Flow control valve with a non-rising stem

Details Flow control valve with a non-rising stem Flow control valve with a non-rising stem

1981-02-09

1983-05-03

Nilson, Robert G.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

91443, 251266, F16K 1502

Patent

active

043817971

ABSTRACT:
A fluid flow control valve having an upstream port and a downstream port interconnected by a single flow path. An adjustable fluid flow control valve is mounted in said flow path for providing a meter out action on pressurized fluid flowing through said flow path from said downstream port to said upstream port. The fluid flow control valve has a non-rising stem. A check valve is mounted in said flow path in parallel with said fluid flow control valve and operative to allow a free flow of fluid when fluid flows from the upstream port to the downstream port.

REFERENCES:
patent: 2722236 (1955-11-01), Zee
patent: 3085592 (1963-04-01), Zajac
patent: 3289694 (1966-12-01), Frye
patent: 3349796 (1967-10-01), Scholin
patent: 3686092 (1972-08-01), Stehlin
patent: 4147179 (1979-04-01), Miura

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