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Welch 8890A-75 High-Vacuum Gear Pump Systems for Filtration, 115 VAC, Cole-Parmer (CAT#: STEM-DS-0651-LC)

Highlights

Dual-stage gear pump offers deep vacuum as low as 1 x 10–1 torr
Rotating gears do not mesh
The waste oil collector coalesces the oil mist and puts it back into the pump to prevent oil residue in the filter

Cat Number: STEM-DS-0651-LC

Application: For use in rotary evaporation, vacuum, and filtration manifolds

Model: 79206-10

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Description

The Welch High-vacuum Gear Pump Systems manufactured by Cole-Parmer is suitable for distillation and removal of high boiling point solvents. The duoble-stage gear pump offers deep vacuum as low as 1 x 10–1 torr. The waste oil collector coalesces the oil mist and puts it back into the pump to prevent oil residue in the filter

Specification

Wetted Parts:304 Stainless steel, Viton®, Powdered Metal
Free-Air Capacity (CFM):1.1
Free-Air Capacity (LPM):31.1
Free-Air Capacity (LPH):1866
Max Flow Rate (CFM):1.09
Max Flow Rate (Liters/min):31
Max Vacuum (in Hg):29.92
Max Vacuum (mbar):0.13
Max Vacuum (mm Hg):0.1
Max Vacuum (torr):0.1
Tank Size (Qt):0.48
Tank Size (oz):15.2
Tank Size (Liters):0.45
Tank Size (Gal):0.12
Oil Capacity (oz):15.2
Oil Capacity (Liters):0.45
Port Size:3/8" hose barb
Max Temperature (° F):140
Max Temperature (° C):60
Duty Cycle:Continuous
Power (VAC):115
Power (Hz):60
Motor Type:Single-phase TEFC, motor speed 3450 rpm at 60 Hz
Height (in):8.1875
Length (in):14
Height (cm):20.8
Length (cm):35.56
Height (mm):208
Length (mm):355.6
Motor hp:1/4

Features

Dual-stage gear pump offers deep vacuum as low as 1 x 10–1 torr
Rotating gears do not mesh
The waste oil collector coalesces the oil mist and puts it back into the pump to prevent oil residue in the filter
Gear design enable pump to run continuously between 1 x 10–1 torr and at atmosphere

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