Swing check valve with secured cartridge

Details Swing check valve with secured cartridge Swing check valve with secured cartridge

1988-12-20

1989-08-01

Nilson, Robert G.

Fluid handling

With repair, tapping, assembly, or disassembly means

With holding means functioning only during transportation...

137327, 1375157, 1375278, F16K 1503

Patent

active

048526037

ABSTRACT:
A swing check valve for use between flanges wherein the valve seat and cage for the valve disc extend from the upstream to the downstream ends of the valve body. Cooperating shoulders are provided in the valve body and the member forming the seat and cage to prevent upstream movement of these members in the valve body, and downstream movement is prevented by plate-like members fitting in recesses in the cage portion and the valve body bore.

REFERENCES:
patent: 3933173 (1976-01-01), Kajita
patent: 3937441 (1976-02-01), Baumann
patent: 4201241 (1980-05-01), Schertler
patent: 4586534 (1986-05-01), McNeely
Publication: Gray Tool Company, Graychek, May 1971.

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