Rotary Seals

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Rotary Seals for Hydraulic and Pneumatic Applications

Rotary shaft seals are vital components in hydraulic and pneumatic systems that involve rotational movement. These seals prevent fluid or gas leakage while allowing a rotating shaft to move smoothly within a stationary housing. By maintaining pressure and preventing contamination, rotary shaft seals ensure the efficient and reliable operation of rotating machinery.

Common types of rotary shaft seals include:

Materials

Rotary seals are made from a variety of materials, chosen based on the operating conditions and fluid compatibility.

Nitrile Rubber (NBR)

Cost-effective, good resistance to oils and fuels.

Viton (FKM)

High-temperature resistance and excellent chemical compatibility.

Silicone

Good temperature resistance and flexibility.

Polyurethane (PU)

Excellent abrasion and tear resistance.

Applications

Rotary seals are used in a wide range of hydraulic and pneumatic applications

Why Use Rotary Seals?

Leakage Prevention

Rotary seals prevent hydraulic fluid or pneumatic air from leaking out of the system where a rotating shaft interfaces with a stationary component.

Contamination Control

They prevent external contaminants, such as dirt, dust, and moisture, from entering the system, which can damage internal components and reduce performance.