{"product_id":"welch-8890a-gem-direct-drive-gear-pump","title":"Welch 8890A 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 8890A 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 31 liters\/min (1.1CFM).   \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=\"652\"\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=\"521\"\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 width=\"521\"\u003e\u003cstrong\u003eVacuum Hose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003ePumping Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\u003e\u003cstrong\u003e1.1 CM (31 lit\/min.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eMax. Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\u003e\u003cstrong\u003e0.050 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eOil Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\u003e\u003cstrong\u003e0.48 qts.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eTubing Needed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\u003e\u003cstrong\u003e3\/8\" ID\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eInlet Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\u003e\u003cstrong\u003eBarb 1\/4\" NPT\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eIntake \/ Exhaust threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\u003e\u003cstrong\u003e3\/4-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003ePump RPM @ 60 hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\u003e\u003cstrong\u003e3450\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eDimensions LxWxH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\u003e\u003cstrong\u003e14.5x5.1x8.4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\u003e\u003cstrong\u003e24.5 LBS\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"131\"\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"521\"\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":"Welch 8890A Direct Drive Vacuum Pump","offer_id":1149979276,"sku":null,"price":2435.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-8890a-gem-direct-drive-gear-pump-16464773216.jpg?v=1779794270","url":"https:\/\/www.chemtechsci.com\/products\/welch-8890a-gem-direct-drive-gear-pump","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}