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Welch™ Standard-Duty Vacuum Pumps

Compact, economical WOB-L™ pumps for aqueous applications

Manufacturer: welch™  2546B01

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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. 01-258-11

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Description & Specifications


Model 2546
Height (English) Exterior 9 in.
Weight (English) 13.8 lb.
For Tube Size (English) 0.18 in.
Flow Rate 45L/min.
Includes Liquid trap on inlet, vacuum gauge and adjustment knob, exhaust muffler, suction cup feet and handles for convenient transportation
Width (English) 7.5 in.
Shipping Weight (Metric) 7.7kg
Height (English) 9 in.
For Tube Size (Metric) 0.5cm
Length (English) Exterior 10 in.
Weight (Metric) 6.3kg
Width (English) Exterior 7.5 in.
Electrical Requirements 115V 60Hz
Certifications/Compliance CE
Pressure 100psi
Horsepower 0.25hp
Shipping Weight (English) 17 lb.
Length (English) 10 in.
Height (Metric) 22.9cm
Voltage 115V
Length (Metric) 25.4cm
Hertz 60Hz