Product Introduction
DEF Seals offers the most comprehensive range of hydraulic piston seals in the market today.?Our hydraulic piston seal profiles are available for both uni-directional and bi-directional applications. When combined with wear rings,DEF piston seals have proven to provide long life and leak free performance.

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Application Range
Pressure [MPa] 60
Temperature [° C] -45...+200
Sliding speed[m/s] 15
Medium: Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others.?

Material
O ring and X ring?NBR / FKM (Special on request) ?
Slide ring: PTFE-Bronze / PTFE-carbon
(Special on request)?
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Application
Piston Accumulators??
Standard cylinders????????
Presses

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