Chesterton 7K Piston Seal

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 Chesterton 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. 

Product Features
Positive flared-lip design optimizes sealing forces
Supporting metallic brass disc improves seal performance
Long-life cup will not swell, deform, drag, or bind
Application
Single-Acting Piston Cup with Supporting Brass Disc for Anti-Extrusion Resistance