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The KB19 seal is primarily intended for dynamic applications where reciprocating movement is present but can also be used in static applications where large gland tolerances exist or where there is a need for higher deflection due to expansion caused by high pressure duty. The seal consists of a U-shaped jacket and a cantilever spring both of which can be tailored to suit both high-temperature and conditions where good chemical compatibility is required.

The design of the cantilever spring places the spring load at the front of the sealing lip making the CSE series an excellent option should a scraper lip be required for abrasive media sealing.

It is designed for non-standard groove sizes in repair situations.