Kurt J. Lesker Company

- Model EM Series - Compact Pumps

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Made from corrosion-resistant materials, Uses positive pressure oil lubrication

Positive Pressure Oil Lubrication:

These pumps have a well-proven, positive pressure oil lubrication system developed by Edwards to ensure correct lubrication in all operating modes, particularly under high gas loads where oil starvation is a common problem with other pumps.

  • Integral oil pump ensures an adequate oil flow through the stator/rotor assembly at all times
  • Only clean degassed oil is supplied to the high vacuum stage on two-stage pumps
  • System is much less dependent on correct oil levels in the reservoir than other pump designs
  • Pumps can operate with oil levels as low as 50–70% of the maximum fill level (not recommended)

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