rotary vane vacuum pump / lubricated / two-stage
Duo 11 ATEX Pfeiffer Vacuum



  • Technology:

    rotary vane

  • Lubrication:


  • Number of stages:


  • Flow rate:

    Min.: 9 m³/h (317.83 ft³/h)

    Max.: 10.5 m³/h (370.8 ft³/h)

  • Ultimate vacuum:

    Min.: 0.03 mbar (0 psi)

    Max.: 0.03 mbar (0 psi)


Duo 11 ATEX, 3-phase Motor, 230/400 V, 50 Hz/265/460 V, 60 Hz

Dual-stage, high-performance rotary vane pump with a pumping speed of 9 m3/h at 50 Hz/10.5 m3/h at 60 Hz
Pump is hermetically sealed thanks to magnetic coupling. No zone entrainment of hazardous gases
With 3-phase ATEX-motor
Integrated gas ballast and safety valve
For all low and medium vacuum applications
Explosion safety due to reliable design–installation without additional flame arrester possible
Note: For the operation of the pumps, the terms of the operating instructions apply. We are pleased to provide you with the right solution for your application!
Working conditions: Pump is inside and outside suitable for operation in equipment class II, equipment category 3(G) for gases and vapors of explosion class IIA to IIC, temperature class T4 according directive 2014/34/EU
M = Magnetically coupled

Other Pfeiffer Vacuum products

Rotary Vane Pumps