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

Applications

alternativo rotatorio elicoidale statico

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

Operating temperature

min.
max.

Max. Speed

max.

Material type

Search by code

Description Ø d Ø D L
DHD 30x40x8 B40 BN POM 30,00 40,00 8,00 PTFE+Bz/NBR/POM
DHD 30x40x8 PU BN POM 30,00 40,00 8,00 PU/NBR/POM
DHD 40x50x8 B40 BN POM 40,00 50,00 8,00 PTFE+Bz/NBR/POM
DHD 40x50x8 PU BN POM 40,00 50,00 8,00 PU/NBR/POM
DHD 36x50x9 B40 BN POM 36,00 50,00 9,00 PTFE+Bz/NBR/POM
DHD 36x50x9 PU BN POM 36,00 50,00 9,00 PU/NBR/POM
DHD 41x55x9 B40 BN POM 41,00 55,00 9,00 PTFE+Bz/NBR/POM
DHD 41x55x9 PU BN POM 41,00 55,00 9,00 PU/NBR/POM
DHD 50x60x8 B40 BN POM 50,00 60,00 8,00 PTFE+Bz/NBR/POM
DHD 50x60x8 PU BN POM 50,00 60,00 8,00 PU/NBR/POM
DHD 46x60x9 B40 BN POM 46,00 60,00 9,00 PTFE+Bz/NBR/POM
DHD 46x60x9 PU BN POM 46,00 60,00 9,00 PU/NBR/POM
DHD 53x63x8 B40 BN POM 53,00 63,00 8,00 PTFE+Bz/NBR/POM
DHD 53x63x8 PU BN POM 53,00 63,00 8,00 PU/NBR/POM
DHD 48x63x11 B40 BN POM 48,00 63,00 11,00 PTFE+Bz/NBR/POM
DHD 48x63x11 PU BN POM 48,00 63,00 11,00 PU/NBR/POM
DHD 50x65x11 B40 BN POM 50,00 65,00 11,00 PTFE+Bz/NBR/POM
DHD 50x65x11 PU BN POM 50,00 65,00 11,00 PU/NBR/POM
DHD 60x70x8 B40 BN POM 60,00 70,00 8,00 PTFE+Bz/NBR/POM
DHD 60x70x8 PU BN POM 60,00 70,00 8,00 PU/NBR/POM
DHD 55x70x11 B40 BN POM 55,00 70,00 11,00 PTFE+Bz/NBR/POM
DHD 55x70x11 PU BN POM 55,00 70,00 11,00 PU/NBR/POM
DHD 60x75x11 B40 BN POM 60,00 75,00 11,00 PTFE+Bz/NBR/POM
DHD 60x75x11 PU BN POM 60,00 75,00 11,00 PU/NBR/POM
DHD 65x80x11 B40 BN POM 65,00 80,00 11,00 PTFE+Bz/NBR/POM
DHD 65x80x11 PU BN POM 65,00 80,00 11,00 PU/NBR/POM
DHD 65x80x12,5 B40 BN POM 65,00 80,00 12,50 PTFE+Bz/NBR/POM
DHD 65x80x12,5 PU BN POM 65,00 80,00 12,50 PU/NBR/POM
DHD 70x85x11 B40 BN POM 70,00 85,00 11,00 PTFE+Bz/NBR/POM
DHD 70x85x11 PU BN POM 70,00 85,00 11,00 PU/NBR/POM
DHD 75x90x11 B40 BN POM 75,00 90,00 11,00 PTFE+Bz/NBR/POM
DHD 75x90x11 PU BN POM 75,00 90,00 11,00 PU/NBR/POM
DHD 75x90x12,5 B40 BN POM 75,00 90,00 12,50 PTFE+Bz/NBR/POM
DHD 75x90x12,5 PU BN POM 75,00 90,00 12,50 PU/NBR/POM
DHD 80x95x11 B40 BN POM 80,00 95,00 11,00 PTFE+Bz/NBR/POM
DHD 80x95x11 PU BN POM 80,00 95,00 11,00 PU/NBR/POM
DHD 85x100x12,5 B40 BN POM 85,00 100,00 12,50 PTFE+Bz/NBR/POM
DHD 85x100x12,5 PU BN POM 85,00 100,00 12,50 PU/NBR/POM
DHD 90x105x12,5 B40 BN POM 90,00 105,00 12,50 PTFE+Bz/NBR/POM
DHD 90x105x12,5 PU BN POM 90,00 105,00 12,50 PU/NBR/POM
DHD 90x105x13,5 B40 BN POM 90,00 105,00 13,50 PTFE+Bz/NBR/POM
DHD 88x105x14 B40 BN POM 88,00 105,00 14,00 PTFE+Bz/NBR/POM
DHD 90x105x14 B40 BN POM 90,00 105,00 14,00 PTFE+Bz/NBR/POM
DHD 95x110x12,5 B40 BN POM 95,00 110,00 12,50 PTFE+Bz/NBR/POM
DHD 95x110x12,5 PU BN POM 95,00 110,00 12,50 PU/NBR/POM
DHD 100x115x12,5 PU BN POM 100,00 115,00 12,50 PU/NBR/POM
DHD 100x115x12,5 B40 BN POM 100,00 115,00 12,50 PTFE+Bz/NBR/POM
DHD 105x120x12,5 B40 BN POM 105,00 120,00 12,50 PTFE+Bz/NBR/POM
DHD 105x120x12,5 PU BN POM 105,00 120,00 12,50 PU/NBR/POM
DHD 110x125x12,5 B40 BN POM 110,00 125,00 12,50 PTFE+Bz/NBR/POM

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