{"product_id":"welch-2019b-01-filtration-diaphragm-vacuum-pump","title":"Welch 2019B-01 Filtration Diaphragm Vacuum Pump","description":"\u003cp\u003eEconomical Welch 2019B-01 filtration diaphragm vacuum pump is durable and chemical resistant. Use Model 2019 for vacuum filtration, desiccation, degassing, and other mid-range vacuum applications.\u003c\/p\u003e\u003cp\u003eRecommended for operations utilizing organic \/ aqueous solvents and or light acid \/ base (e.g. acetic acid) solutions. Ideal for single funnel vacuum filtrations, SPE manifolds, or up to 6 holder manifold filtrations.\u003c\/p\u003e\u003cp\u003eFree air flow 37L\/min; Maximum vacuum 24\" Hg. Pump can also be used to pressurize up to 18 PSIG. Comes standard with 115V line cord and convenient power switch.\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003e Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e   Free Air Displacement, CFM (l\/min) 1.3 (37)   Ultimate Vacuum, torr (mbar) 150 (200)   Max. Vacuum, in Hg 24   Tubing Needed, I.D. in. (mm) 1\/4 (7)   Weight, lbs\u003c\/p\u003e\u003cp\u003e 10.2   Overall Dimensions 8.8 x 5 x 8.8                  \u003cstrong\u003eMODEL\u003c\/strong\u003e  \u003cstrong\u003e2019B-01\u003c\/strong\u003e   \u003c\/p\u003e","brand":"Welch","offers":[{"title":"Default Title","offer_id":6848661829,"sku":null,"price":1025.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2467\/products\/welch-2019b-01-filtration-diaphragm-vacuum-pump-25481431842965.jpg?v=1779793740","url":"https:\/\/www.chemtechsci.com\/products\/welch-2019b-01-filtration-diaphragm-vacuum-pump","provider":"Chemtech Scientific Incorporated","version":"1.0","type":"link"}