Pressure-actuated valve

Details Pressure-actuated valve Pressure-actuated valve

1989-10-10

1993-05-25

Rosenthal, Arnold

Fluid handling

Processes

137269, 137244, 251 3002, 251 43, F16K 31385, F16K 3140

Patent

active

052131246

ABSTRACT:
A pressure actuated valve having a diaphragm assembly for receiving any one of a plurality of interchangeable restrictor elements of varying passageway diameter for changing the rate of valve closure and for servicing clogged passageways is disclosed. The valve employs a restrictor element having a selected inlet port diameter with a metering pin slidably mounted therethrough. The diaphragm assembly provides a slidable mounting for the restrictor element to enhance the cleaning action of the metering pin. A method of adjusting the rate of valve closure and servicing clogged or worn restricted inlet ports in such valves is also disclosed.

REFERENCES:
patent: 3112094 (1963-11-01), Nees et al.
patent: 3367621 (1968-02-01), Griswold
patent: 3459403 (1969-08-01), Royer
patent: 3556464 (1971-01-01), Griswold
patent: 3741242 (1973-06-01), Hansen et al.
patent: 4105186 (1978-08-01), Eby
patent: 4135696 (1979-01-01), Saarem et al.
patent: 4206901 (1980-06-01), Williams

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