IntroductionThe product references: 2581B-50, 2581B-24, 2518C-24
The Welch Piston Pump WOB-L 2581 is engineered for robust and efficient vacuum performance, ideal for laboratory and industrial applications. Delivery time will be confirmed in the order.
Product overviewThe WOB-L® 2581 dry piston pump is ideal for pumping water vapor and for applications with vacuum requirements above 6.7 mbar. The pump provides continuous, reliable, high-flow vacuum. It is light and compact. Its oil-free operation reduces maintenance. The pump is supplied with an inlet liquid trap, mounted vacuum gauge and vacuum regulator.
Note: pump is not recommended for pumping organic, acidic or basic vapors.
Service / Accessories- Replacement container (Glass) for WOB-L® 2561, 2567, 2581, 2585 – U1415B
- Connection-Kit 5 for Vacuum oven – 404005
- Connection-Kit 6 – 404006
- Maintenance Kit for WOB-L® 2581 – U2581K-03
- Seal Kit for WOB-L® 2581 – U2581K-04
- Vacuum regulator for WOB-L® 2581, 2585 – U2585K-50
- Post-Pump Protection - Exhaust Silencer for WOB-L® 2581 – U1412E
Technical data (table)Article Number | U2581C-50
Max. pumping speed at 50 Hz | 4.9 m³/h (81.7 l/min)
Max. pumping speed at 60 Hz | 6 m³/h (100 l/min)
Max. pumping speed at 60 Hz in cfm | 3.5 cfm (100 l/min)
Ultimate pressure | 6 mbar
Wired for | 230V, 50Hz
Dimensions (W/D/H) | 432 / 191 / 305 mm
Weight | 11.2 kg (24.7 lbs)
*Without handle
Characteristics / technical specifications- Product type: dry piston vacuum pump designed for water vapor handling
- Operation: oil-free (dry) operation, reduced maintenance
- Included items: inlet liquid trap, mounted vacuum gauge, vacuum regulator
- Recommended application range: vacuum needs above 6.7 mbar
- Not recommended for: pumping organic, acidic or basic vapors
- Max. pumping speed (50 Hz): 4.9 m³/h (81.7 l/min)
- Max. pumping speed (60 Hz): 6 m³/h (100 l/min)
- Ultimate pressure: 6 mbar
- Electrical: wired for 230V, 50Hz
- Dimensions (W/D/H): 432 / 191 / 305 mm
- Weight: 11.2 kg (24.7 lbs)