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Welch™ Gem™ Vacuum Pumps and Systems

Designed for rotary evaporations with high boiling point solvents

Manufacturer: welch™  8890A70

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Catalog No. 01-129-1

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Description & Specifications


For Tube Size (English) 0.39 in.
Weight (English) 24.5 lb.
Includes Tubing, gauge, Model 1421 vacuum regulator, 1416B exhaust mist eliminator, plus the GEM pump to connect to a rotary evaporator
Pressure 0.1 torr
Certifications/Compliance CSA
Flow Rate 31L/min.
Shipping Weight (English) 26 lb.
Motor Speed 3450rpm
For Use With (Equipment) Rotary evaporator
Horsepower 0.25hp
Shipping Weight (Metric) 11.8kg
Height (English) 8.4 in.
For Tube Size (Metric) 1cm
Noise Level 50dBA
Weight (Metric) 11.1kg
Electrical Requirements 115V 60Hz
Height (Metric) 21.3cm
Length (English) 14.5 in.
Voltage 115V
Width (English) 5.1 in.
Length (Metric) 36.8cm
Hertz 60Hz