DHDDouble-acting piston seals with integrated Back-up ring

Double-acting piston seals with integrated Back-up ring. Designed to guarantee excellent resistance in heavy duty applications minimizing the housing spaces, thanks to the integrated anti-extrusion tings allows large diametrical gaps. Particularly suitable for heavy hydraulic applications. Standard materials: PTFE compounds with nitrile rubber energizer and polyacetal resin anti-extrusion rings, also available in different combinations of materials depending on the application requirements.

Seal capabilities

  • Temperature: from -30 to 110 °C
  • Max. pressure: 600 bar
  • Max. speed: 1,5 m/s


reciprocating rotating helical static

This product is interchangeable with:
PDH - PKP - L27 - 735 - KHD - K19 - PHD - MCGT - PDH-P - PDP

Description Ø d Ø D L

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