Oil for Vacuum Pumps (Rotary Vane, General)

Selection inputs for vacuum pump oils, emphasizing low vapor pressure, oxidation stability, and correct viscosity per pump design.

This page lists neutral selection inputs. Confirm equipment manufacturer specifications before selecting a lubricant.

Operating Conditions

Operating Parameter Typical Range/Value
Pump Type Rotary vane (common); confirm OEM spec
Temperature Heat affects vapor pressure and oxidation
Contamination Process vapors/water can contaminate oil
Maintenance Regular oil changes; filtration varies

Required Lubricant Properties

Required Property Specification
Low Vapor Pressure Important to maintain vacuum level
Viscosity Per OEM; often ISO VG 68/100 depending on pump
Oxidation Stability Resist sludge/varnish
Water Handling Consider demulsibility or handling for condensate

Availability

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Sources

  • OEM manuals
  • Manufacturer documentation

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