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Welch™ Standard-Duty Vacuum Pumps

Compact, economical WOB-L™ pumps for aqueous applications

Manufacturer: welch™  2522B-01

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Catalog No. 01-051-1A

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Description & Specifications


Horsepower 0.12hp
Voltage 115V
Hertz 60Hz
Height (English) 10 in.
Height (Metric) 25.4cm
Width (English) 8.8 in.
Length (English) 8.1 in.
Length (Metric) 20.6cm
Shipping Weight (English) 17 lb.
Shipping Weight (Metric) 7.7kg
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.
Electrical Requirements 115V 60Hz
For Tube Size (English) 0.18 in.
For Tube Size (Metric) 0.5cm
Model 2522
Weight (English) 11.7 lb.
Weight (Metric) 5.3kg
Width (English) Exterior 8.8 in.
Height (English) Exterior 10.1 in.
Length (English) Exterior 8.1 in.

  • Ideal for filtration, vacuum ovens, aspiration and chamber roughing
  • Protect against accidental ingestion
  • Wetted parts resist corrosion from moisture