Leybold SOGEVAC FP oil sealed rotary vane pump should run with LVO140 or 150, or an equivalent oil approved by Leybold that meets these requirements:
- low vapor pressure, when at high temperatures;
- flat viscosity curve;
- minimum water content and absorption;
- good lubricating properties; and
- resistant to aging under mechanical strain
When using other oil brands, employ low doped, non-detergent mineral oils of viscosity class ISO VG 32 or 68. Using the other special-grade lubricants for specific applications is possible. Only use lubricants which have been fully qualified by Leybold.