{"title":"Welch CRVpro Direct Drive Vacuum Pumps","description":"\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eWelch CRVpro direct drive vacuum pumps are the modern evolution of Welch’s trusted rotary vane technology. These compact, high-performance pumps are designed for today’s laboratory and light industrial needs, offering quiet operation, fast pump-down, and reliable deep vacuum.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhy Choose Welch CRVpro Direct Drive Pumps?\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eAdvanced anti-suck-back valve prevents oil backflow\u003c\/li\u003e\n\u003cli\u003eBuilt-in thermal protection and motor overload safeguards\u003c\/li\u003e\n\u003cli\u003eLow noise level — ideal for shared lab environments\u003c\/li\u003e\n\u003cli\u003eExcellent chemical vapor tolerance (especially with Welch Gold Oil)\u003c\/li\u003e\n\u003cli\u003eEasy maintenance with large oil capacity and accessible drain port\u003c\/li\u003e\n\u003cli\u003eWide range of models from small benchtop to high-flow industrial sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003eHow Welch CRVpro Direct Drive Pumps Work\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eCRVpro pumps use a direct-drive design where the motor shaft connects straight to the pump rotor. This allows higher operating speeds (1,400–1,800 RPM) while maintaining precision. The two-stage rotary vane mechanism combined with improved oil circulation and gas ballast delivers strong vapor handling and deep ultimate vacuum (down to 1 × 10⁻³ Torr or better depending on model).\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Advantages of CRVpro Series\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eMore compact and lighter than traditional belt-drive pumps\u003c\/li\u003e\n\u003cli\u003eFaster evacuation on small to medium volumes\u003c\/li\u003e\n\u003cli\u003eSignificantly quieter than older direct-drive models\u003c\/li\u003e\n\u003cli\u003eLonger oil life due to better temperature management\u003c\/li\u003e\n\u003cli\u003eAvailable in standard, chemical-resistant, and explosion-proof configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003ePopular Welch CRVpro Models We Carry\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCRVpro 2 \u0026amp; 4\u003c\/strong\u003e – Small benchtop applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCRVpro 6 \u0026amp; 8\u003c\/strong\u003e – Most popular for rotary evaporators and general lab use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCRVpro 16 \u0026amp; 24\u003c\/strong\u003e – Higher capacity lab systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCRVpro 30, 48 \u0026amp; 65\u003c\/strong\u003e – High-flow industrial and process applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003eBest Applications\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eRotary evaporators (rotovaps)\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying\u003c\/li\u003e\n\u003cli\u003eSchlenk lines and inert atmosphere work\u003c\/li\u003e\n\u003cli\u003eDegassing of resins, oils, and epoxies\u003c\/li\u003e\n\u003cli\u003eFreeze drying \/ lyophilization\u003c\/li\u003e\n\u003cli\u003eMass spectrometry and analytical instruments\u003c\/li\u003e\n\u003cli\u003eTurbomolecular pump backing\u003c\/li\u003e\n\u003cli\u003eVacuum filtration and concentration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003eMaintenance Tips for Maximum Longevity\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eChange oil every 3–6 months or 1,000–2,000 operating hours\u003c\/li\u003e\n\u003cli\u003eUse genuine Welch CRVpro or Welch Gold vacuum oil\u003c\/li\u003e\n\u003cli\u003eRun gas ballast when handling condensable vapors\u003c\/li\u003e\n\u003cli\u003eKeep inlet and exhaust filters clean\u003c\/li\u003e\n\u003cli\u003eCheck oil level regularly through the sight glass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eWhether you need a compact benchtop pump or a high-capacity model, Chemtech Scientific carries the full line of genuine Welch CRVpro direct drive vacuum pumps, along with parts, accessories, and professional repair services.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eAcademic \u0026amp; Research Discounts Available\u003c\/strong\u003e — Contact us for special pricing.\u003c\/p\u003e","products":[{"product_id":"welch-8907a-direct-drive-vacuum-pump","title":"Welch 8907A Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro-4-catalog-3041-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro-4-catalog-3041-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e-------------------------------------------------------------------------------------------------------------------\u003c\/p\u003e\n\u003ctable width=\"545\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"555\" colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8907A Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8907A achieves \u0026lt; 0.001 Torr with a pumping speed of 73 liters\/min (2.6 CFM).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"137\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"418\"\u003e\n\u003cp\u003e\u003cstrong\u003e1 L Premium vacuum oil, 8995P-11\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"137\"\u003e\n\u003cp\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"418\"\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust filter\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e2.6 CFM (73 l\/min)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e0.001 torr\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1 qt\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e7\/16\"(11 mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eUNIBARB\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e(1 1\/8-20 )\/ (1-20)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e18.5x6.5x9.6\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e55 lb (25 kg)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e115V, 60 hz\u003c\/strong\u003e\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":1133053844,"sku":"8907A","price":2377.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8907a-direct-drive-vacuum-pump-15800008800.png?v=1779794246"},{"product_id":"welch-8925a-direct-drive-vacuum-pump","title":"Welch 8925A - Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro16-catalog-3161-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro16-catalog-3161-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---------------------------------------------------------------------------------------------------------------------\u003c\/p\u003e\n\u003ctable width=\"545\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"361\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8925A Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8925A achieves \u0026lt; 0.001 Torr with a pumping speed of 320 liters\/min (11.3 CFM).                                                            \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e2 qts vacuum oil\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\n\u003cp\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e11.3 CFM (320 Lit\/min.)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1.2 qts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eAccepts 9\/16\" or 3\/4\" ID Hose\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e21.2x7.1x10.7\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e74 LBS (33.6 kg)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eWired for 115v, 60 Hz, 1 ph with N. American 115v Plug\u003c\/strong\u003e\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":1149685752,"sku":null,"price":3448.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8925a-direct-drive-vacuum-pump-16460578912.png?v=1779794284"},{"product_id":"welch-8925w-direct-drive-explosion-proof-motor-vacuum-pump","title":"Welch 8925W DIrect Drive Explosion Proof Motor Vacuum Pump","description":"\u003ctable width=\"593\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eGeneral Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"458\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8925W Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8925W achieves \u0026lt; 0.001 Torr with a pumping speed of 320 liters\/min (11.3 CFM).                          \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe 8925W is designed specifically for class 1 Div 2 Explosion Proof environments and does NOT include a power cord. The 8925W 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 is subject to a 15% restocking fee.                                                                                       \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2 qts vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e11.3 CFM (320 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1.2 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 9\/16\" or 3\/4\" ID Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e21.2x7.1x10.7\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e74 LBS (33.6 kg)\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExplosion Proof Motor, Class 1 Div. 2 115v, 60 HZ\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1149693856,"sku":null,"price":4196.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8925w-direct-drive-explosion-proof-motor-vacuum-pump-16460775520.png?v=1779797051"},{"product_id":"welch-8925c-01-230v-60-hz-vacuum-pump","title":"Welch 8925C-01          230v, 60 Hz Vacuum Pump","description":"\u003ctable width=\"445\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eGeneral Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"310\"\u003e\u003cstrong\u003eThe Welch 8925C-01 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8925C-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 320 liters\/min (11.3 CFM).                                                            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\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2 qts vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e11.3 CFM (320 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1.2 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 9\/16\" or 3\/4\" ID Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e21.2x7.1x10.7\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e74 LBS (33.6 kg)\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 60 Hz, with N. American 230v Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1149703704,"sku":null,"price":3448.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8925c-01-230v-60-hz-vacuum-pump-16460906592.png?v=1779797050"},{"product_id":"welch-8925c-02-230v-50-hz-euro-wired-vacuum-pump","title":"Welch 8925C-02   230v, 50 Hz Euro wired Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro16-catalog-3161-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro16-catalog-3161-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---------------------------------------------------------------------------------------------------------------------\u003c\/p\u003e\n\u003ctable width=\"545\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"326\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8925C-02 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8925C-02 achieves \u0026lt; 0.001 Torr with a pumping speed of 267 liters\/min Wired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug.                                                            \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e2 qts vacuum oil\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\n\u003cp\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e267 Lit\/min.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1.2 qts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eAccepts 9\/16\" or 3\/4\" ID Hose\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e21.2x7.1x10.7\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e74 LBS (33.6 kg)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eWired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug\u003c\/strong\u003e\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":1149705952,"sku":null,"price":3448.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8925c-02-230v-50-hz-euro-wired-vacuum-pump-16460939360.png?v=1779794278"},{"product_id":"welch-8890c-02-gem-direct-drive-gear-pump","title":"Welch 8890C-02 GEM Direct Drive Gear Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production.\u003c\/p\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e-------------------------------------------------------------------------------------------------------------------\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8890C-02A Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 50 Torr. The 8890A achieves \u0026lt; 0.050 Torr with a pumping speed of 26 liters\/min 230v 50 Hz for European wiring. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e                                                                                                                                                                                                                                                                                                                                                  These Welch small direct drive, oil sealed vacuum pumps should not be operated continuously at pressures above 50 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 50 Torr.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"487\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"356\"\u003e\u003cstrong\u003eExhaust Filter and 1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eVacuum Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e31 lit\/min.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.050 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.48 qts.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/8\" ID\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBarb 1\/4\" NPT\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/4-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3450\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14.5x5.1x8.4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e24.5 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1149781380,"sku":null,"price":2037.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8890c-02-gem-direct-drive-gear-pump-16462020704.png?v=1779794274"},{"product_id":"welch-8905a-direct-drive-vacuum-pump","title":"Welch 8905A Direct Drive Vacuum Pump","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable width=\"417\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"417\"\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production.\u003c\/p\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e-------------------------------------------------------------------------------------------------------------------\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eThe Welch 8905A Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 50 Torr. The  8905A achieves \u0026lt; 0.050 Torr with a pumping speed of 51 liters\/min (1.8 CFM).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eThese small direct drive, oil sealed vacuum pumps should not be operated continuously at pressures above 50 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 50 Torr\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003e1.8 CFM (51 lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003e0.050 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003e0.42 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003eAccepts 3\/16\" or 7\/16\" ID hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003eUnibarb (3\/4 -20)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003e3\/4-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003e3450\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003e14.5x5.1x8.4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003e24.5 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"135\"\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"282\"\u003e\u003cstrong\u003eWired for 115v, 60 Hz, 1 ph with N. American 115v Plug\u003c\/strong\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":1149783428,"sku":null,"price":2012.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8905a-direct-drive-vacuum-pump-16462053472.jpg?v=1779795255"},{"product_id":"welch-8905c-02-direct-drive-vacuum-pump","title":"Welch 8905C-02 Direct Drive Vacuum Pump","description":"\u003cp\u003e\u003cstrong\u003eThe Welch 8905C-02 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 50 Torr. The  8905C-02 achieves \u0026lt; 0.050 Torr with a pumping speed of 43 liters\/min 230v 50 Hz for European wiring.   \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e                                                                                                                                                                                                                                                                                                                                                These Welch small direct drive, oil sealed vacuum pumps should not be operated continuously at pressures above 50 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 50 Torr.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"456\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"325\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e(26 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.050 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.42 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 3\/16\" or 7\/16\" ID hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb (3\/4 -20)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\/4-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3450\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e14.5x5.1x8.4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e24.5 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1149789796,"sku":null,"price":2045.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8905c-02-direct-drive-vacuum-pump-16462086240.jpg?v=1779794284"},{"product_id":"welch-8907c-02-direct-drive-vacuum-pump","title":"Welch 8907C-02 Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e*****ALERT*****\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro-4-catalog-3041-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro-4-catalog-3041-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e ------------------------------------------------------------------------------------------------------------------\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8907C-02 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8907C-02 achieves \u0026lt; 0.001 Torr with a pumping speed of 61 liters\/min Wired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug.     \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"422\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"291\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e61 Lit\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1 qt\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e7\/16\"(11 mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUNIBARB\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e(1 1\/8-20) \/ (1-20)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18.5x6.5x9.6\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e55 lb (25 kg)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150009960,"sku":null,"price":2377.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8907c-02-direct-drive-vacuum-pump-16465068128.png?v=1779797051"},{"product_id":"welch-8912a-direct-drive-vacuum-pump","title":"Welch 8912A Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e*****ALERT*****\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro-6-catalog-3061-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro-6-catalog-3061-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e-------------------------------------------------------------------------------------------------------------------\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8912A Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8912A achieves \u0026lt; 0.001 Torr with a pumping speed of 108 liters\/min (3.8 CFM).                                                            \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"558\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"427\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3.8 CFM (108 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.90 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 7\/16\" or 3\/4\" Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18.5x6.5x9.6 Inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e55 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 115v, 60 Hz, 1 ph with N. American 115v Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150014256,"sku":null,"price":2614.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8912a-direct-drive-vacuum-pump-16465199200.png?v=1779795253"},{"product_id":"welch-8912c-02-direct-drive-vacuum-pump","title":"Welch 8912C-02 Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro-6-catalog-3061-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro-6-catalog-3061-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e------------------------------------------------------------------------------------------------------------------\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8912C-02 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8912C-02 achieves \u0026lt; 0.001 Torr with a pumping speed of 90 liters\/min. Wired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug.                                                            \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"418\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"287\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e90 Lit\/min.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.90 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 7\/16\" or 3\/4\" Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18.5x6.5x9.6 Inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e55 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150020872,"sku":null,"price":2614.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8912c-02-direct-drive-vacuum-pump-16465264736.png?v=1779795253"},{"product_id":"welch-8912c-01-direct-drive-vacuum-pump","title":"Welch 8912C-01 Direct Drive Vacuum Pump","description":"\u003cp\u003e\u003cstrong\u003eThe Welch 8912C-01 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8912C-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 108 liters\/min (3.8 CFM).                                                            \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"464\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"333\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3.8 CFM (108 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.90 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 7\/16\" or 3\/4\" Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18.5x6.5x9.6 Inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e55 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 60 Hz, with N. American 230v Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150022028,"sku":null,"price":2614.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8912c-01-direct-drive-vacuum-pump-16465297504.png?v=1779796173"},{"product_id":"welch-8917a-direct-drive-vacuum-pump","title":"Welch 8917A Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacture Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro8-catalog-3061-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro8-catalog-3061-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e----------------------------------------------------------------------------------------------------------------\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8917A Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8917A achieves \u0026lt; 0.001 Torr with a pumping speed of 173 liters\/min (6.1CFM).                                                          \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"417\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"286\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6.1 CFM (173 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.90 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 7\/16\" or 3\/4\" Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18.5x6.5x9.6 Inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 115v, 60 Hz, 1 ph with N. American 115v Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150023072,"sku":null,"price":2876.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8917a-direct-drive-vacuum-pump-16465363040.png?v=1779796180"},{"product_id":"welch-8917c-02-direct-drive-vacuum-pump","title":"Welch 8917C-02 Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacture Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro8-catalog-3061-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro8-catalog-3061-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e-----------------------------------------------------------------------------------------------------------------\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8917C-02 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8917C-02 achieves \u0026lt; 0.001 Torr with a pumping speed of 144 liters\/min. Wired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug.                                                           \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"466\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"335\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e144 Lit\/min\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.90 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 7\/16\" or 3\/4\" Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18.5x6.5x9.6 Inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150024276,"sku":null,"price":2876.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8917c-02-direct-drive-vacuum-pump-16465395808.png?v=1779793943"},{"product_id":"welch-8917c-01-direct-drive-vacuum-pump","title":"Welch 8917C-01 Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacture Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro8-catalog-3061-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro8-catalog-3061-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e----------------------------------------------------------------------------------------------------------\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8917C-01 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8917C-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 173 liters\/min (6.1 CFM).                                           \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"363\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"232\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6.1 CFM (173 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.90 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 7\/16\" or 3\/4\" Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18.5x6.5x9.6 Inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 60 Hz, with N. American 230v Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150025984,"sku":null,"price":2876.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8917c-01-direct-drive-vacuum-pump-16465494112.png?v=1779794281"},{"product_id":"welch-8917w-direct-drive-vacuum-pump","title":"Welch 8917W Direct Drive Vacuum Pump","description":"\u003cp\u003e\u003cstrong\u003eThe Welch 8917W Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8917W achieves \u0026lt; 0.001 Torr with a pumping speed of 173 liters\/min (6.1 CFM).                          \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe 8917W is designed specifically for class 1 Div 2 Explosion Proof environments and does NOT include a power cord. The 8917W 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 is subject to a 15% restocking fee.                                                                   \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"549\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"418\"\u003e\u003cstrong\u003e1 qt vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6.1 CFM (173 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.90 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 7\/16\" or 3\/4\" Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18.5x6.5x9.6 Inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e60 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExplosion Proof Motor, Class 1 Div. 2 115v, 60 HZ\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150026792,"sku":null,"price":3865.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8917w-direct-drive-vacuum-pump-16465559648.png?v=1779797053"},{"product_id":"welch-8920a-direct-drive-vacuum-pump","title":"Welch 8920A Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro16-catalog-3161-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro16-catalog-3161-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e-----------------------------------------------------------------------------------------------------------------\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8920A Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8920A achieves \u0026lt; 0.001 Torr with a pumping speed of 218 liters\/min (7.7 CFM).    \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"451\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"320\"\u003e\u003cstrong\u003e2 qts vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e7.7 CFM (218 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1.3 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 9\/16\" or 3\/4\" ID Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20.5x7.1x10.7 inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e71 LBS (32.3 kg)\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 115v, 60 Hz, 1 ph with N. American 115v Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150028244,"sku":null,"price":3048.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8920a-direct-drive-vacuum-pump-16465625184.png?v=1779794293"},{"product_id":"welch-8920c-02-direct-drive-vacuum-pump","title":"Welch 8920C-02 Direct Drive Vacuum Pump","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*****ALERT*****\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer Welch Vacuum has replaced this product line with the Welch CRVpro series. This pump is no longer in production. Please find the direct replacement for this vacuum pump here: \u003c\/p\u003e\n\u003ctable width=\"601\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"601\"\u003e\u003ca href=\"https:\/\/www.chemtechsci.com\/products\/welch-crv-pro16-catalog-3161-01-direct-drive-pump\"\u003ehttps:\/\/www.chemtechsci.com\/products\/welch-crv-pro16-catalog-3161-01-direct-drive-pump\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Welch CRVpro series is the latest innovation in the high vacuum, direct-driven vacuum space. Vacuum users can expect increased reliability and longer service live when compared to other direct drive, rotary vane vacuum pumps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsumes up to 36% less oil than comparable pumps\u003c\/li\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. This reduced the degradation of vacuum pump oil, increasing the running time between service intervals.\u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.\u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e-----------------------------------------------------------------------------------------------------------------\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Welch 8920C-02 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8920C-02 achieves \u0026lt; 0.001 Torr with a pumping speed of 182 liters\/min Wired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug.                                                            \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"365\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"234\"\u003e\u003cstrong\u003e2 qts vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e182 Lit\/min.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1.3 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 9\/16\" or 3\/4\" ID Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH \u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20.5x7.1x10.7 inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e71 LBS (32.3 kg)\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 50 HZ, 1 Ph with Cont. Euro (Schuko) Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150029288,"sku":null,"price":3048.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8920c-02-direct-drive-vacuum-pump-16465657952.png?v=1779797057"},{"product_id":"welch-8920c-01-direct-drive-vacuum-pump","title":"Welch 8920C-01 Direct Drive Vacuum Pump","description":"\u003cp\u003e\u003cstrong\u003eThe Welch 8920C-01 Direct Drive vacuum pump is a robust vacuum pump for applications requiring pressures \u0026lt; 1 Torr. The 8920C-01 achieves \u0026lt; 0.001 Torr with a pumping speed of 218 liters\/min (7.7 CFM).                                           \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\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\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"461\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"330\"\u003e\u003cstrong\u003e2 qts vacuum oil\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e7.7 CFM (218 Lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.001 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1.3 qts\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAccepts 9\/16\" or 3\/4\" ID Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnibarb 1 1\/8 -20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1725\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20.5x7.1x10.7 inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShip Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e71 LBS (32.3 kg)\u003cbr\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWired for 230v, 60 Hz, with N. American 230v Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1150030088,"sku":null,"price":3048.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8920c-01-direct-drive-vacuum-pump-16465723488.png?v=1779797052"},{"product_id":"welch-3021-01-crvpro-2-direct-drive-rotary-vane-vacuum-pump-1-8-cfm-115v","title":"Welch 3021-01 CRVpro 2 Direct Drive Rotary Vane Vacuum Pump – 1.8 CFM | 115V","description":"\u003cp\u003eThe new CRVpro family of direct drive vacuum pumps offers increased reliability and longer service interval vs. other direct drive rotary vane vacuum pumps. The CRVpro family consumes up to 36% less oil than comparable pumps. Three features drive these benefits: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. Slows corrosion. \u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals. \u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe CRVpro family includes all the features you'd expect in a direct drive rotary vane pump: gas ballast, forced oil lubrication, anti-suckback mechanism and thermal overload protection. \u003c\/p\u003e\n\u003cp\u003eSuitable applications include freeze drying, degassing, vacuum ovens and concentrators.\u003c\/p\u003e\n\u003cp\u003e3021-01 is wired for North American 115V, 60Hz operation. Includes North American line cord, vacuum inlet hose barb suitable for gum rubber hose from 5\/8\" to 3\/4\" ID, and a charge of oil. \u003c\/p\u003e\n\u003cp\u003e3022-01 is wired for North American 230V, 60Hz operation. Includes 230V North American line cord, UK cord, and skuko cord, and a charge of oil. \u003c\/p\u003e\n\u003cp\u003eDirect drive pumps are not recommended for filtration, aspiration, drying electrophoresis gels, or other applications requiring sustained operation above 30 torr.\u003c\/p\u003e\n\u003cdiv class=\"page\" data-page-number=\"16\" data-loaded=\"true\"\u003e\n\u003cdiv class=\"textLayer\"\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"page\" data-page-number=\"17\" data-loaded=\"true\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"page\" data-page-number=\"17\" data-loaded=\"true\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/CRVpro2_Tech_data_01a090c4-c530-44da-896e-4a2e1ccdc140_large.png?v=1569332538\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"page\" data-page-number=\"17\" data-loaded=\"true\"\u003e \u003c\/div\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":35601557979285,"sku":"3021-01","price":2603.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-3021-01-crvpro-2-direct-drive-rotary-vane-vacuum-pump-1-8-cfm-115v-25479383253141.jpg?v=1779796062"},{"product_id":"welch-crvpro-48-high-flow-direct-drive-vacuum-pump-3487t-01","title":"Welch CRVpro 48 High Flow Direct Drive Vacuum Pump  3487T-01","description":"\u003cp\u003eCRVPro 48 operates at 230-240V\/380-420V (+\/- 5%), at 50 Hz or 240-265V\/415-460V (+\/-5%) at 60Hz. Always use a certified electrician for proper installation of three phase motors. Conduit wiring required, no switch included. Includes two NW40 Hinge clamps, two NW40 centering rings, and 5 L of Welch premium oil. \u003c\/p\u003e\n\u003ctable width=\"559\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003e 3487T-01\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003eCRVpro 48\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eFree Air Displacement @ 60 Hz, cfm (L\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003e39.4 (1113)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eFree Air Displacement @ 50 Hz, m³\/hr (L\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003e55.7 (928)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eUltimate Pressure, torr (mbar)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003e0.002 (0.003)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eNoise Level, dBA\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003e58\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eMotor Speed, RPM, @60Hz, @50Hz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003e1720 (1430)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eMotor Power, HP (kW)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003e2 (1.5)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eOil Capacity, mL\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003e4950\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eConnection Flanges\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003eNW40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eInlet Hose Connection*\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003eNW 40 Flange\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eWeight, lbs (kg)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003e99 (218)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"399\"\u003e\n\u003cp\u003eDimensions, LxWxH, in (mm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"4\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"31\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"115\"\u003e\n\u003cp\u003e29x9x15 (79.6x26.2x36.9)\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":"Chemtech Scientific","offers":[{"title":"Default Title","offer_id":32038771687520,"sku":"3487T-01","price":9273.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-crvpro-48-high-flow-direct-drive-vacuum-pump-3487t-01-7734848389216.png?v=1779795944"},{"product_id":"welch-crvpro-65-super-high-flow-rotary-vane-vacuum-pump","title":"Welch CRVPro 65 Super High Flow Rotary Vane Vacuum Pump","description":"\u003cp\u003eCRVPro 65 operates at 230-240V\/380-420V (+\/- 5%), at 50 Hz or 240-265V\/415-460V (+\/-5%) at 60Hz. Always use a certified electrician for proper installation of three phase motors. Conduit wiring required, no switch included. Includes two NW40 Hinge clamps, two NW40 centering rings, and 5 L of Welch premium oil. \u003c\/p\u003e\n\u003cp\u003eDirect drive pumps are not recommended for filtration, aspiration, drying electrophoresis gels, or other applications requiring sustained operation above 30 torr.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"688\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003e 3657T-01\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003eCRVpro 65\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eFree Air Displacement @ 60 Hz, cfm (L\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003e52.5 (1487)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eFree Air Displacement @ 50 Hz, m³\/hr (L\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003e74.3 (1238)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eUltimate Pressure, torr (mbar)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003e0.002 (0.003)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eNoise Level, dBA\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003e58\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eMotor Speed, RPM, @60Hz, @50Hz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003e1720 (1430)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eMotor Power, HP (kW)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003e3 (2.2)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eOil Capacity, mL\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003e4300\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eConnection Flanges\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003eNW40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eInlet Hose Connection*\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003eNW 40 Flange\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eWeight, lbs (kg)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003e100 (220)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"561\"\u003e\n\u003cp\u003eDimensions, LxWxH, in (cm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"2\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"113\"\u003e\n\u003cp\u003e31.4x10.3x14.5\u003c\/p\u003e\n\u003cp\u003e(79.6x26.2x36.9)\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":32038805864544,"sku":"3657T-01","price":12463.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-crvpro-65-super-high-flow-rotary-vane-vacuum-pump-7736050909280.png?v=1779793937"},{"product_id":"welch-crvpro-24-direct-drive-rotary-vane-vacuum-pump-3241-01","title":"Welch CRVpro 24 Direct Drive Rotary Vane Vacuum Pump – 3241-01","description":"\u003cp\u003eWelch CRVPro 24 Vacuum Pump\u003c\/p\u003e\n\u003cp\u003eCRVpro Direct Drive Rotary Vane Vacuum Pumps give increased life and service interval by running cooler and diluting aggressive chemicals with it's large oil capacity.\u003c\/p\u003e\n\u003cp\u003eThe new CRVpro family of direct drive vacuum pumps offers increased reliability and longer service interval vs. other direct drive rotary vane vacuum pumps. The CRVpro family consumes up to 36% less oil than comparable pumps. Three features drive these benefits: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRuns 10°C cooler than comparable pumps. Slows corrosion. \u003c\/li\u003e\n\u003cli\u003eHas a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals. \u003c\/li\u003e\n\u003cli\u003eHas a chemical resistant coating in the oil case and pump module. Protects non-moving parts. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe CRVpro family includes all the features you'd expect in a direct drive rotary vane pump: gas ballast, forced oil lubrication, anti-suckback mechanism and thermal overload protection. \u003c\/p\u003e\n\u003cp\u003eSuitable applications include freeze drying, degassing, vacuum ovens and concentrators.\u003c\/p\u003e\n\u003cp\u003e3241-01 is wired for North American 115V, 60Hz operation. Includes North American line cord, vacuum inlet hose barb suitable for gum rubber hose from 5\/8\" to 3\/4\" ID, and a charge of oil. \u003c\/p\u003e\n\u003cp\u003e3242-01 is wired for European 230V, 50Hz and North American 230v 60 Hz operation. Includes 230V North American line cord, UK cord, and skuko cord, and a charge of oil. \u003c\/p\u003e\n\u003cp\u003eDirect drive pumps are not recommended for filtration, aspiration, drying electrophoresis gels, or other applications requiring sustained operation above 30 torr.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"603\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eFree Air Displacement @ 60 Hz, cfm (L\/min)\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e18.3 (519)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eFree Air Displacement @ 50 Hz, m³\/hr (L\/min)\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e26.2(436)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eUltimate Pressure, torr (mbar)\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e2x10⁻­³ (3x10⁻³)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eNoise Level, dBA\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eMotor Speed, RPM, @60Hz, @50Hz\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e1750 (1450)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eMotor Power, HP (kW)\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e1.1 (0.85)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eOil Capacity, mL\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e2200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eConnection Flanges\u003c\/td\u003e\n\u003ctd width=\"269\"\u003eNW25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eInlet Hose Connection*\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e5\/8\" to 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eWeight, lbs (kg)\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e84.9 (38.5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eDimensions, LxWxH, in (mm)\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e22.4x8.1x11.4 (569x206x289)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Chemtech Scientific","offers":[{"title":"Default Title","offer_id":32039105200224,"sku":null,"price":5423.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-crvpro-24-direct-drive-rotary-vane-vacuum-pump-3241-01-25479308181653.jpg?v=1779796667"},{"product_id":"welch-crvpro4-vacuum-pump-with-explosion-proof-motor-cul","title":"Welch CRVpro4 Vacuum Pump With Explosion Proof Motor cUL","description":"\u003cp\u003eOrdering Catalog#: 3046E-01\u003c\/p\u003e\n\u003cp\u003eExplosion proof motor rating is Class 1, Groups C\u0026amp;D; Class 2, Groups F\u0026amp;G. cUL Listed\u003c\/p\u003e\n\u003cp\u003eAlways use a certified electrician for proper installation of pumps with three phase or explosion proof motors. Conduit wiring required. No cord, plug, or switch included.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"262\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"338\"\u003e\n\u003cp\u003e2 liters Welch Premium  oil, Cat# 8995P-11, NW 16 inlet and exhaust fitting with 5\/8” –  3\/4” hose barb for intake and NW 16 hinged clamp with centering ring.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"262\"\u003e\n\u003cp\u003e\u003cstrong\u003eCommon accessory, not included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"338\"\u003e\n\u003cp\u003eExhaust filter cat# 700010\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e2.8 CFM (78 l\/min)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.001 Torr (1x10^-4 Torr LN2 Trapped)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1.15 liters\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e5\/8” or ¾” ID hose\"(21 mm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust \/ Intake \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eNW 16\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e1740\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions LxWxH inches\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e18.2\" x 6.1\" x 9.1”\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e48.5 lbs (21 kg)\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":32040838037600,"sku":null,"price":4031.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-crvpro4-vacuum-pump-with-explosion-proof-motor-cul-7753600532576.png?v=1779795933"},{"product_id":"welch-crvpro8-vacuum-pump-with-explosion-proof-motor-cul-3086e-01","title":"Welch CRVpro8 Vacuum Pump With Explosion Proof Motor cUL, 3086E-01","description":"\u003cp\u003eOrdering Catalog#: 3086E-01\u003c\/p\u003e\n\u003cp\u003eExplosion proof motor rating is Class 1, Groups C\u0026amp;D; Class 2, Groups F\u0026amp;G. cUL Listed\u003c\/p\u003e\n\u003cp\u003eAlways use a certified electrician for proper installation of pumps with three phase or explosion proof motors. Conduit wiring required. No cord, plug, or switch included.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"556\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003eWhat's included\u003c\/td\u003e\n\u003ctd width=\"258\"\u003e2 liters Welch Premium  oil, Cat# 8995P-11, NW 16 inlet and exhaust fitting with 5\/8” – 3\/4” hose barb for intake and NW 16 hinged clamp with centering ring.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003eCommon accessory, not included\u003c\/td\u003e\n\u003ctd width=\"258\"\u003eExhaust filter cat# 700010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003ePumping Speed\u003c\/td\u003e\n\u003ctd width=\"258\"\u003e5.6 CFM (158 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd width=\"258\"\u003e0.001 Torr (1x10^-4 Torr LN2 Trapped)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003eOil Capacity\u003c\/td\u003e\n\u003ctd width=\"258\"\u003e1.15 liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd width=\"258\"\u003e5\/8” or 3\/4” ID hose\"(21 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003eExhaust \/ Intake \u003c\/td\u003e\n\u003ctd width=\"258\"\u003eNW 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003ePump RPM\u003c\/td\u003e\n\u003ctd width=\"258\"\u003e1740\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003eDimensions LxWxH inches\u003c\/td\u003e\n\u003ctd width=\"258\"\u003e18.2\" x 6.1\" x 9.1”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"298\"\u003eWeight\u003c\/td\u003e\n\u003ctd width=\"258\"\u003e48.5 lbs (21 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":32040849178720,"sku":"3086E-01","price":4806.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-crvpro8-vacuum-pump-with-explosion-proof-motor-cul-3086e-01-7753783279712.png?v=1779797105"},{"product_id":"welch-crvpro16-vacuum-pump-with-explosion-proof-motor","title":"Welch CRVpro16 Vacuum Pump With Explosion Proof Motor","description":"\u003cp\u003eOrdering Catalog#: 3166E-01\u003c\/p\u003e\n\u003cp\u003eExplosion proof motor rating is Class 1, Groups C\u0026amp;D; Class 2, Groups F\u0026amp;G. cUL Listed\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAlways use a certified electrician for proper installation of pumps with three phase or explosion proof motors. Conduit wiring required. No cord, plug, or switch included.\u003c\/p\u003e\n\u003ctable width=\"603\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"334\"\u003eFree Air Displacement @ 60 Hz, cfm (L\/min)\u003c\/td\u003e\n\u003ctd width=\"269\"\u003e12.8 (363)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree Air Displacement @ 50 Hz, m³\/hr (L\/min)\u003c\/td\u003e\n\u003ctd\u003e18.3 (305)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltimate Pressure, torr (mbar)\u003c\/td\u003e\n\u003ctd\u003e2x10⁻­³ (3x10⁻³)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Level, dBA\u003c\/td\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Speed, RPM, @60Hz, @50Hz\u003c\/td\u003e\n\u003ctd\u003e1750 (1450)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Power, HP (kW)\u003c\/td\u003e\n\u003ctd\u003e1.1 (0.85)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil Capacity, mL\u003c\/td\u003e\n\u003ctd\u003e2400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Flanges\u003c\/td\u003e\n\u003ctd\u003eNW25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Hose Connection*\u003c\/td\u003e\n\u003ctd\u003e5\/8\" to 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight, lbs (kg)\u003c\/td\u003e\n\u003ctd\u003e81.6 (37)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions, LxWxH, in (mm)\u003c\/td\u003e\n\u003ctd\u003e22.4x8.1x11.4 (569x206x289)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":32040868249696,"sku":"3166E-01","price":5891.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-crvpro16-vacuum-pump-with-explosion-proof-motor-7754089234528.png?v=1779796229"},{"product_id":"welch-3081-80-crvpro-8-chem-chemically-resistant-vacuum-pump","title":"Welch 3081-80 CRVpro 8 Chem Chemically Resistant Vacuum Pump","description":"\u003ch3 dir=\"auto\"\u003eWelch CRVPro 8 Chem Vacuum Pump – 3081-80\u003c\/h3\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eThe new Welch CRVPro8 Chem vacuum pump is designed with an additional oil sump to protect the vacuum from reactive emissions commonly found in freeze drying, concentrators, and other processes containing reactive emissions such as TFA and acetonitrile. At 5.6 CFM (160 L\/min), the CRVPro8 Chem is perfect for common freeze dryer sizes.\u003c\/p\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eThe CRVPro 8 Chem is a drop-in replacement and upgrade of the popular Welch model 8917A-80. This chemically resistant version features enhanced internal protection, making it ideal for aggressive solvent vapors and corrosive applications where standard pumps would degrade quickly.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eChemically enhanced oil sump for superior protection\u003c\/li\u003e\n\u003cli\u003e5.6 CFM (160 L\/min) pumping speed\u003c\/li\u003e\n\u003cli\u003eDeep vacuum performance\u003c\/li\u003e\n\u003cli\u003eQuiet and reliable direct drive design\u003c\/li\u003e\n\u003cli\u003eExcellent for freeze drying and solvent evaporation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"white-space: pre-wrap;\" dir=\"auto\"\u003eWhether you're replacing an older 8917A-80 or looking for a more robust pump for chemical duty freeze drying, the Welch CRVPro 8 Chem delivers improved durability and consistent performance.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWelch CRVpro 8 Chem Vacuum Pump – 3081-80 Specifications\u003c\/h3\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=\"lg\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-col-size=\"sm\"\u003eDetails\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=\"lg\"\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003e3081-80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003e2 Liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eUltimate Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003e0.002 Torr (0.003 mbar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003e61.6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003eNW16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003e115V Order Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003e3081-80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eFree Air Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003e5.6 CFM (158 L\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eExhaust Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003eNW16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eDimensions (LxWxH)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003e18.2 x 11.1 x 9.2 inches (462 x 282 x 234 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eGas Ballast\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eAgency (National Recognized Lab)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"sm\"\u003ecUL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eNeed help confirming compatibility or ordering?\u003c\/b\u003e Email \u003cb\u003e\u003ca href=\"mailto:support@chemtechsci.com\" target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/b\u003e or call \u003cb\u003e(484) 424-9415\u003c\/b\u003e.\u003c\/p\u003e","brand":"Chemtech Scientific Incorporated","offers":[{"title":"Default Title","offer_id":42847203917973,"sku":null,"price":6103.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-3081-80-crvpro-8-chem-chemically-resistant-vacuum-pump-27825564156053.jpg?v=1779795074"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/collections\/welch-direct-drive-vacuum-pumps-8676910.jpg?v=1777236871","url":"https:\/\/www.chemtechsci.com\/collections\/welch-crvpro-direct-drive-vacuum-pumps.oembed","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}