single-acting piston cup with supporting brass disc
Chesterton® 7K is a single acting, piston cup with a positive, flared lip design to optimize sealing forces. Each seal is individually manufactured and provides excellent performance in for use in hydraulic and pneumatic applications. The 7K compression molded design is supplied with a supporting metallic brass disc, molded into the base of the seal to improve seal performance. The rigid base provides a stable, non-distorting, anti-extrusion resistant seal.