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Welch WOB-L System 2511

MFR: Welch Vacuum - Gardner Denver

SKU: 2511B-75

1 Year Limited Warranty


Some exclusions may apply.
The following are excluded from this offer:
  • Item(s) that are marked "Ships Separately" on the listing.
  • Hazardous Materials (Alcohols, Lab Chemicals, Butane/Propane, and Cleaning Solvents)
  • Item(s) that BVV™️️️️ recommends ship via Freight (LTL or FTL) due to size/fragility.
  • Large orders and/or combined order weight over 60lbs ship via Freight (LTL or FTL)

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Description - Click to Expand

Welch WOB-L System 2511

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


Product Details

Use this easy system to collect waste into 1.2 Liter autoclaveable collection receiver. Includes vacuum measurement and regulation. Reservoirs are protected from overflow by float valve; inlet line hydrophobic filter further protects pump. Vacuum Pump is reliable WOB-L piston pump, perfect for aqueous vapors, buffer, and mild bleach solutions . Not for use with organic solvents / acids / bases.


Model Number 2511
Applications Solution aspiration / collection; vacuum filtra
Type Laboratory Vacuum Pump
Free Air Displacement cfm (l/min.) @60Hz 0.39(11)
Free Air Displacement m3/hr (l/min.) @50Hz 0.55(9.2)
Ultimate Pressure 219(292)
Maximum Vacuum 21.3
Max Pressure PSIG (pascal) 33(3.3 x 105)
Motor Horsepower (watts) 1/30(25)
Tubing Needed 3/16(5)
Intake Thread NPT 3/16 in. Hose
Overall Dimensions LxWxH in. (cm) 7.6x4.5x7.5 (19.4x11.4x19.1)
Ship Weight 11.0(5)

Shipping Dimensions LxWxH in.


11" x 7" x 7"