E-Store : Welch Direct-Drive Vacuum Pumps

Rugged direct drive rotary gear pump. Ideal for rotary evaporation and filtration manifolds. CFM 1.1, Ultimate pressure 1 x 10 -1 torr, Motor 1/4 HP 115V standard or optional 230V, Oil Capacity 2.25 Quart, Intake 3/8" hose barb / exhaust 3/4-20 threaded, Weight Net 26 lbs.

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Direct drive rotary vane pump. CFM 1.8, Ultimate pressure 2 x 10 -3 torr, Motor 1/4 HP 115V standard or optional 230V, Oil Capacity .42 Quart, Intake 3/16" unibarb / exhaust 3/4-20 threaded, Weight Net 24.5 lbs.

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Direct drive rotary vane pump. CFM 2.6, Ultimate pressure 1 x 10 -4 torr, Motor 1/2 HP 115V standard or optional 230V, Oil Capacity 1 Quart, Intake 13/16" unibarb / exhaust 1-20 threaded, Weight Net 40 lbs.

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Direct drive rotary vane pump. CFM 2.8, Ultimate pressure 1 x 10 -4 torr, Motor 1/2 HP 115V standard or optional 230V, Oil Capacity .99 Quart, Intake 13/16" unibarb / exhaust 1-20 threaded, Weight Net 41 lbs.

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Direct drive rotary vane pump. CFM 6.1, Ultimate pressure 1 x 10 -4 torr, Motor 1/2 HP 115V standard or optional 230V, Oil Capacity .8 Quart, Intake 3/16" unibarb / exhaust 1-20 threaded, Weight Net 48 lbs.

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Direct drive rotary vane pump. CFM 7.7, Ultimate pressure 3 x 10 -4 torr, Motor 1/2 HP 115V standard or optional 230V, Oil Capacity 1.3 Quart, Intake 3/16" unibarb / exhaust 1-20 threaded, Weight Net 58 lbs.

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Direct drive rotary vane pump. CFM 11.3, Ultimate pressure 4 x 10 -4 torr, Motor 3/4 HP 115V standard or optional 230V, Oil Capacity 1.2 Quart, Intake 3/16" unibarb / exhaust 1-20 threaded, Weight Net 77 lbs.

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