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Rotary seals are designed to seal the pressurized fluid against the atmosphere, preventing leakage and pollution of the environment or to transfer liquids and/or gases from a stationary part into or out of rotating machinery.


  • The profile is designed with interference on the OD which provides a good static fit, preventing the entry of humidity and other contamination via the outside diameter.
  • Additional dust lip for preventing the sealing lip of dirt.
  • Tight seat in the housing and an additional retainer ring in hard plastic or Aluminum/Steel ensures that the seal is held in place.
  • Tension spring for increasing the bonding force.
  • Not suitable for high pressure from the trailing side.


Pumps, electric motors, swiveling cylinders, etc.

Max. pressure 0.5 bar, max. speed: PU/POM 5 m/s; NBR/POM 10m/s; FKM/PTFE 25m/s.


Press-in installation; separate installation of retainer ring and elastomer part possible.