POLYPAC PHD/CST Seal | Hydraulic Piston Seals | Trelleborg

PHD / CST Seal
A heavy duty compact double-acting piston seal, the POLYPAC® PHD/CST Seal is an elastomer energized PTFE assembly. It gives stability, wear resistance, sealability, low friction and a maintenance-free long life. HiMod® Back-up Rings are specially designed to protect the seal ring from extrusion, even in the most demanding applications. Available in metric and inch sizes.
PHD / CST Seal
Technical Drawing

Technical Details 

  • Reciprocating
  • Oscillating
  • Rotary
  • Helix
  • Static
  • Single acting
  • Double acting

PDF Catalogs

For full engineering information and installation, please use our PDF catalogs