O-Rings are essential sealing components in hydraulic and pneumatic systems, preventing fluid or air leakage under high pressure and dynamic conditions. Selecting the right O-Ring ensures system efficiency, longevity, and safety.

Material

Temperature Range (°C)

Key Properties

Applications

NBR

-40 to +120

Excellent oil & fuel resistance

General hydraulics, pneumatics

FKM

-20 to +200

High chemical & heat resistance

High-temp hydraulic fluids

EPDM

-50 to +150

Steam, water, and weather resistance

Pneumatic systems, brake fluids

Silicone

-60 to +230

Extreme temperature flexibility

Low-pressure pneumatic applications

PU

-30 to +100

High wear resistance, toughness

Hydraulic cylinders, mobile systems


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