Oil-Less Rotary Vane Pros & Cons

EMSE oil-less rotary vane designs are similar to the lubricated rotary vane pumps, except they are equipped with self-lubricated carbon vanes and do not require any oil for operation.



  • Suitable for a dedicated anesthesia evacuation system
  • Air cooled design
  • No water and sewage costs


  • Can not take a slug of water
  • Much shorter vane life compared with the lubricated pump vanes
  • Lower capacity per horsepower when compared with the other designs

The EMSE Design Guide

The EMSE interactive Design Guide calculates total demand, recommends multiple system designs, calculates intake, exhaust, riser, branch and zone piping sizes--all optimized based on user input. Start designing your system now.

Go to Design Guide