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Item# 2522B-01, 2522C-02

Welch Piston Pump WOB-L 2522 offers reliable and efficient vacuum capabilities with oil-free performance. Explore the full range of WOB-L Piston Pumps on our product category page.

Delivery time will be confirmed in the order

WOB-L® 2522 dry piston pumps are a reliable partners for physical applications, notably with aqueous solutions. Being a vacuum pump and compressor, they can be used for a wide variety of applications such as filtration, gas sampling, vacuum drying, desiccation and automation technology. The integrated vacuum and pressure gauges and regulators allow the pressure to be continuously monitored and adjusted. The pump is protected by an inlet liquid trap with automatic flow stop.

For use with dry or aqueous vapor applications only.

Advantages:

  • oil free
  • easy to clean
  • easy maintenance
  • easy handling and control features
  • robust construction

Want to learn more? Check our Owner Manual Page for WOB-L Piston Pumps 

Article Number

U2522C-02

Max. pumping speed at 50 Hz in m³/h (l/min)

1.1 (18.3)

Max pumping speed at 60 Hz in m³/h (l/min)

0.76 (22)

Max. pumping speed at 60 Hz in cfm (l/min)

0.76 (22)

Ultimate pressure in mbar (Torr)

133

Wired for

230V, 50Hz

Dimensions (W/D/H) in mm

206/224/254

Weight kg (lbs)

5.3 (11.7)

  • Hydrophobic in-line filter and hose DN 6 / DN 8 - 404008
  • Maintenance Kit for WOB-L® 2522 - U2522K-03
  • Seal Kit for WOB-L® 2522 - U2522K-04
  • Vacuum regulator for WOB-L® 2522, 2534, 2546 - U2522K-05
  • Pressure regulator for WOB-L® 2522, 2534, 2546 - U2522K-06
  • Ersatzbehälter aus Kunststoff für WOB-L® 2522, 2534, 2546 - U1415C
  • Pressure Filtration -Kit - 404009