Welch WOB-L Pump 2581
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Manufacturer: Welch Vacuum - Gardner Denver

Welch WOB-L Pump 2581

SKU: 2581B-50

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Price Match

Welch-L Pump 2581

***Note: This item has a possible 1-2 week lead time depending on stock availability.***

Product Details

  • Economical
  • Oil Free
  • Adjustable Vacuum


Reliable WOB-L Piston pump is perfect for many common laboratory vacuum applications. Features: Vacuum to 5 Torr (29.8"Hg). Includes Vacuum Regulator and Gauge - simple to adjust and monitor vacuum level. Inlet Water Trap - float ball rises to seal off pump from accidental ingestion of water. Muffler quiets pump and filters discharge air. For use with dry or aqueous vapor applications only.



Model 2581
Free Air Displacement @ 60 Hz, cfm (L/min) 3.5 (100)
Ultimate Pressure, torr 5
Motor Power, HP (kW) at 60 Hz 1/3 (0.25)
Inlet (Exhaust) Connection Thread NPT 3/8
Tubing Needed, I.D. in. (mm) 1/4 (7)
Weight, lbs (kg) 24.5 (11.1)
Dimensions, LxWxH, in (mm) 17x7.5x12 (430x420x190)
115V Order Number 2581B-50 / 2581B-24