Pfeiffer Vacuum

UnoLine Plus

Single-stage Rotary Vane Pumps - Pfeiffer Vacuum

A Rugged Rotary Vane Pump. For Harshest Industrial Use.

The UnoLine Plus is an optimum solution for industrial applications. This rotary vane pump has a proven track record as both a stand-alone pump and as a backing pump for Pfeiffer Vacuum Roots pumps.

This is a water-cooled pump that is extremely resistant to dust and dirt. It is equipped with an oil regeneration system. This enables condensate, dirt and dust particles to be removed from the operating fluid, collected in the vapour separator and then drained. The adjustable cooling water regulating valve keeps the UnoLine Plus at the required operating temperature. The pumps are equipped with a gas ballast system for pumping off vapours.

The Workhorse for Industrial Vacuum Applications.

Customer benefits

  • Rugged and long-lasting
  • Resistant to dust and dirt
  • Bearings located outside pumping cavity
  • Extremely low speed
  • Very high water-vapor compatibility
  • Cooling water controller for ideal temperature control


  • Transformer drying
  • Cable drying
  • Oil recovery
  • Metallurgy
  • Coating
  • Chemistry and process technology
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Headquarters postal address

Pfeiffer Vacuum GmbH
Berliner Strasse 43
35614 Asslar

P.O. Box

Pfeiffer Vacuum GmbH
Postfach 1280
35608 Asslar

T +49 6441 802-0
F +49 6441 802-1202

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