Piston seal types

Wiper seal

To build up pressure in the piston chamber, piston seals seal the piston against the cylinder barrel. Due to the wide range of requirements in hydraulic applications (such as pressure, pressure peaks, sliding speeds, temperatures, and process media) choosing the right piston seal is very important. The Dichtomatik product brand portfolio offers a wide range of elastomer and thermoplastic seals, such as the K, KK, KNA, KPOR, or N series. The piston seals are used for hydraulic cylinders in mobile hydraulics, agricultural machinery, construction machinery and presses.

Piston seals have the function of sealing the piston against the cylinder tube to ensure a pressure buildup in the piston chamber. Here the sealing material and the profile of the piston seal must be selected on the basis of the application and the conditions of use.

Piston Seal additive

Important note: Dichtomatik products comply with common industrial standards and therefore are suitable for many applications excluding safety-critical ones like Automotive. Premium Freudenberg products are the right choice for all applications ensuring highest quality and safety standards and therefore optimal total cost of ownership.

Premium products and individual sealing solutions of the Freudenberg brand are the perfect choice for any application. Uncompromising quality (0-defect strategy) and excellent performance ensure full safety and optimized total cost of ownership (TCO).

With the Freudenberg Sealing Technologies Product Catalog, you find the right part for your application in no time at all.

Visit the Freudenberg Sealing Technologies Product Catalog for more information on available dimensions, materials, CAD models and more.

Pneumatic piston seal

Rod seal

Dimensions: 76.15 x 34.98 x 17.46 mmOriginally, the bearing 55713 was not self lubricating. Here, Series Forever offers a quality ride and self lubricated.

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Dimensions: 76.15 x 34.98 x 17.46 mmOriginally, the bearing 55713 was not self lubricating. Here, Series Forever offers a quality ride and self lubricated.

Information about sealing solutions for hydraulic applications, which are mainly used to seal reciprocating moving components.