Sealing Solutions

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POLYPAC® 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.

Technical Details

Double-Acting

Helix

Oscillating

Reciprocating

Rotary

Single-Acting

Static

Ø - Range	Pressure Range	Temp. range	Velocity
50-180 mm	40 MPa	-45°C +135°C	1.5 m/s
2 - 7 in	5800 psi	-49°F +275°F	5 ft/s

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

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Hydraulic Seals Catalog

(Metric)

Hydraulic Seals linear inch version complete catalog