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CH40 U-ring




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Application Material Profile Standard Hardness
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CH40 U-ring PU
POM BACK-UP-RING
400 -35°C +100°C ≤0.5 CH40 - DIMENSIONS

CH40 is a two-piece single-acting piston seal which consists of asymmetrical profile with pressure-relieving grooves and a thermoplastic back-up ring.

PROFILE
 CH40 - Piston seal
PRODUCT ADVANTAGES
• Superior static and dynamic sealing effect
• Improved sealing gap due to the active back-up ring
• Relief grooves against dynamic pressure
• Easy assembly into the closed groove
• Simple groove design
• Highly wear resistant

APPLICATION
Heavy duty cylinders, scrap cutters and hydraulics

INSTALLATION
Easily assembled into one-piece piston. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation all individual parts of the seal must be oiled with system oil.