Flapper valve with independent spring action

Details Flapper valve with independent spring action Flapper valve with independent spring action

1975-08-25

1977-02-01

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

F16K 1503

Patent

active

040057321

ABSTRACT:
An improvement in multi-flapper check valves wherein each flapper is urged toward closure by an independent spring or springs, thereby improving the valve response for closure.

REFERENCES:
patent: 303702 (1884-08-01), Carricaburu
patent: 3127148 (1964-03-01), Collar
patent: 3718156 (1973-02-01), Fujii
patent: 3910114 (1975-10-01), Rosaen

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