Check valve hanger mechanism

Details Check valve hanger mechanism Check valve hanger mechanism

1988-01-04

1989-06-27

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

F16K 1503

Patent

active

048420140

ABSTRACT:
The invention disclosed herein relates to a check valve clapper hanger mechanism from which a check valve clapper may be rotatably suspended in a check valve housing. The check valve clapper hanger mechanism is easily removable from the check valve housing and is capable of maintaining proper alignment of the clapper during normal operation of the check valve.

REFERENCES:
patent: Re10487 (1884-06-01), Blessing
patent: 325289 (1885-09-01), VanWie
patent: 345420 (1886-07-01), Eskholme
patent: 1561395 (1925-11-01), Adams
patent: 1839683 (1932-01-01), Laskowitz
patent: 2918934 (1959-12-01), Wheatley
patent: 2923317 (1960-02-01), McInerney
patent: 3060961 (1962-10-01), Conley
patent: 3366137 (1968-01-01), Hansen
patent: 4223697 (1980-09-01), Pendleton

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