Please login to your online account to display your discounted pricing

Welch™ Standard-Duty Vacuum Pumps

Compact, economical WOB-L™ pumps for aqueous applications

Manufacturer: welch™  2511B-01

 View more versions of this product

Catalog No. 01-055-60

  • / Each

Description & Specifications


Horsepower 0.03hp
Voltage 115V
Hertz 60Hz
Height (English) 7.5 in.
Height (Metric) 19.1cm
Width (English) 4.5 in.
Length (English) 7.6 in.
Length (Metric) 19.4cm
Shipping Weight (English) 6 lb.
Shipping Weight (Metric) 2.7kg
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.
Electrical Requirements 115V 60Hz
For Tube Size (English) 0.18 in.
For Tube Size (Metric) 0.5cm
Model 2511
Weight (English) 5 lb.
Weight (Metric) 2.3kg
Width (English) Exterior 4.5 in.
Height (English) Exterior 7.5 in.
Length (English) Exterior 7.6 in.

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