Sakagami PPD Pneumatic Seal

Sakagami seal|  Pneumatic Seal | Piston Seal

Sakagami PPD Pneumatic Seal

PPD-packings are double-acting piston packings compatible with the grooves for the PSD-packings. The sealing performance of PPD-packings sustains unchanged despite large eccentric movement of the pistons. Moderate durability and fair friction characteristics.


  • Basic cylinders
  • Miniature cylinders
  • Thin type cylinders
  • Cylinders for specific requirements
  • 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 applications with bar diameterφ40 and smaller sizes, the tolerance of G dimension is altered to achieve better performance
  • For information on preferred values of surface finish (roughness)

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pneumatic seal, PPD Seal