{"product_id":"welch-1374-duoseal-unmounted-pump-23-cfm","title":"Welch 1374, DUOSEAL Unmounted Pump, 23 CFM","description":"\u003ch3 dir=\"auto\"\u003eWelch 1374 DUOSEAL Vacuum Pump – 23 CFM (Unmounted)\u003c\/h3\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWelch 1374 DUOSEAL\u003c\/strong\u003e is a rugged, high-performance belt-drive rotary vane vacuum pump known for its reliability and deep vacuum capability. With a pumping speed of \u003cstrong\u003e23 CFM (650 L\/min)\u003c\/strong\u003e, it is an excellent choice for laboratory and industrial applications that require strong vacuum performance.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e This product is an unmounted pump and a component to a complete belt driven vacuum pump. The Welch DuoSeal Unmounted Pump 1374 requires a base, motor and belt to generate vacuum. This product can only be used as a drop in replacement for the pump component of a complete vacuum pump.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e23 CFM (650 L\/min)\u003c\/strong\u003e free air displacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate vacuum\u003c\/strong\u003e: 1 × 10⁻⁴ Torr (with gas ballast closed)\u003c\/li\u003e\n\u003cli\u003eDurable DUOSEAL design with proven long-term reliability\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for better cooling and extended oil life\u003c\/li\u003e\n\u003cli\u003eLow noise and vibration compared to many competitive models\u003c\/li\u003e\n\u003cli\u003eEasy maintenance with accessible oil drain and fill ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying\u003c\/li\u003e\n\u003cli\u003eSchlenk lines and glove boxes\u003c\/li\u003e\n\u003cli\u003eVacuum distillation\u003c\/li\u003e\n\u003cli\u003eDegassing and lyophilization\u003c\/li\u003e\n\u003cli\u003eIndustrial and OEM installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1374 is part of the trusted DUOSEAL series, built tough for continuous use in demanding environments. Its belt-drive design allows for easy speed adjustment and serviceability.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed help building a complete system?\u003c\/strong\u003e We can supply the full mounted pump, base, motor, belt, and accessories.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Contact our vacuum specialists at \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e — we’re happy to help you choose the right pump for your application.\u003c\/p\u003e\n\u003ctable style=\"height: 176.4px;\" width=\"329\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003ePumping Speed\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e23 CFM (650 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eMax. Vacuum\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e0.001 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eOil Capacity\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e1.25 qt(1.2 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eTubing Needed\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e1-5\/8(41)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"height: 39.2px;\" width=\"167\"\u003eExhaust \/ Intake threads\u003c\/td\u003e\n\u003ctd style=\"height: 39.2px;\" width=\"162\"\u003e1.75-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003ePump RPM\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e510\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eDimensions LxWxH\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"162\"\u003e26\"x13.7\"x18.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\" width=\"167\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e85 lb (100 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136464616,"sku":"1374","price":7382.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1374-duoseal-unmounted-pump-23-cfm-25494106800277.jpg?v=1779794256","url":"https:\/\/www.chemtechsci.com\/products\/welch-1374-duoseal-unmounted-pump-23-cfm","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}