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PU Piston U-Seals

Our Heavy Duty High Performance Polyurethane Piston U-Cup an asymmetric piston seal designed to offer effective bore sealing in a wide variety of applications. The outer dynamic lip is shorter and more robust to provide improved sealing and compression set characteristics over conventional U-rings. The seal can be used by itself as a single acting seal or fitted back to back in seperate grooves for double acting applications.

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