Laboratory vacuum pump WOB-L® Piston Pump 2561

pistonportableoil-free

Overview
The WOB-L® 2561 is a dry (oil-free) piston pump engineered for vapor-rich applications such as vacuum ovens and gas sampling where vacuum requirements are above 10 mbar. It delivers continuous, high-flow vacuum in a compact and lightweight package. Delivery time is confirmed at order placement.

Item number
Item# 2561B-50

Key features

• Dry piston (oil-free) operation to avoid oil contamination
• Optimized for pumping water vapor and vapor-rich environments
• Compact, lightweight design for easy installation
• Includes inlet liquid trap, mounted vacuum gauge and vacuum regulator
• Not recommended for aggressive organic, acidic or basic vapors

Included / standard items

• Inlet liquid trap
• Mounted vacuum gauge
• Vacuum regulator

Technical data
Article Number: U2561C-50
Max. pumping speed at 50 Hz: 3.3 m³/h (55 l/min)
Max. pumping speed at 60 Hz: 4 m³/h (66 l/min) / 2.3 cfm (66 l/min)
Ultimate pressure: 10 mbar (7.5 Torr)
Electrical configuration: wired for 230V, 50Hz
Dimensions (W/D/H): 439 / 165 / 267 mm
Weight: 7.4 kg (16.3 lbs)
Applications: vacuum ovens, sampling processes, vapor-rich environments (avoid aggressive vapors)

Service / Accessories (examples)

• Hydrophobic in-line filter and hose DN6 / DN8 - 404008
• Maintenance Kit for WOB-L® 2561 - U2563K-03
• Seal Kit for WOB-L® 2561, 2567 - U2567K-04
• Vacuum regulator for WOB-L® 2561, 2563, 2567 - U2565K-50
• Post-pump protection: Exhaust Silencer for WOB-L® 2561 - U1412D
• Replacement container (glass) for WOB-L® 2561, 2567, 2581, 2585 - U1415B
• Connection kits for vacuum oven (examples: 404005, 404006)