F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/127
F16K 17/04 (2006.01)
Patent
CA 1262225
ABSTRACT OF THE DISCLOSURE A valve assembly for the control of pressurized fluids. The assembly comprises a casing housing a valve chamber with communicating inlet and outlet ports. A valve seat and valve- operating subassembly is associated with one of the ports. The valve-operating subassembly comprises a valve body threaded into the casing adjacent the valve seat. The valve body has an axial bore which receives a headed shaft having a seal washer mounted on its head in separable engagement with the valve seat. Resilient means, e.g. a coil spring, urges the washer in the direction of engagement with the valve seat with a force less than the force of the pressurized fluid introduced into the chamber. The shaft and/or seal washer preferably are mounted for free rotation to minimize scuffing of the washer during operation of the valve. The casing preferably comprises a manifold having two or more outlet ports with a valve-operating subassembly associated with at least one of them to prevent contamination of fluid discharged therethrough with foreign materials inadvertently introduced into the valve chamber.
517848
Gowling Lafleur Henderson Llp
Precision Plumbing Products Inc.
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