DescriptionAs a Welch distributor, we are proud to offer their full line of PTFE oil-free laboratory vacuum pumps for chemical duty to pump acid vapors and corrosive gases as well as economical standard lab duty pumps in a range of sizes and vacuum levels for pumping water vapor and non-corrosive gases. The GELMASTER® and SELF-CLEANING DRY VACUUM SYSTEMS are fully configured for gel drying, and for rotary evaporation and other applications. Finally, Welch dry rotary vane pumps are an economical solution for pumping dry air.Request a Quick Price QuotePlease enable JavaScript in your browser to complete this form.Name *Company NameShipping Address Line 1 *Shipping Address Line 2City *State *Zip Code *Email *Phone *Comments or QuestionsSubmit Welch Dry Vacuum Pumps 2047B-01 DRYFAST 2.5 cfm NEW 115V 1PH Specifications General Purpose PumpsDRYFAST PumpsDRYFAST ULTRA Pumps Welch Model20102012203420442037204720322042Free Air Displacement CFM(L/min) @ 60Hz 0.45(12.7)0.78(22)0.9(25)1.2(35)1.8(50)2.5(70)0.9(25)1.2(35) m3/hr(L/min) @ 50Hz0.63(10.6)1.1(18)1.25(21)1.75(29)2.5(42)3.5(58)1.25(21)1.75(29)Ultimate Pressure, Torr(mbar)110(146)100(133)9(12)9(12)50(67)35(47)2(3)2(3) Maximum Vacuum, in. 25.5 2629.629.628.528.529.8529.85 Motor Horsepower (watts)1/12(62)1/5(150)1/5(150)1/5(150)1/5(150)1/5(150)1/5(150)1/5(150)Adjustable Vac./Gas BallastNoNoYesYesYesYesYesYesTubing Needed, I.D. in. (mm) 1/4(7)1/4(7)1/4(7)1/4(7)1/4(7)1/4(7)1/4(7)1/4(7) Intake/Exhaust Thread NPT1/41/41/41/41/41/41/41/4Weight (lbs.)5.25(2.4)16.3(7.4)21.25(9.6)21.25(9.6)21.25(9.6)21.25(9.6)21.25(9.6)21.25(9.6)Overall Dimensions L in. (cm)6.3(16.0)10(25.4)13.8(35.2)13.8(35.2)13.8(35.2)13.8(35.2)13.8(35.2)13.8(35.2)W in. (cm)5.5(14.0)7(17.8)6.8(17.2)6.8(17.2)6.8(17.2)6.8(17.2)6.8(17.2)6.8(17.2)H in. (cm)7.5(19.0)6.9(17.5)8.8(22.3)8.8(22.3)8.8(22.3)8.8(22.3)8.8(22.3)8.8(22.3)Ship Weight, lbs (kg)8(3.6)20(9.1)25(11.3)25(11.3)25(11.3)25(11.3)25(11.3)25(11.3)Shipping Carton Dimensions16x13x13 (41x32x33)16x13x13 (41x32x33)21x14x15 (52x35x37)21x14x15 (52x35x37)21x14x15 (52x35x37)21x14x15 (52x35x37)21x14x15 (52x35x37)21x14x15 (52x35x37) L x W x H in. (cm)
