Oil for Rotary Vane Vacuum Pumps

Selection inputs for vacuum pump oil, focusing on vapor pressure, oxidation stability, and compatibility with process gases.

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

Operating Conditions

Operating Parameter Typical Range/Value
Vacuum Level Higher vacuum requires lower vapor pressure oil
Contaminants Moisture/solvents can degrade oil; consider gas ballast usage
Temperature Continuous operation heats oil; oxidation resistance important

Required Lubricant Properties

Required Property Specification
Low Vapor Pressure Supports target vacuum level
Oxidation Stability Resists varnish and thickening
Demulsibility Separates water where applicable

Availability

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Sources

  • Pump manufacturer guidance (overview)
  • Vacuum oil datasheets (overview)

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