22K Rod and Piston Seal
The Chesterton 22K is a robust, continuous seal designed for demanding rod and piston applications in hydraulic and pneumatic systems. Its advanced dual-lip U-cup profile delivers effective sealing in both directions, resisting fluid leakage and extrusion even under high pressure. Made from durable engineered polymers, it offers long-lasting performance across a wide range of pressures, temperatures, and operating speeds.
With a continuous one-piece construction, the 22K is easy to install, eliminating seams that can lead to leaks. It is available in standard ISO and DIN dimensions and custom sizes to fit a variety of cylinder and piston configurations. This makes it a dependable choice for heavy-duty equipment where reliable sealing, minimal maintenance, and operational efficiency are essential.
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Product Features
✔ Single-acting, U-Cup design, zero leakage throughout the entire operating range
✔ Abrasion-resistant design, excellent performance in hydraulic applications
✔ Lip geometry stabilizes seal to prevent twisting and eases installation
✔ Application-specific solutions, including anti-extrusion ring, energizer, and dynamic/static lip designs
Technical Data ↓
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-60 °F ( -50 °C )
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185 °F ( 85 °C )
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0.9 m/s ( 185 fpm )
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Temperature and pressure for AWC800 material