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GEM* Vacuum Pump Systems, Model 8890, Welch

GEM* Vacuum Pump Systems, Model 8890, Welch
Starting At: $2,017.63
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Description

These continuous-duty pumps can be used with gel dryers, rotary evaporators, vacuum desiccators, vacuum manifolds, and vacuum filtration manifolds for a variety of applications.

GEM pump is rated at 31L/min, accepts 9.52mm (3/8") I.D. tubing, provides vacuums to 0.1torr, and runs cool (55 ±5°C) over a wide operating range (0.1 to 760 torr). The gear-pumping mechanism is very tolerant of vapors.

Pumps are available as fully configured vacuum systems for rotary evaporation or filtration or as stand-alone pumps.

CSA certified.

Ordering Information: Complete system for rotary evaporation (54970-658) includes GEM pump, tubing, gauge, regulator, and mist eliminator. Complete system for filtration (54970-660) includes GEM pump, tubing, gauge, regulator, collecting flask, and mist eliminator. Pumps can be purchased with or without isolation valve. Vacuum regulator for rotary evaporators is available separately.

Product Specs

Free Air Displacement   31 L/min. (1.1 cfm)
Ultimate Pressure   0.1 Torr
Dimensions   36.8L x 13W x 21.3H cm (141/2 x 5 x 83/8")
Weight   11.8 kg (26 lbs.)



SKU Description Our Price Qty
54970-658 GEM Complete Systems - For Rotary Evaporation and Vacuum Manifolds $2,290.00
54970-660 GEM Complete Systems - For Filtration $2,290.39
54970-500 GEM Vacuum Pumps - Standard Model, 115/230V, 60Hz $2,017.63
54970-614 GEM Vacuum Pumps - Standard Model, 230V, 50Hz $2,039.84
54970-505 GEM Vacuum Pumps - With Isolation Valve, 115/230V, 60Hz $2,039.84





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