Pfeiffer Vacuum UnoLine Plus series
The Pfeiffer Vacuum UnoLine Plus series consists of the model UnoLine BA 501 with a nominal pumping speed of 500 m³/h (50 Hz) and an ultimate pressure of 0.06 mbar.
Ehrler & Beck supplies the pumps of this series as well as spare parts and accessories, and takes care of service and repair.
Key figures of the series
Products of the Pfeiffer Vacuum UnoLine Plus series
Operating principle
Rotary vane technology allows vacuum pumps of a technically simple design. A consistently high vacuum level in continuous operation is ensured by the circulating oil lubrication, perfectly matched materials and modern, precise manufacturing techniques. The oil separator with integrated oil return provides clean, oil-free exhaust air. A further advantage over other technologies is the low purchase cost.
More about how they work: oil-lubricated rotary vane vacuum pumps
Features of the series
- Powerful: very high water vapour tolerance of 14,000 g/h, designed for high gas ballast flows
- Robust: oil conditioning unit, easy draining of condensate
- Reliable: separate oil chambers for bearings and pump chamber, so there is no effect on bearing life
Manufacturer’s data as given in the product descriptions of the individual models.
Advice and service
Ehrler & Beck advises you on selecting the right model, supplies accessories and spare parts and takes care of maintenance and repair. Get in touch with us.








