Swing check valve

Details Swing check valve Swing check valve

1976-10-12

1979-02-27

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

1375274, F16K 1503

Patent

active

041413814

ABSTRACT:
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 swingable between open and closed positions. The disc is supported by a high strength wire secured at one end in a support 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.

REFERENCES:
patent: 1294003 (1919-02-01), Weaver
patent: 1982189 (1934-11-01), Anderson
patent: 2504006 (1950-04-01), Davis
patent: 2717001 (1955-09-01), Perrault
patent: 3613720 (1971-10-01), Welch

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