Valve construction and flow restrictor for use therewith

Details Valve construction and flow restrictor for use therewith Valve construction and flow restrictor for use therewith

1975-04-28

1976-01-27

Rosenthal, Arnold

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 43, 251 30, 138 43, F16K 31385, F16K 3140

Patent

active

039348121

ABSTRACT:
A valve construction for controlling the flow of a fluid therethrough and including a restrictor member that is located in a control chamber and that communicates with the control pilot valve and an interior chamber having access to a pressure responsive diaphragm, the restrictor member providing for sufficient flow of fluid to the interior chamber in relatively large valve sizes to enable the diaphragm to open or close the valve at a reasonable valve closing rate, the closing of the valve being slow enough to prevent the occurrence of water hammer in the system.

REFERENCES:
patent: 1813979 (1931-07-01), West
patent: 2235304 (1941-03-01), Toussaint
patent: 2323115 (1943-06-01), Bryant

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