":39,\"abs_x\":624,\"abs_y\":804}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":842,\"w\":302,\"h\":39,\"abs_x\":624,\"abs_y\":804}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":844,\"w\":298,\"h\":19,\"abs_x\":626,\"abs_y\":806}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":844,\"w\":73,\"h\":19,\"abs_x\":626,\"abs_y\":806}'\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":319,\"y\":842,\"w\":264,\"h\":39,\"abs_x\":928,\"abs_y\":804}'\u003e\n\u003cp bis_size='{\"x\":321,\"y\":844,\"w\":260,\"h\":19,\"abs_x\":930,\"abs_y\":806}'\u003e750\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136573408,"sku":"1399","price":1824.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1399-duoseal-unmounted-pump-25489757077653.jpg?v=1779795251"},{"product_id":"welch-1399b-01-single-stage-duoseal-vacuum-pump","title":"Welch 1399B-01 Single Stage Duoseal Vacuum Pump","description":"\u003ctable width=\"569\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 540.05px;\" colspan=\"2\" width=\"569\"\u003e\n\u003cp dir=\"auto\"\u003eWelch 1399B-01 Single Stage Duoseak Vacuum Pump – 1.2 CFM \u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1399B-01 Single stage vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 30 Torr. The Welch 1399B-01 achieves \u0026lt; 0.030 Torr with a pumping speed of 35 liters\/min (1.2 CFM).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eSingle stage, oil sealed vacuum pumps should not be operated continuously at pressures above 30 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003ePlease consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 30 Torr.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis is the fully mounted version, complete with base and motor, making it ready for immediate installation and use.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e1.2 CFM (35 L\/min) pumping speed\u003c\/li\u003e\n\u003cli\u003eUltimate vacuum down to \u0026lt; 0.030 Torr\u003c\/li\u003e\n\u003cli\u003eSingle-stage rotary vane design\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for cooler operation and longer oil life\u003c\/li\u003e\n\u003cli\u003eDurable DUOSEAL construction\u003c\/li\u003e\n\u003cli\u003eEasy maintenance access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems requiring moderate vacuum\u003c\/li\u003e\n\u003cli\u003eVacuum filtration\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying (moderate vacuum needs)\u003c\/li\u003e\n\u003cli\u003eDegassing\u003c\/li\u003e\n\u003cli\u003eLight industrial processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1399B-01 is a reliable single-stage pump from the trusted DUOSEAL series, ideal for applications where deep vacuum is not required.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed technical advice or service?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e1.2 CFM (35 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e0.030 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eVacuum Pump Oil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e0.5 qt(0.47 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e7\/16(11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e17\"x9\"x10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e51 lb (23 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136574600,"sku":"1399B-01","price":2197.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1399b-01-single-stage-duoseal-vacuum-pump-25489740693653.jpg?v=1779796647"},{"product_id":"welch-1399c-02-single-stage-vacuum-pump","title":"Welch 1399C-02 Single Stage Vacuum Pump","description":"\u003ctable style=\"height: 923.317px;\" width=\"569\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 746.917px;\"\u003e\n\u003ctd style=\"height: 746.917px;\" colspan=\"2\" width=\"569\"\u003e\n\u003cp dir=\"auto\"\u003eWelch 1399C-02 Single Stage Vacuum Pump – 1.2 CFM \u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1399C-02 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 30 Torr. The 1399C-02 achieves \u0026lt; 0.030 Torr with a pumping speed of 35 liters\/min (1.2 CFM).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eSingle stage, oil sealed vacuum pumps should not be operated continuously at pressures above 30 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 30 Torr.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis is the fully mounted version, complete with base and motor, ready for immediate use.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e1.2 CFM (35 L\/min) pumping speed\u003c\/li\u003e\n\u003cli\u003eUltimate vacuum down to \u0026lt; 0.030 Torr\u003c\/li\u003e\n\u003cli\u003eSingle-stage rotary vane design\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for cooler operation and longer oil life\u003c\/li\u003e\n\u003cli\u003eDurable DUOSEAL construction\u003c\/li\u003e\n\u003cli\u003eEasy maintenance access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems requiring moderate vacuum\u003c\/li\u003e\n\u003cli\u003eVacuum filtration\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying (moderate vacuum needs)\u003c\/li\u003e\n\u003cli\u003eDegassing\u003c\/li\u003e\n\u003cli\u003eLight industrial processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1399C-02 is a reliable single-stage pump from the trusted DUOSEAL series, ideal for applications where deep vacuum is not required but chemical resistance is important.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed technical advice or service?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e1.2 CFM (35 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e0.030 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e0.5 qt(0.47 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e7\/16(11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e17\"x9\"x10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e51 lb (23 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e220V, 50 HZ w\/Cont. Euro. (Schuko) Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136580520,"sku":"1399C-02","price":2351.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1399c-02-single-stage-vacuum-pump-28831659229333.jpg?v=1779795249"},{"product_id":"welch-1399n-01-chemstar-vacuum-pump","title":"Welch 1399N-01, ChemStar Vacuum Pump","description":"\u003ctable width=\"775\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"635\"\u003e\n\u003cp\u003eThe Welch 1399N-01 ChemStar Vacuum Pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 30 Torr. The 1399N-01 achieves \u0026lt; 0.030 Torr with a pumping speed of 35 liters\/min (1.2 CFM).\u003cbr\u003e\u003cbr\u003eSingle stage, oil sealed vacuum pumps should not be operated continuously at pressures above 30Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 30 Torr.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2 CFM (35 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.030 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 qt(0.47 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16(11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17\"x9\"x10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e63 lb (28.6 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136581496,"sku":"1399N-01","price":3010.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1399n-01-chemstar-vacuum-pump-15977283680.jpg?v=1779796020"},{"product_id":"welch-1400-duoseal-unmounted-pump","title":"Welch 1400 DuoSeal Unmounted Pump","description":"\u003cp\u003eThe Welch 1400 DuoSeal Unmounted Vacuum Pump is the bare pump head designed for custom installations or as a drop-in replacement. This compact two-stage rotary vane belt-drive pump delivers 0.9 CFM (25 L\/min) free air displacement and an ultimate vacuum of 1×10⁻⁴ Torr. Its slow 580 RPM operation runs cooler, reduces wear, and extends oil life dramatically compared to direct-drive pumps. Ideal for Schlenk lines, small freeze dryers, degassing, and laboratory vacuum systems. Large oil reservoir helps dilute contaminants.\u003c\/p\u003e\n\u003cp\u003eNote: Motor, base, belt, and pulley sold separately. For a complete turnkey unit, see the \u003ca rel=\"noopener\" title=\"Welch 1400B-01 Duoseal Vacuum Pump\" href=\"https:\/\/www.chemtechsci.com\/products\/welch-1400b-01-duoseal-vacuum-pump?_pos=1\u0026amp;_sid=6331afef9\u0026amp;_ss=r\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e1400B-01\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca rel=\"noopener noreferrer nofollow\" href=\"mailto:support@chemtechsci.com\" target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ctable width=\"604\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e0.9 CFM (25 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e0.001 torr\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e0.62 qt(0.59 l)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e7\/16\"(11 mm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e3\/4-20\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e580\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136582576,"sku":"1400","price":2153.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400-duoseal-unmounted-pump-15977316448.jpg?v=1779793930"},{"product_id":"welch-1400b-01-duoseal-belt-drive-vacuum-pump-115v","title":"Welch 1400B-01 DUOSEAL Belt Drive Vacuum Pump 115V","description":"\u003ctable width=\"627\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"627\" colspan=\"2\"\u003e\n\u003cp\u003eWelch 1400B-01 DuoSeal Vacuum Pump (115V 60Hz 1PH) is a ready-to-run, complete belt-drive rotary vane pump. It offers 0.9 CFM pumping speed and reaches 1×10⁻⁴ Torr ultimate vacuum. Perfect for small lab applications including Schlenk lines, vacuum ovens, freeze drying, and degassing. The legendary belt-drive system lowers RPM for cooler, quieter operation and exceptional longevity. Comes with initial fill of DuoSeal oil.\u003c\/p\u003e\n\u003cp\u003eThe Welch 1400B-01 DuoSeal Vacuum Pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The Welch vacuum pump 1400B-01 achieves \u0026lt; 0.0001 Torr with a pumping speed of 25 liters\/min (0.9 CFM).\u003c\/p\u003e\n\u003cp\u003eRugged oil-seal pumps for a wide variety of vacuum needs, including\u003cbr\u003eSchlenk drying lines, freeze drying, degassing, concentrations, distillations,\u003cbr\u003eand more. Pulley drive enables low pump rpm operation – reduces friction,\u003cbr\u003eoil temperature, and oil degradation. Large oil reservoir minimizes\u003cbr\u003econtamination effects and extends maintenance intervals. Use of a cold\u003cbr\u003etrap is recommended to protect the pump and enhance vacuum levels.\u003c\/p\u003e\n\u003cp\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this DUOSEAL pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welh_1400B-01_CS_Flyer.png?v=1779308044\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003e1 qt DuoSeal vacuum pump oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003eExhaust filter 1417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.9 CFM (25 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.62 qt(0.59 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.8\"x9\"x12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 lb (31.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003e \u003c\/p\u003e\n\u003ch4 style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003e\u003cstrong\u003eQ: What is the pumping speed of the Welch 1400B-01?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eA: The Welch 1400B-01 has a pumping speed of 0.9 CFM (25 L\/min).\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003e\u003cstrong\u003eQ: How often should I change the oil?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eA: We recommend changing the oil every 3,000–4,000 hours of operation or every 6 months, whichever comes first.\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003e\u003cstrong\u003eQ: Do you offer repair services and parts for this pump?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eA: Yes. We have genuine Welch repair kits and provide full rebuild services for the 1400 series.\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003e\u003cstrong\u003eQ: Does this pump come fully mounted? \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eA: Yes, the 1400B-01 is a fully mounted pump, complete with base and motor.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eQ: Where can I find the Owner’s Manual for the Welch 1400B-01?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eA: The official Welch DUOSEAL Operation and Maintenance Manual for the 1400 series is available for download on our website, \u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/OWNER_S_MANUAL_1400B-01.pdf?v=1592759421\" title=\"Welch 1400B-01 DuoSeal Vacuum Pump\" target=\"_blank\"\u003eWelch 1400B-01 Owner's Manual.pdf\u003c\/a\u003e\u003c\/strong\u003e . It includes detailed setup instructions, oil change procedures, troubleshooting, and safety guidelines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur \u003ca rel=\"noopener\" href=\"https:\/\/www.chemtechsci.com\/blogs\/news\" title=\"Chemtech Scientific Blog\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBlog\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136583548,"sku":"1400B-01","price":2526.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400b-01-duoseal-belt-drive-vacuum-pump-115v-25489703272597.jpg?v=1779794271"},{"product_id":"welch-1400b-01f-fomblin-prepared-duoseal-vacuum-pump-115v","title":"Welch 1400B-01F Fomblin Prepared DuoSeal Vacuum Pump 115V","description":"\u003cp\u003e\u003cstrong\u003eWelch 1400B-01F Fomblin-prepared DuoSeal vacuum pump is specially configured for aggressive chemical vapors. Fomblin oil compatibility makes it ideal for corrosive applications while retaining the legendary durability of the 1400 series (0.9 CFM, 1×10⁻⁴ Torr).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eF\u003c\/strong\u003e\u003cstrong\u003eomblin lubricants posses the following exceptional properties:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"748\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"319\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eLow vapor pressure\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eChemical inertness\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh thermal stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGood lubricating properties\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNo flash or fire point\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow toxicity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExcellent compatibility with metals, plastics, elastomers\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd width=\"319\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eGood aqueous and non-aqueous solvent resistance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh dielectric properties\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow surface tension\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGood radiation stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEnvironmentally acceptable\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFomblin prepared vacuum pumps provide service in processes when hydrocarbon oil are not desired or are a hazard. Fomblin prepared vacuum pumps are a good choice for O2 service, extreme temperature and\/or aggressive gasses in processes.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eFomblin prepared vacuum pumps require charge of fomblin, not shipped with vacuum pump.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"627\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.9 CFM (25 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.62 qt(0.59 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.8\"x9\"x12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 lb (31.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136584396,"sku":"1400B-01F","price":3230.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400b-01f-fomblin-prepared-duoseal-vacuum-pump-115v-15977381984.jpg?v=1779794274"},{"product_id":"welch-1400c-01-vacuum-pump","title":"Welch 1400C-01, Vacuum Pump","description":"\u003ctable width=\"627\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"627\"\u003e\n\u003cp\u003eThe Welch 1400C-01 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1400C-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 25 liters\/min (0.9 CFM).\u003cbr\u003e \u003cbr\u003e Two stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003e1 qt DuoSeal oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003eExhaust filter 1417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.9 CFM (25 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.62 qt(0.59 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.8\"x9\"x12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 lb (31.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136586016,"sku":"1400C-01","price":2680.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400c-01-vacuum-pump-25489695408277.jpg?v=1779795256"},{"product_id":"welch-1400c-02-vacuum-pump","title":"Welch 1400C-02, Vacuum Pump","description":"\u003ctable width=\"627\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"627\"\u003e\n\u003cp\u003eThe Welch 1400C-02 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1400C-02 achieves \u0026lt; 0.001 Torr with a pumping speed of 25 liters\/min (0.9 CFM).\u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_1400C-02_CS_Flyer.png?v=1779306959\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003e1 qt DuoSeal oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003eExhaust filter 1417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.9 CFM (25 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.62 qt(0.59 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.8\"x9\"x12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 lb (31.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230V, 50 hz w\/Cont. Euro (Schuko) Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136586708,"sku":"1400C-02","price":2702.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400c-02-vacuum-pump-15977447520.jpg?v=1779797044"},{"product_id":"welch-1400n-chemstar-unmounted-vacuum-pump","title":"Welch 1400N ChemStar Unmounted Vacuum Pump","description":"\u003cp\u003eWelch 1400N ChemStar unmounted pump – chemical-resistant version of the popular 1400 series. Designed for harsh vapors with Welch Gold Oil compatibility.\u003c\/p\u003e\n\u003cp\u003eWelch 1400N ChemStar is an unmounted pump and a component to a complete belt driven vacuum pump. The Welch DuoSeal Unmounted Pump 1400N requires a base, motor and belt to generate vacuum. This product can only be used as a drop-in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"604\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e0.9 CFM (25 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e0.001 torr\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e0.62 qt(0.59 l)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e7\/16\"(11 mm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e3\/4-20\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"323\"\u003e\n\u003cp\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\"\u003e\n\u003cp\u003e580\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136587832,"sku":"1400N","price":2680.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400n-chemstar-unmounted-vacuum-pump-25487983181973.jpg?v=1779794275"},{"product_id":"welch-1400n-01-duoseal-chemstar-vacuum-pump","title":"Welch 1400N-01 DuoSeal ChemStar Vacuum Pump","description":"\u003cp\u003eWelch 1400N-01 DuoSeal ChemStar Vacuum Pump -The Chemstar pumps have a Teflon lined oil case and additional chemically resistant parts, making the Chemstar pump the best choice for harsh process emissions where an oil sealed vacuum pump is necessary.                                                   \u003c\/p\u003e\n\u003cp\u003eChemStar high vacuum pump Model 1400N is effective for drying using large manifolds (Shlenk lines). 25 lpm flow rate enables thorough drying, removing corrosive solvents while providing sufficient cold trap residence time to allow solvents to condense. With ultimate vacuum \u0026lt;0.001 torr, Model 1400N is also suitable for many corrosive chemistry concentrating, drying, and degassing operations as well as rotary evaporation of low-volatility solvents. \u003c\/p\u003e\n\u003ctable width=\"368\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e1 liter Gold oil, 8995G-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon accessory, not included\u003c\/td\u003e\n\u003ctd width=\"155\"\u003eExhaust filter 1417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePumping Speed\u003c\/td\u003e\n\u003ctd\u003e0.9 CFM (25 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd\u003e0.0001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil Capacity\u003c\/td\u003e\n\u003ctd\u003e0.62 qt(0.59 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing Needed\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump RPM\u003c\/td\u003e\n\u003ctd\u003e580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd\u003e17.8\"x9\"x12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e70 lb (31.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136588664,"sku":"1400N-01","price":3010.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400n-01-duoseal-chemstar-vacuum-pump-25488004415637.jpg?v=1779795250"},{"product_id":"welch-1400n-50-chemstar-vacuum-pump","title":"Welch 1400N-50 Chemstar Vacuum Pump","description":"\u003cp\u003eThe Welch 1400N-50 Chemstar pumps have a Teflon lined oil case and additional chemically resistant parts, making the Chemstar pump the best choice for harsh process emissions where an oil sealed vacuum pump is necessary.                                                        \u003c\/p\u003e\n\u003cp\u003eChemStar high vacuum pump Model 1400N is effective for drying using large manifolds (Shlenk lines). 25 lpm flow rate enables thorough drying, removing corrosive solvents while providing sufficient cold trap residence time to allow solvents to condense.  With ultimate vacuum \u0026lt;0.001 torr, Model 1400N is also suitable for many corrosive chemistry concentrating, drying, and degassing operations as well as rotary evaporation of low-volatility solvents.\u003c\/p\u003e\n\u003cp\u003eInternational 230V 50Hz version of the ChemStar 1400N. Excellent chemical resistance and deep vacuum performance.\u003c\/p\u003e\n\u003ctable width=\"363\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e1 liter Gold oil, 8995G-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eCommon accessory, not included\u003c\/td\u003e\n\u003ctd width=\"199\"\u003eExhaust filter 1417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003ePumping Speed\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e0.9 CFM (25 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e0.0013 mbar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eOil Capacity\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e0.62 qt(0.59 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eExhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003ePump RPM\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e45x32x32 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eWeight\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e70 lb (31.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"164\"\u003eWiring\u003c\/td\u003e\n\u003ctd width=\"199\"\u003e230V, 50 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136589520,"sku":"1400N-50","price":3163.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400n-50-chemstar-vacuum-pump-25487999828117.jpg?v=1779794275"},{"product_id":"welch-1400n-90-chemstar-explosion-proof-motor-vacuum-pump","title":"Welch 1400N-90 Chemstar Explosion Proof Motor Vacuum Pump","description":"\u003cp\u003eThe Welch 1400N-90 Chemstar pumps have a Teflon lined oil case and additional chemically resistant parts, making the Chemstar pump the best choice for harsh process emissions where an oil sealed vacuum pump is necessary.                        \u003c\/p\u003e\n\u003cp\u003eChemStar high vacuum pump Model 1400N is effective for drying using large manifolds (Shlenk lines). 25 lpm flow rate enables thorough drying, removing corrosive solvents while providing sufficient cold trap residence time to allow solvents to condense.  With ultimate vacuum \u0026lt;0.001 torr, Model 1400N is also suitable for many corrosive chemistry concentrating, drying, and degassing operations as well as rotary evaporation of low-volatility solvents. \u003cbr\u003e\u003cbr\u003eThe 1400N-90 is designed specifically for class 1 Div 2 Explosion Proof environments and does NOT include a power cord. The 1400N-90 needs to be wired to a power source by a licensed electrician. Please review your wiring needs, as this wiring option is often ordered in error and is subject to a 15% restocking fee.                                                                                      \u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003ctable width=\"368\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e1 liter Gold oil, 8995G-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eCommon accessory, not included\u003c\/td\u003e\n\u003ctd width=\"155\"\u003eExhaust filter 1417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003ePumping Speed\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e0.9 CFM (25 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eOil Capacity\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e0.62 qt(0.59 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eExhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003ePump RPM\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e17.8\"x9\"x12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eWeight\u003c\/td\u003e\n\u003ctd width=\"155\"\u003e70 lb (31.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"213\"\u003eWiring\u003c\/td\u003e\n\u003ctd width=\"155\"\u003eExplosion Proof Motor 115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136591136,"sku":"1400N-90","price":3822.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400n-90-chemstar-explosion-proof-motor-vacuum-pump-25487994847381.jpg?v=1779794277"},{"product_id":"welch-1400w-01-duoseal-vacuum-pump-with-explosion-proof-motor","title":"Welch 1400W-01 Duoseal Vacuum Pump with Explosion Proof Motor","description":"\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eThe 1400W is designed specifically for class 1 Div 2 Explosion Proof environments and does NOT include a power cord. The 1400W needs to be wired to a power source by a licenced electrician. Please review your wiring needs, as this wiring option is often ordered in error and returns are subject to a 15% restocking fee.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"627\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"627\"\u003eThe Welch 1400W-01 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1400W-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 25 liters\/min (0.9 CFM).\u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003e1 qt DuoSeal oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003eExhaust filter 1417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.9 CFM (25 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.62 qt(0.59 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.8\"x9\"x12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 lb (31.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExplosion Proof 115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e                            \u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136593124,"sku":"1400W-01","price":3361.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400w-01-duoseal-vacuum-pump-with-explosion-proof-motor-25487976136853.jpg?v=1779796780"},{"product_id":"welch-1402-duoseal-unmounted-pump","title":"Welch 1402 DuoSeal Unmounted Pump","description":"\u003cp bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":71}'\u003eThe Welch 1402 is an unmounted pump and a component to a complete belt driven vacuum pump. Welch DuoSeal Unmounted Pump 1402 requires a base, motor and belt to generate vacuum. This product can only be used as a drop-in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":165}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":348,\"h\":19,\"abs_x\":621,\"abs_y\":165}'\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":12,\"y\":123,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":185}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":12,\"y\":123,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":185}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":234,\"y\":123,\"w\":100,\"h\":19,\"abs_x\":843,\"abs_y\":185}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ctable width=\"604\" bis_size='{\"x\":12,\"y\":159,\"w\":560,\"h\":253,\"abs_x\":621,\"abs_y\":221}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":162,\"w\":554,\"h\":247,\"abs_x\":624,\"abs_y\":224}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":162,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":224}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":162,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":224}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":164,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":226}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":164,\"w\":103,\"h\":19,\"abs_x\":626,\"abs_y\":226}'\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":162,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":224}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":164,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":226}'\u003e5.6 CFM (160 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":203,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":265}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":203,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":265}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":205,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":267}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":205,\"w\":88,\"h\":19,\"abs_x\":626,\"abs_y\":267}'\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":203,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":265}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":205,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":267}'\u003e0.001 torr\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":245,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":307}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":245,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":307}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":247,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":309}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":247,\"w\":78,\"h\":19,\"abs_x\":626,\"abs_y\":309}'\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":245,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":307}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":247,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":309}'\u003e2.25 qt(2.1 l)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":286,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":348}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":286,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":348}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":288,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":350}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":288,\"w\":100,\"h\":19,\"abs_x\":626,\"abs_y\":350}'\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":286,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":348}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":288,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":350}'\u003e13\/16\"(21 mm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":328,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":390}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":328,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":390}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":330,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":392}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":330,\"w\":159,\"h\":19,\"abs_x\":626,\"abs_y\":392}'\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":328,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":390}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":330,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":392}'\u003e1-20\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":370,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":432}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":370,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":432}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":372,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":434}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":372,\"w\":73,\"h\":19,\"abs_x\":626,\"abs_y\":434}'\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":370,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":432}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":372,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":434}'\u003e525\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp bis_size='{\"x\":12,\"y\":412,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":474}'\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136593812,"sku":"1402","price":3361.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402-duoseal-unmounted-pump-25487955230869.jpg?v=1779796780"},{"product_id":"welch-1402b-01f-fomblin-duoseal-vacuum-pump","title":"Welch 1402B-01F Fomblin DuoSeal Vacuum Pump","description":"\u003cp dir=\"auto\"\u003eWelch 1402B-01F DUOSEAL Vacuum Pump – Fomblin Prepared | 5.6 CFM\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1402B-01F\u003c\/strong\u003e is a Fomblin-prepared DUOSEAL rotary vane vacuum pump designed for demanding applications involving highly corrosive or reactive chemicals. Fomblin perfluorinated fluid preparation makes this pump highly resistant to aggressive gases, acids, and solvents where standard hydrocarbon oils would break down.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eFomblin-prepared for superior chemical resistance\u003c\/li\u003e\n\u003cli\u003e5.6 CFM (160 L\/min) pumping speed\u003c\/li\u003e\n\u003cli\u003eUltimate vacuum down to 1 × 10⁻⁴ Torr\u003c\/li\u003e\n\u003cli\u003eFully mounted with base and motor\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for cooler running and extended fluid life\u003c\/li\u003e\n\u003cli\u003eDurable DUOSEAL rotary vane design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eCorrosive gas handling\u003c\/li\u003e\n\u003cli\u003eSemiconductor processing\u003c\/li\u003e\n\u003cli\u003eChemical synthesis with aggressive vapors\u003c\/li\u003e\n\u003cli\u003eFreeze drying with reactive compounds\u003c\/li\u003e\n\u003cli\u003eHarsh industrial vacuum processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1402B-01F is the go-to choice when standard vacuum pump oil cannot survive the application. Using Fomblin fluid significantly extends pump life and reduces maintenance in aggressive environments.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed Fomblin fluid, service, or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFomblin lubricants posses the following exceptional properties:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"748\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"319\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eLow vapor pressure\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eChemical inertness\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh thermal stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGood lubricating properties\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNo flash or fire point\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow toxicity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExcellent compatibility with metals, plastics, elastomers\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd width=\"319\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eGood aqueous and non-aqueous solvent resistance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh dielectric properties\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow surface tension\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGood radiation stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEnvironmentally acceptable\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFomblin prepared vacuum pumps provide service in processes when hydrocarbon oil are not desired or are a hazard. Fomblin prepared vacuum pumps are a good choice for O2 service, extreme temperature and\/or aggressive gasses in processes.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eFomblin prepared vacuum pumps require charge of fomblin, not shipped with vacuum pump.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"756\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.6 CFM (160 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\/16\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"x12\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136596276,"sku":"1402B-01F","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402b-01f-fomblin-duoseal-vacuum-pump-15977676896.jpg?v=1779796785"},{"product_id":"welch-1402b-46-duoseal-vacuum-pump-for-refrigeration","title":"Welch 1402B-46 Duoseal Vacuum Pump for Refrigeration","description":"\u003cp class=\"lga1-lga4 md1-md2 sm-all\"\u003e\u003cstrong\u003e\u003cspan class=\"st\"\u003eWelch 1402B-46 Duoseal Vacuum Pump for Refrigeration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeep vacuum for fast evacuation and dehydration\u003c\/li\u003e\n\u003cli\u003eDurable pump, precision machined\u003c\/li\u003e\n\u003cli\u003eGas ballast for high vapor loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"clearfix lga-all md-all sm-all\"\u003e\n\u003cp\u003eRugged DuoSeal belt-drive pumps enable fast, thorough evacuation of refrigeration systems. Features high flow and deep vacuum with low pump RPM and large oil reservoirs for extended life and reduced maintenance. Includes handles for enable positioning.\u003c\/p\u003e\n\u003ca title=\"Owner's Manual Welch 1402B-46 Refrigeration Services Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/OWNER_S_MANUAL_Refrigeration_1402.pdf?v=1584387982\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eOwner's Manual Welch 1402B-46 Refrigeration Services Vacuum Pump\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"clearfix lga-all md-all sm-all\"\u003e\n\u003cbr\u003e\n\u003ctable style=\"width: 578px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 67px;\"\u003e\n\u003ctd style=\"height: 67px; width: 215px;\"\u003eApplications\u003c\/td\u003e\n\u003ctd style=\"height: 67px; width: 345px;\"\u003eService Lithium Bromide absorption chillers to 500 -700 tons, fluorcarbon or ammonia chillers to 100 to 200 tons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003eDUOSEAL Two Stage - Refrigeration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 45px;\"\u003e\n\u003ctd style=\"height: 45px; width: 215px;\"\u003eFree Air Displacement m3\/hr (l\/min.) @50Hz\u003c\/td\u003e\n\u003ctd style=\"height: 45px; width: 345px;\"\u003e5.6 CFM (160 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eUltimate Pressure\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003e0.001 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eMaximum Vacuum\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003e1 x 10-4 (1.3 x 10-4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eOil Capacity, qt. (liters)\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003e2.25(2.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eMotor Horsepower (watts)\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003e1\/2(370)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eAdjustable Vac. \/ Gas Ballast\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eIntake Thread NPT\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003e13\/16(21)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eISO Exhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eOverall Dimensions LxWxH in. (cm)\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003e20x12x15 (51x30.5x60)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003eShip Weight, lbs. (kg)\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003e132(60)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"height: 22px; width: 215px;\"\u003e\n\u003cp\u003eWelch 1402B-46 Refrigeration Vacuum Pump\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 22px; width: 345px;\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136597480,"sku":"1402B-46","price":3888.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402b-46-duoseal-vacuum-pump-for-refrigeration-15977709664.jpg?v=1779794277"},{"product_id":"welch-1402c-01-vacuum-pump","title":"Welch 1402C-01 Vacuum Pump","description":"\u003ctable width=\"571\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"571\"\u003e\n\u003cp\u003eThe Welch 1402C-01 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1402C-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 160 liters\/min (5.6 CFM).\u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty.\u003c\/p\u003e\n\u003cp\u003ePlease consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"349\"\u003e3 qts DuoSeal oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"349\"\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.6 CFM (160 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\/16\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"x12\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136599348,"sku":"1402C-01","price":3998.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402c-01-vacuum-pump-25487936716949.jpg?v=1779797049"},{"product_id":"welch-1402c-02-duoseal-rotary-vane-vacuum-pump","title":"Welch 1402C-02 DUOSEAL Rotary Vane Vacuum Pump","description":"\u003ctable width=\"571\" bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":558,\"abs_x\":621,\"abs_y\":-329}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":12,\"w\":554,\"h\":552,\"abs_x\":624,\"abs_y\":-326}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":12,\"w\":554,\"h\":251,\"abs_x\":624,\"abs_y\":-326}'\u003e\n\u003ctd colspan=\"2\" width=\"571\" bis_size='{\"x\":15,\"y\":12,\"w\":554,\"h\":251,\"abs_x\":624,\"abs_y\":-326}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":14,\"w\":550,\"h\":176,\"abs_x\":626,\"abs_y\":-324}'\u003eThe Welch 1402C-02 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1402C-02 achieves \u0026lt; 0.001 Torr with a pumping speed of 160 liters\/min (5.6 CFM).\u003cbr bis_size='{\"x\":284,\"y\":53,\"w\":0,\"h\":19,\"abs_x\":893,\"abs_y\":-285}'\u003e\u003cbr bis_size='{\"x\":17,\"y\":73,\"w\":0,\"h\":19,\"abs_x\":626,\"abs_y\":-265}'\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":17,\"y\":206,\"w\":550,\"h\":39,\"abs_x\":626,\"abs_y\":-132}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":206,\"w\":348,\"h\":19,\"abs_x\":626,\"abs_y\":-132}'\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":17,\"y\":226,\"w\":177,\"h\":19,\"abs_x\":626,\"abs_y\":-112}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":17,\"y\":226,\"w\":177,\"h\":19,\"abs_x\":626,\"abs_y\":-112}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":239,\"y\":226,\"w\":100,\"h\":19,\"abs_x\":848,\"abs_y\":-112}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":266,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":-72}'\u003e\n\u003ctd width=\"222\" bis_size='{\"x\":15,\"y\":266,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":-72}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":268,\"w\":105,\"h\":19,\"abs_x\":626,\"abs_y\":-70}'\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"349\" bis_size='{\"x\":233,\"y\":266,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":-72}'\u003e3 qts DuoSeal oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":291,\"w\":554,\"h\":43,\"abs_x\":624,\"abs_y\":-47}'\u003e\n\u003ctd width=\"222\" bis_size='{\"x\":15,\"y\":291,\"w\":216,\"h\":43,\"abs_x\":624,\"abs_y\":-47}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":293,\"w\":156,\"h\":38,\"abs_x\":626,\"abs_y\":-45}'\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"349\" bis_size='{\"x\":233,\"y\":291,\"w\":335,\"h\":43,\"abs_x\":842,\"abs_y\":-47}'\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":336,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":-2}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":336,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":-2}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":338,\"w\":103,\"h\":19,\"abs_x\":626,\"abs_y\":0}'\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":233,\"y\":336,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":-2}'\u003e5.6 CFM (160 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":362,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":24}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":362,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":24}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":364,\"w\":88,\"h\":19,\"abs_x\":626,\"abs_y\":26}'\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":233,\"y\":362,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":24}'\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":388,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":50}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":388,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":50}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":390,\"w\":78,\"h\":19,\"abs_x\":626,\"abs_y\":52}'\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":233,\"y\":388,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":50}'\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":413,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":75}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":413,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":75}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":415,\"w\":100,\"h\":19,\"abs_x\":626,\"abs_y\":77}'\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":233,\"y\":413,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":75}'\u003e13\/16\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":439,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":101}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":439,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":101}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":441,\"w\":159,\"h\":19,\"abs_x\":626,\"abs_y\":103}'\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":233,\"y\":439,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":101}'\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":464,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":126}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":464,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":126}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":466,\"w\":73,\"h\":19,\"abs_x\":626,\"abs_y\":128}'\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":233,\"y\":464,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":126}'\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":490,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":152}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":490,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":152}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":492,\"w\":127,\"h\":19,\"abs_x\":626,\"abs_y\":154}'\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":233,\"y\":490,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":152}'\u003e20\"x12\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":516,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":178}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":516,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":178}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":518,\"w\":47,\"h\":19,\"abs_x\":626,\"abs_y\":180}'\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":233,\"y\":516,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":178}'\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":541,\"w\":554,\"h\":23,\"abs_x\":624,\"abs_y\":203}'\u003e\n\u003ctd bis_size='{\"x\":15,\"y\":541,\"w\":216,\"h\":23,\"abs_x\":624,\"abs_y\":203}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":543,\"w\":44,\"h\":19,\"abs_x\":626,\"abs_y\":205}'\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd bis_size='{\"x\":233,\"y\":541,\"w\":335,\"h\":23,\"abs_x\":842,\"abs_y\":203}'\u003e220V, 50 HZ w\/Cont. Euro. (Schuko) Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136599744,"sku":"1402C-02","price":3954.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402c-02-duoseal-rotary-vane-vacuum-pump-15977775200.jpg?v=1779794257"},{"product_id":"welch-1402m-01-duoseal-rotary-vane-vacuum-pump-3-phase-motor","title":"Welch 1402M-01 DUOSEAL Rotary Vane Vacuum Pump -3-Phase Motor","description":"\u003ctable width=\"571\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"571\"\u003e\n\u003cp\u003eThe Welch 1402M-01 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1402M-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 160 liters\/min (5.6 CFM).\u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"349\"\u003e3 qts DuoSeal oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"349\"\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.6 CFM (160 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\/16\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"x12\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-Phase Motor 230V, 460V, 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136601024,"sku":"1402M-01","price":4262.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402m-01-duoseal-rotary-vane-vacuum-pump-3-phase-motor-15977807968.jpg?v=1779796780"},{"product_id":"welch-1402n-duoseal-chemstar-unmounted-pump","title":"Welch 1402N DuoSeal Chemstar Unmounted Pump","description":"\u003cp bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":271}'\u003eThe Welch 1402N is an unmounted pump and a component to a complete belt driven vacuum pump. Welch DuoSeal Unmounted Pump 1402N requires a base, motor and belt to generate vacuum. This product can only be used as a drop-in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":365}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":348,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":12,\"y\":123,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":385}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":12,\"y\":123,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":385}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":234,\"y\":123,\"w\":100,\"h\":19,\"abs_x\":843,\"abs_y\":385}'\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ctable width=\"604\" bis_size='{\"x\":12,\"y\":159,\"w\":560,\"h\":253,\"abs_x\":621,\"abs_y\":421}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":162,\"w\":554,\"h\":247,\"abs_x\":624,\"abs_y\":424}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":162,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":424}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":162,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":424}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":164,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":426}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":164,\"w\":103,\"h\":19,\"abs_x\":626,\"abs_y\":426}'\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":162,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":424}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":164,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":426}'\u003e5.6 CFM (160 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":203,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":465}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":203,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":465}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":205,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":467}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":205,\"w\":88,\"h\":19,\"abs_x\":626,\"abs_y\":467}'\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":203,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":465}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":205,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":467}'\u003e0.001 torr\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":245,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":507}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":245,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":507}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":247,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":509}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":247,\"w\":78,\"h\":19,\"abs_x\":626,\"abs_y\":509}'\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":245,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":507}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":247,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":509}'\u003e2.25 qt(2.1 l)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":286,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":548}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":286,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":548}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":288,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":550}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":288,\"w\":100,\"h\":19,\"abs_x\":626,\"abs_y\":550}'\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":286,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":548}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":288,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":550}'\u003e13\/16\"(21 mm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":328,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":590}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":328,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":590}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":330,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":592}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":330,\"w\":159,\"h\":19,\"abs_x\":626,\"abs_y\":592}'\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":328,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":590}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":330,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":592}'\u003e1-20\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":370,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":632}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":370,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":632}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":372,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":634}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":372,\"w\":73,\"h\":19,\"abs_x\":626,\"abs_y\":634}'\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":370,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":632}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":372,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":634}'\u003e525\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp bis_size='{\"x\":12,\"y\":412,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":674}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":448,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":710}'\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136602136,"sku":"1402N","price":4065.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402n-duoseal-chemstar-unmounted-pump-25487911649429.jpg?v=1779794324"},{"product_id":"welch-1402n-01-chemstar-vacuum-pump","title":"Welch 1402N-01 Chemstar Vacuum Pump","description":"\u003cp\u003eWelch 1402N-01 Chemstar Vacuum Pump - The Chemstar pumps have a Teflon lined oil case and additional chemically resistant parts, making the Chemstar pump the best choice for harsh process emissions where an oil sealed vacuum pump is necessary.                                                  \u003c\/p\u003e\n\u003cp\u003eChemStar high vacuum pump Model 1402N provides versatile effectiveness for corrosive drying operations throughout the laboratory. With ultimate vacuum \u0026lt;0.001 torr, and maximum 160 lpm flow, Model 1402N is the pump of choice for vacuum ovens (to 9 ft\u003csup\u003e3\u003c\/sup\u003e), metal glove boxes, and freeze drying of corrosive samples. \u003c\/p\u003e\n\u003ctable width=\"329\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e3 liters Gold oil, 8995G-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eCommon accessory, not included\u003c\/td\u003e\n\u003ctd width=\"164\"\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003ePumping Speed\u003c\/td\u003e\n\u003ctd\u003e5.6 CFM (160 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd\u003e0.0001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eOil Capacity\u003c\/td\u003e\n\u003ctd\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd\u003e13\/16\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eExhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd\u003eNW 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003ePump RPM\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd\u003e19.3\"x14.1\"x15.4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eWiring\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136603168,"sku":"1402N-01","price":4328.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402n-01-chemstar-vacuum-pump-25487921447061.jpg?v=1779796780"},{"product_id":"welch-1402n-60-chemstar-mounted-pump-230v-60hz-1ph-5-6-cfm","title":"Welch 1402N-60 CHEMSTAR MOUNTED PUMP  230V, 60HZ, 1PH, 5.6 CFM","description":"\u003cp\u003eWelch 1402N-60 Chemstar Vacuum Pump - The Chemstar pumps have a Teflon lined oil case and additional chemically resistant parts, making the Chemstar pump the best choice for harsh process emissions where an oil sealed vacuum pump is necessary. ChemStar high vacuum pump Model 1402N provides versatile effectiveness for corrosive drying operations throughout the laboratory.  With ultimate vacuum \u0026lt;0.001 torr, and maximum 160 lpm flow, Model 1402N is the pump of choice for vacuum ovens (to 250 l), metal glove boxes, and freeze drying of corrosive samples.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ctable width=\"329\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e3 liters Gold oil, 8995G-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eCommon accessory, not included\u003c\/td\u003e\n\u003ctd width=\"164\"\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003ePumping Speed\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e5.6 CFM (160 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e0.0013 mbar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eOil Capacity\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e13\/16\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eExhaust \/ Intake Flange\u003c\/td\u003e\n\u003ctd width=\"164\"\u003eNW 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003ePump RPM\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e49x35.3x39.1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eWeight\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"165\"\u003eWiring\u003c\/td\u003e\n\u003ctd width=\"164\"\u003e230V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136605584,"sku":"1402N-60","price":4635.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402n-60-chemstar-mounted-pump-230v-60hz-1ph-5-6-cfm-25487917711509.jpg?v=1779796642"},{"product_id":"welch-1402w-01-duoseal-vacuum-pump-with-explosion-proof-motor","title":"Welch 1402W-01 Duoseal Vacuum Pump with Explosion Proof Motor","description":"\u003cp\u003e\u003cstrong style=\"color: #ff0000;\"\u003eThe Welch 1402W-01 explosion proof motor vacuum pump is designed specifically for class 1 Div 2 Explosion Proof environments and does NOT include a power cord. This explosion proof motor vacuum pump needs to be wired to a power source by a licensed electrician. Please review your wiring needs, as this wiring option is often ordered in error and returns are subject to a 15% restocking fee.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Welch 1402W-01 vacuum pump with Explosion Proof Motor is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1402W-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 160 liters\/min (5.6 CFM).\u003c\/p\u003e\n\u003cp\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003ctable width=\"380\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"213\"\u003e3 qts DuoSeal pump oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003eCommon accessory, not included\u003c\/td\u003e\n\u003ctd width=\"213\"\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003ePumping Speed\u003c\/td\u003e\n\u003ctd width=\"213\"\u003e5.6 CFM (160 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd width=\"213\"\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003eOil Capacity\u003c\/td\u003e\n\u003ctd width=\"213\"\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd width=\"213\"\u003e13\/16\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003eExhaust \/ Intake threads\u003c\/td\u003e\n\u003ctd width=\"213\"\u003e1 inch 20 tpi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003ePump RPM\u003c\/td\u003e\n\u003ctd width=\"213\"\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd width=\"213\"\u003e20\"x12\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003eWeight\u003c\/td\u003e\n\u003ctd width=\"213\"\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"167\"\u003eWiring\u003c\/td\u003e\n\u003ctd\u003eExplosion Proof Motor 115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136608228,"sku":"1402W-01","price":4855.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402w-01-duoseal-vacuum-pump-with-explosion-proof-motor-25487895920789.jpg?v=1779793896"},{"product_id":"welch-1405-duoseal-unmounted-pump","title":"Welch 1405 DuoSeal Unmounted Pump","description":"\u003cp bis_size='{\"x\":12,\"y\":9,\"w\":560,\"h\":78,\"abs_x\":621,\"abs_y\":271}'\u003eThe Welch 1405 is an unmounted pump and a component to a complete belt driven vacuum pump. Welch DuoSeal Unmounted Pump 1405 requires a base, motor and belt to generate vacuum. This product can only be used as a drop-in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":103,\"w\":560,\"h\":39,\"abs_x\":621,\"abs_y\":365}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":103,\"w\":348,\"h\":19,\"abs_x\":621,\"abs_y\":365}'\u003eNeed technical advice or compatibility confirmation?\u003c\/strong\u003e Email \u003cstrong bis_size='{\"x\":12,\"y\":123,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":385}'\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" bis_size='{\"x\":12,\"y\":123,\"w\":177,\"h\":19,\"abs_x\":621,\"abs_y\":385}' target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong bis_size='{\"x\":234,\"y\":123,\"w\":100,\"h\":19,\"abs_x\":843,\"abs_y\":385}'\u003e(484) 424-9415\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"604\" bis_size='{\"x\":12,\"y\":159,\"w\":560,\"h\":253,\"abs_x\":621,\"abs_y\":421}'\u003e\n\u003ctbody bis_size='{\"x\":15,\"y\":162,\"w\":554,\"h\":247,\"abs_x\":624,\"abs_y\":424}'\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":162,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":424}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":162,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":424}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":164,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":426}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":164,\"w\":103,\"h\":19,\"abs_x\":626,\"abs_y\":426}'\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":162,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":424}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":164,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":426}'\u003e3.2 CFM (90 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":203,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":465}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":203,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":465}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":205,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":467}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":205,\"w\":88,\"h\":19,\"abs_x\":626,\"abs_y\":467}'\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":203,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":465}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":205,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":467}'\u003e0.001 torr\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":245,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":507}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":245,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":507}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":247,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":509}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":247,\"w\":78,\"h\":19,\"abs_x\":626,\"abs_y\":509}'\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":245,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":507}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":247,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":509}'\u003e2.25 qt(2.1 l)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":286,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":548}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":286,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":548}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":288,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":550}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":288,\"w\":100,\"h\":19,\"abs_x\":626,\"abs_y\":550}'\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":286,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":548}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":288,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":550}'\u003e7\/16\"(11 mm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":328,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":590}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":328,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":590}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":330,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":592}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":330,\"w\":159,\"h\":19,\"abs_x\":626,\"abs_y\":592}'\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":328,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":590}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":330,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":592}'\u003e1-20\/1-20\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":15,\"y\":370,\"w\":554,\"h\":39,\"abs_x\":624,\"abs_y\":632}'\u003e\n\u003ctd width=\"323\" bis_size='{\"x\":15,\"y\":370,\"w\":295,\"h\":39,\"abs_x\":624,\"abs_y\":632}'\u003e\n\u003cp bis_size='{\"x\":17,\"y\":372,\"w\":291,\"h\":19,\"abs_x\":626,\"abs_y\":634}'\u003e\u003cstrong bis_size='{\"x\":17,\"y\":372,\"w\":73,\"h\":19,\"abs_x\":626,\"abs_y\":634}'\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"281\" bis_size='{\"x\":312,\"y\":370,\"w\":256,\"h\":39,\"abs_x\":921,\"abs_y\":632}'\u003e\n\u003cp bis_size='{\"x\":314,\"y\":372,\"w\":252,\"h\":19,\"abs_x\":923,\"abs_y\":634}'\u003e525\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp bis_size='{\"x\":12,\"y\":412,\"w\":560,\"h\":19,\"abs_x\":621,\"abs_y\":674}'\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136609560,"sku":"1405","price":2834.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1405-duoseal-unmounted-pump-25487890940053.jpg?v=1779797047"},{"product_id":"welch-1405b-01-duoseal-belt-drive-vacuum-pump-115v","title":"Welch 1405B-01 DuoSeal Belt Drive Vacuum Pump 115V","description":"\u003ctable width=\"542\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"542\"\u003e\n\u003cp\u003eThe Welch 1405B-01 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1405B-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 90 liters\/min (3.2 CFM).\u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this DUOSEAL vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca title=\"Owner's Manual Welch 1405B-01 Vacuum Pump\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/OWNER_S_MANUAL_1405B-01.pdf?v=1584388217\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOwner's Manual Welch 1405B-01 Vacuum Pump.pdf\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 qts DuoSeal pump oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 CFM (90 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-20\/1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"x12\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136610352,"sku":"1405B-01","price":3449.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1405b-01-duoseal-belt-drive-vacuum-pump-115v-25487772483733.jpg?v=1779796018"},{"product_id":"welch-1405c-02-duoseal-rotary-vane-vacuum-pump","title":"Welch 1405C-02 DUOSEAL Rotary Vane Vacuum Pump","description":"\u003ctable width=\"542\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"542\"\u003e\n\u003cp\u003eThe Welch 1405C-02 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1405C-02 achieves \u0026lt; 0.001 Torr with a pumping speed of 90 liters\/min (3.2 CFM).\u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 qts DuoSeal oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 CFM (90 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-20\/1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"x12\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220V, 50Hz w\/Cont. Euro. (Schuko) Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136613228,"sku":"1405C-02","price":3647.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1405c-02-duoseal-rotary-vane-vacuum-pump-15978037344.jpg?v=1779796006"},{"product_id":"welch-1405w-01-vacuum-pump-with-explosion-proof-motor","title":"Welch 1405W-01 Vacuum Pump with Explosion Proof Motor","description":"\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eThis explosion proof motor vacuum pump is designed specifically for class 1 Div 2 Explosion Proof environments and does NOT include a power cord. This explosion proof motor vacuum pump needs to be wired to a power source by a licensed electrician. Please review your wiring needs, as this wiring option is often ordered in error and returns are subject to a 15% restocking fee.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"542\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"542\"\u003e\n\u003cp\u003eThe Welch 1405W-01 vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 1405W-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 90 liters\/min (3.2 CFM).\u003cbr\u003e\u003cbr\u003eTwo stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 qts DuoSeal oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"222\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExhaust filter 1417P-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 CFM (90 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.25 qt(2.1 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust .\/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-20\/1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"x12\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExplosion Proof Motor 115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136614944,"sku":"1405W-01","price":4525.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1405w-01-vacuum-pump-with-explosion-proof-motor-15978070112.jpg?v=1779797044"},{"product_id":"welch-1376b-01f-fomblin-prepared-vacuum-pump","title":"Welch 1376B-01F Fomblin Prepared Vacuum Pump","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eWelch 1376B-01F - Fomblin prepared vacuum pumps provide service in processes when hydrocarbon oil are not desired or are a hazard. Fomblin prepared vacuum pumps are a good choice for O2 service, extreme temperature and\/or aggressive gasses in processes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eFomblin lubricants posses the following exceptional properties:\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 87.3214%;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eLow vapor pressure\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eChemical inertness\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh thermal stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGood lubricating properties\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNo flash or fire point\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow toxicity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExcellent compatibility with metals, plastics, elastomers\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 111.679%;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eGood aqueous and non-aqueous solvent resistance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh dielectric properties\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow surface tension\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGood radiation stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEnvironmentally acceptable\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eFomblin prepared vacuum pumps require charge of fomblin, not shipped with vacuum pump.\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"514\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.6 CFM (300 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 qt(2.4 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\/16(21)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\"x14\"x15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e156 lb (71 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1190599112,"sku":"1376B-01F","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1376b-01f-fomblin-prepared-vacuum-pump-17384276064.jpg?v=1779793946"},{"product_id":"welch-crr-1a-capture-refrigerant-recovery-vacuum-pump","title":"Welch CRR-1A Capture Refrigerant Recovery Vacuum Pump","description":"\u003cdiv class=\"lga1-lga4 md1-md2 sm-all\"\u003eWelch CRR-1A Capture Refrigerant Recovery Vacuum Pump \u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eRecovers and Transfers refrigerant\u003c\/li\u003e\n\u003cli\u003eContinuous discharge pressure to 30 PSI\u003c\/li\u003e\n\u003cli\u003eHigh flow efficiency at 1000 microns Hg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"clearfix lga-all md-all sm-all\"\u003e\n\u003cp\u003eThe CAPTURE pumps have been specifically designed for recovery and recycling systems that evacuate refrigerant systems to greater than 29.9 inches Hg(1 Torr, 1 mbar) and boost refrigerant vapor to a holding tank. The recovery and recycling systems employing a CAPTURE pump are built for evacuation of R-11, R-113 and R-123 chillers\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_CRR-1A_Refrigerant_Recovery_pump_CS_Flyer.png?v=1778101485\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ctable class=\"responsive comparison persist-area products-1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eApplications\u003c\/th\u003e\n\u003ctd class=\"selected\"\u003eChiller systems utilizing R11, R-113, R-123\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eType\u003c\/th\u003e\n\u003ctd class=\"selected\"\u003eA\/C Refrigeration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eFree Air Displacement m3\/hr (l\/min.) @50Hz\u003c\/th\u003e\n\u003ctd class=\"selected\"\u003e10.6(300)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eOil Capacity, qt.(liters)\u003c\/th\u003e\n\u003ctd class=\"selected\"\u003e2.5(2.4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eMotor Horsepower (watts)\u003c\/th\u003e\n\u003ctd class=\"selected\"\u003e1(750)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eOverall Dimensions LxWxH in. (cm)\u003c\/th\u003e\n\u003ctd class=\"selected\"\u003e19.25x12.3x11.1 (48.9x31.3x28.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eWiring\u003c\/th\u003e\n\u003ctd class=\"selected\"\u003e115v 60 HZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd class=\"selected\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003e\u003c\/th\u003e\n\u003ctd class=\"selected\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1190659756,"sku":"CRR-1A","price":5466.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-crr-1a-capture-refrigerant-recovery-vacuum-pump-25465290490005.jpg?v=1779796036"},{"product_id":"welch-1400-duoseal-vacuum-pump-115v-60hz-1-ph-model-1400b-01","title":"Welch 1400 DuoSeal Vacuum Pump, 115V 60Hz 1 PH, Model 1400B-01","description":"\u003ctable width=\"627\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"627\"\u003e\n\u003cp\u003eWelch 1400B-01 DuoSeal Vacuum Pump (115V 60Hz 1PH) is a ready-to-run, complete belt-drive rotary vane pump. It offers 0.9 CFM pumping speed and reaches 1×10⁻⁴ Torr ultimate vacuum. Perfect for small lab applications including Schlenk lines, vacuum ovens, freeze drying, and degassing. The legendary belt-drive system lowers RPM for cooler, quieter operation and exceptional longevity. Comes with initial fill of DuoSeal oil.\u003c\/p\u003e\n\u003cp\u003eWelch 1400 DuoSeal Vacuum Pump, 115V 60Hz 1 PH, Model 1400B-01 is a rugged and robust pump for applications requiring pressures \u0026lt; 1 Torr. The Welch vacuum pump 1400B-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 25 liters\/min (0.9 CFM).\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWelch vacuum rugged oil-seal pumps for a wide variety of vacuum needs, including Schlenk drying lines, freeze drying, degassing, concentrations, distillations, and more. Pulley drive enables low pump rpm operation – reduces friction, oil temperature, and oil degradation.\u003c\/p\u003e\n\u003cp\u003eLarge oil reservoir minimizes contamination effects and extends maintenance intervals. Use of a cold trap is recommended to protect the pump and enhance vacuum levels.\u003c\/p\u003e\n\u003cp\u003eWelch 1400 two stage, oil sealed vacuum pumps should not be operated continuously at pressures above 1 Torr. Operating this DUOSEAL pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty. Please consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 1 Torr.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welh_1400B-01_CS_Flyer.png?v=1779308044\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003e1 qt DuoSeal vacuum pump oil, 1407K-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"329\"\u003eExhaust filter 1417\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.9 CFM (25 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.62 qt(0.59 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\/16\"(11 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e580\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.8\"x9\"x12.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 lb (31.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWelch vacuum complete pumps model numbers include a four number model of pump along with a suffix containing a letter, dash and two numbers to designate voltage. The complete pump (pump, motor, base, belt - ready to run out of the box) in 115v, 60 Hz is a Welch 1400B -01 vacuum pump.\u003c\/p\u003e\n\u003cp\u003eThe Welch catalog#: \u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-1400-unmounted-pump?_pos=1\u0026amp;amp;_sid=741eea29b\u0026amp;amp;_ss=r\u0026amp;nbsp;\u0026amp;nbsp;\" title=\"Welch 1400 Duoseal Unmounted Pump Only\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e1400\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e is a base pump only. It is an unmounted pump typically used for a drop in replacement for a failed pump. The Welch 1400 cat# does not include the base, belt or motor.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003eOur \u003ca href=\"https:\/\/www.chemtechsci.com\/blogs\/news\" title=\"Chemtech Scientific Blog\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBlog\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":32029546020960,"sku":"1400B-01","price":2526.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1400-duoseal-vacuum-pump-115v-60hz-1-ph-model-1400b-01-25851201912981.jpg?v=1779793943"},{"product_id":"welch-1402b-01-duoseal-belt-drive-vacuum-pump","title":"Welch 1402B-01 DuoSeal Belt Drive Vacuum Pump","description":"\u003ch3 dir=\"auto\"\u003eWelch 1402 Duoseal Belt Drive Vacuum Pump\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eWelch 1402B-01 is a robust, belt-driven, two-stage rotary vane vacuum pump known for its reliability and deep vacuum performance. Ideal for laboratory and industrial applications, this pump delivers strong pumping speed and excellent vapor handling.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eWhat's Included in this Package:\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eWelch 1402B-01 Duoseal Vacuum Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 Quarts of DuoSeal Vacuum Pump Oil\u003c\/strong\u003e (Part # 1407K-11)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e (Part # 1417P-10)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Common accessories such as inlet traps, hoses, or additional fittings are \u003cstrong\u003enot included\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_1402B-01_Duoseal_Vacuum_Pump_Flyer_1b.png?v=1778178216\" alt=\"\"\u003e\u003c\/h4\u003e\n\u003ch4 dir=\"auto\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"md\"\u003eParameter\u003c\/th\u003e\n\u003cth data-col-size=\"lg\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e5.6 CFM (160 L\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eMaximum Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e0.001 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e2.25 qt (2.1 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e13\/16\" (21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eExhaust \/ Intake Threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e1-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e525 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e20\" x 12\" x 15\" (51 x 30 x 38 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e112 lb (51 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e115V, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"height: 1px; width: 408px;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eInstallation Recommendation\u003c\/strong\u003e The Welch Duoseal 1402B-01 vacuum pump should be located in a clean and well-ventilated area. Adequate space should be provided for routine maintenance such as oil changes and belt adjustments. For best performance, place the pump as close as possible to the vacuum system to minimize tubing length and maximize efficiency.\u003c\/p\u003e\n\u003cp\u003eWelch vacuum complete pumps model numbers include a four number model of pump along with a suffix containing a letter, dash and two numbers to designate voltage. The complete pump (pump, motor, base, belt - ready to run out of the box) in 115v, 60 Hz is a Welch 1402B -01 vacuum pump.\u003c\/p\u003e\n\u003cp\u003eThe Welch catalog#: 1402 is a base pump only. It is an unmounted pump typically used for a drop in replacement for a failed pump. The Welch 1402 cat# does not include the base, belt or motor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur \u003ca rel=\"noopener\" title=\"Chemtech Scientific Blog\" href=\"https:\/\/www.chemtechsci.com\/blogs\/news\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBlog\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":32029831594080,"sku":"1402B-01","price":3669.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1402b-01-duoseal-belt-drive-vacuum-pump-25456008364181.jpg?v=1779795837"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/collections\/welch-belt-driven-vacuum-pumps-3821471.jpg?v=1773507786","url":"https:\/\/www.chemtechsci.com\/collections\/welch-belt-driven-vacuum-pumps.oembed?page=2","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}