{"product_id":"welch-3301-01-crvpro-30-rotary-vane-direct-drive-pump","title":"Welch 3301-01 CRVpro 30 Rotary Vane Direct Drive Pump","description":"\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr class=\"product-rows\" style=\"height: 54.1167px;\"\u003e\n\u003ctd class=\"image\" style=\"height: 54.1167px;\"\u003e\n\u003cdiv class=\"product_image\"\u003e\u003ca href=\"https:\/\/welchvacuum.com\/products\/crvpro-direct-drive-rotary-vane-vacuum-pump-span-crvpro30-span-1\"\u003e \u003c\/a\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"item\" style=\"height: 54.1167px;\"\u003eCRVpro Direct Drive Rotary Vane Vacuum Pump CRVpro30 \u003cspan class=\"variant_title\"\u003e115V, 60Hz,1 Ph with N. Amer. 115V Plug, and\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\u003ch3 dir=\"auto\"\u003eWelch CRVpro 30 Technical 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\"\u003eParameter\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eFree Air Displacement @ 60 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e22.1 CFM (627 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\u003eFree Air Displacement @ 50 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e33.1 m³\/h (551 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\u003eUltimate Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e2 × 10⁻³ Torr (3 × 10⁻³ mbar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e55 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eMotor Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e1750 RPM @ 60 Hz \/ 1450 RPM @ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eMotor Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e1.1 HP (0.85 kW)\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=\"md\"\u003e2100 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eConnection Flanges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003eNW25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eInlet Hose Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e5\/8\" to 3\/4\"\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=\"md\"\u003e87 lbs (39.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"lg\"\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"white-space: pre-wrap;\" data-col-size=\"md\"\u003e22.4 x 8.1 x 11.4 in (569 x 206 x 289 mm)\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\u003e \u003c\/p\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\u003e\u003ca title=\"CRV Pro Brochure\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/Welch_CRVpro_Full_Line_Brochure.pdf?11582346113961769494\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/files\/pdf-logo_99cedd84-53e8-4e42-89b2-488c0d08ee42_large.jpg?v=1517003062\" alt=\"\" width=\"30\" height=\"30\"\u003eCRV Pro Brochure\u003c\/a\u003e\u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":8011404345372,"sku":"3301-01","price":6789.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-3301-01-crvpro-30-rotary-vane-direct-drive-pump-25479291568277.jpg?v=1779797262","url":"https:\/\/www.chemtechsci.com\/products\/welch-3301-01-crvpro-30-rotary-vane-direct-drive-pump","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}