PSD Pneumatic Seal Sakagami

Sakagami seal |  Pneumatic Seal  |  Piston Seal

PSD Seal

PSD-packings are the world best selling double-acting pneumatic piston packings.
The profile of the PSD-packings is compact and designed to provide outstanding friction properties. Unlike O-rings, PSD- packings resist twisting or rolling.


  • Basic cylinders
  • Miniature cylinders
  • Thin type cylinders
  • Consider adopting divided grooves if the one-piece groove is technically adverse.
  • φD H9/f8 would be modified according to the variation of the bearing structure.
  • For applications installed together with wear rings, refer to the dimension table of the applicable wear ring.For information on preferred values of surface finish(roughness)

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pneumatic seal, PSD Seal