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The Hallite 659 is 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 also features a secondary lip that provides a pocket for lubrication as well as the benefits listed below.

For use in single acting applications only, the seal is manufactured in Hallite’s high performance polyurethane Hythane® 181.

Note:  Variations of this seal are available in other sizes, please contact your local Hallite sales office for additional information and technical details.

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