HIGH-PRESSURE, HEMI-WEDGE CARTRIDGE VALVE

摘要

A valve having a cartridge that fits within the valve housing and that may b e replaced without removing the valve housing from adjoining equipment. The cartridge contains a wedge having curved surfaces and a driver to rotate the wedge from an open to a closed position. When the wedge rotates to the close d position a seal is formed on the convex surface of the wedge and a sealing assembly is moved to form a seal around the outlet of the valve housing.