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Welch™ Standard-Duty Vacuum Pumps

Compact, economical WOB-L™ pumps for aqueous applications

Manufacturer: welch™  2522B01

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May be used with buffer solutions but are not recommended for use with acids, bases or organic vapors.

Products in this grouping may have voltages other than the standard US 110/115V. Please review and confirm your selection before completing your order. Some of these products may not be returned.

Catalog No. 01-051-1A

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Description & Specifications


Model 2522
Weight (English) 11.7 lb.
Width (English) Exterior 8.8 in.
Height (Metric) 25.4cm
Width (English) 8.8 in.
Length (English) 8.1 in.
Includes Liquid trap on inlet, vacuum gauge and adjustment knob, exhaust muffler, suction cup feet and handles for convenient transportation
Pressure 100psi
Certifications/Compliance CE
Flow Rate 22L/min.
For Tube Size (English) 0.18 in.
For Tube Size (Metric) 0.5cm
Height (English) Exterior 10.1 in.
Weight (Metric) 5.3kg
Height (English) 10 in.
Length (Metric) 20.6cm
Shipping Weight (English) 17 lb.
Shipping Weight (Metric) 7.7kg
Horsepower 0.12hp
Voltage 115V
Hertz 60Hz
Electrical Requirements 115V 60Hz
Length (English) Exterior 8.1 in.