Swing check valve

F - Mech Eng,Light,Heat,Weapons – 16 – K

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137/61

F16K 15/03 (2006.01) G21D 1/02 (2006.01)

Patent

CA 1091129

SWING CHECK VALVE ABSTRACT OF THE DISCLOSURE A swing check valve which includes a valve body having an inlet and outlet. A recess in the valve body designed to hold a seal ring and a check valve disc swing- able between open and closed positions. The disc is sup- ported by a high strength wire secured at one end in a sup- port spacer pinned through bearing blocks fixed to the valve body and at its other end in a groove formed on the outer peripheral surface of the disc. The parts are designed and chosen such to provide a lightweight valve disc which is held open by minimum velocity of fluid flowing through the valve which thus reduces oscillations and accompanying wear of bearings supporting the valve operating parts.

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