KC Rotary Piston Vacuum Pumps

KC Rotary Piston Vacuum Pumps

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KC Rotary Piston Vacuum Pumps

Kinney® KC™ rotary piston vacuum pumps achieve the lowest possible pressures from mechanical pumps and are recommended for applications where the operating pressure is below 0.1 Torr (0.13 mbar).

With no metal-to-metal contact from the clearances being filled with oil, these two-stage pumps are extremely rugged and reliable. 

Adjustable gas ballast valves are included as standard equipment for handling water and other vapor loads.


  • Evacuating Refrigeration Systems
  • Brake Filling Systems
  • Low Pressure Chemical Vapor Deposition
  • Leak Detection


  • High pumping speed at pressures below 10 microns; much lower than attainable with single stage pumps
  • Flows from 5 – 15 CFM (8 – 25 m³/h)
  • Ultimate Vacuum: 0.2  microns (McLeod Gauge)
  • Adjustable gas ballast permits handling of condensable vapors
  • Oil sealed design provides for no metal-to-metal contac in pumping chamber
  • Unequalled durability, even in dirty applications


KC5, KC8, KC15

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