Flow control valve

Details Flow control valve Flow control valve

1976-12-10

1978-02-14

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

91443, 137599, F16K 1514

Patent

active

040733114

ABSTRACT:
A bi-directional valve for unrestricted flow in one direction and a regulable restriction for flow control in the other direction which includes an in-line housing and a two-piece valve assembly transversely positioned in said housing having a valve seat in one portion, a valve to control said valve seat opening in another portion, and a ring by-pass valve on one of said portions cooperating with an annular seat on said housing, the by-pass valve being flexible to respond to fluid flow, closing in one direction against the annular seat and moving away from said annular seat when the flow is reversed.

REFERENCES:
patent: 1746855 (1930-02-01), French
patent: 3493270 (1970-02-01), Doerfler

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