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Welch™ Standard-Duty Vacuum Pumps

Compact, economical WOB-L™ pumps for aqueous applications

Manufacturer: welch™  2546B-01

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Catalog No. 01-258-11

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Description & Specifications


Horsepower 0.25hp
Voltage 115V
Hertz 60Hz
Height (English) 9 in.
Height (Metric) 22.9cm
Width (English) 7.5 in.
Length (English) 10 in.
Length (Metric) 25.4cm
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 45L/min.
Electrical Requirements 115V 60Hz
For Tube Size (English) 0.18 in.
For Tube Size (Metric) 0.5cm
Model 2546
Weight (English) 13.8 lb.
Weight (Metric) 6.3kg
Width (English) Exterior 7.5 in.
Height (English) Exterior 9 in.
Length (English) Exterior 10 in.

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