{"product_id":"welch-1399b-01-single-stage-duoseal-vacuum-pump","title":"Welch 1399B-01 Single Stage Duoseal Vacuum Pump","description":"\u003ctable width=\"569\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 540.05px;\" colspan=\"2\" width=\"569\"\u003e\n\u003cp dir=\"auto\"\u003eWelch 1399B-01 Single Stage Duoseak Vacuum Pump – 1.2 CFM \u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1399B-01 Single stage vacuum pump is a rugged and robust vacuum pump for applications requiring pressures \u0026lt; 30 Torr. The Welch 1399B-01 achieves \u0026lt; 0.030 Torr with a pumping speed of 35 liters\/min (1.2 CFM).\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eSingle stage, oil sealed vacuum pumps should not be operated continuously at pressures above 30 Torr. Operating this vacuum pump at higher pressure will induce excessive oil spraying from the exhaust of the vacuum pump causing premature failure and void warranty.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003ePlease consult your Chemtech Scientific Representative for consultation, should the ultimate pressure of your process run above 30 Torr.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThis is the fully mounted version, complete with base and motor, making it ready for immediate installation and use.\u003c\/p\u003e\n\u003ch4 dir=\"auto\"\u003eKey Features\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e1.2 CFM (35 L\/min) pumping speed\u003c\/li\u003e\n\u003cli\u003eUltimate vacuum down to \u0026lt; 0.030 Torr\u003c\/li\u003e\n\u003cli\u003eSingle-stage rotary vane design\u003c\/li\u003e\n\u003cli\u003eLarge oil reservoir for cooler operation and longer oil life\u003c\/li\u003e\n\u003cli\u003eDurable DUOSEAL construction\u003c\/li\u003e\n\u003cli\u003eEasy maintenance access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"auto\"\u003eIdeal Applications\u003c\/h4\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLaboratory vacuum systems requiring moderate vacuum\u003c\/li\u003e\n\u003cli\u003eVacuum filtration\u003c\/li\u003e\n\u003cli\u003eVacuum ovens and drying (moderate vacuum needs)\u003c\/li\u003e\n\u003cli\u003eDegassing\u003c\/li\u003e\n\u003cli\u003eLight industrial processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003eThe Welch 1399B-01 is a reliable single-stage pump from the trusted DUOSEAL series, ideal for applications where deep vacuum is not required.\u003c\/p\u003e\n\u003cp dir=\"auto\" style=\"white-space: pre-wrap;\"\u003e\u003cstrong\u003eNeed technical advice or service?\u003c\/strong\u003e Email \u003cstrong\u003e\u003ca href=\"mailto:support@chemtechsci.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"\u003esupport@chemtechsci.com\u003c\/a\u003e\u003c\/strong\u003e or call \u003cstrong\u003e(484) 424-9415\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e1.2 CFM (35 l\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e0.030 torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eVacuum Pump Oil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e0.5 qt(0.47 l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e7\/16(11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eExhaust \/ Intake threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e3\/4-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003ePump RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e17\"x9\"x10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e51 lb (23 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 325.667px;\"\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 214.383px;\"\u003e115V, 60 hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":1136574600,"sku":"1399B-01","price":2197.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-1399b-01-single-stage-duoseal-vacuum-pump-25489740693653.jpg?v=1779796647","url":"https:\/\/www.chemtechsci.com\/products\/welch-1399b-01-single-stage-duoseal-vacuum-pump","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}