Sealing system for parallel plate sliding valve comprises flexible gasket on shut-off plate which is mounted in sealing ring with extension having channel connecting it to annular channel in valve casing

摘要

The sealing system for a parallel plate sliding valve comprises a flexible gasket (13) fitted on the shut-off plate (4). This is mounted in a sealing ring (7) with an extension (14) which has a channel (10) connecting it to an annular channel (8) in the valve casing (1).