Check valve

Details Check valve Check valve

1975-05-21

1977-10-18

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

1375272, 1375278, 251360, F16K 1503

Patent

active

040541533

ABSTRACT:
A check valve comprising a sectional valve body adapted to be interposed in a flow line, a valve seat provided in one body portion, a pivotal clapper member movable toward and away from said valve seat to provide alternate open and closed positions for the valve and hanger means provided in the body including means for urging the clapper toward a normal closed position against the valve seat.

REFERENCES:
patent: 2928416 (1960-03-01), Balhouse
patent: 3144045 (1964-08-01), Fitzpatrick
patent: 3144876 (1964-08-01), Frye
patent: 3260252 (1966-07-01), Morris
patent: 3565099 (1971-02-01), Huber

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