Welch™ Standard-Duty Vacuum Pumps

Compact, economical WOB-L™ pumps for aqueous applications

Manufacturer: Welch™ 2511B01

 View more versions of this product

Catalog No. 01-055-60

  Check Availability
Add to Cart


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.


    Width (English) 4.5 in.
    Includes Liquid trap on inlet, vacuum gauge and adjustment knob, exhaust muffler, suction cup feet and handles for convenient transportation
    Pressure 33psi
    Certifications/Compliance CE
    Flow Rate 11L/min.
    For Tube Size (English) 0.18 in.
    For Tube Size (Metric) 0.5cm
    Model 2511
    Weight (English) 5 lb.
    Width (English) Exterior 4.5 in.
    Height (English) 7.5 in.
    Height (Metric) 19.1cm
    Length (English) 7.6 in.
    Length (Metric) 19.4cm
    Shipping Weight (English) 6 lb.
    Shipping Weight (Metric) 2.7kg
    Horsepower 0.03hp
    Voltage 115V
    Electrical Requirements 115V 60Hz
    Height (English) Exterior 7.5 in.
    Length (English) Exterior 7.6 in.
    Weight (Metric) 2.3kg
    Hertz 60Hz

  • Description & Specifications

Related Products

Product Content Feedback

We continue to work to improve your shopping experience and your feedback regarding this content is very important to us. Please use the form below to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Cancel Submit