Insert for movable diaphragm type flow control valve

Details Insert for movable diaphragm type flow control valve Insert for movable diaphragm type flow control valve

1974-12-09

1976-05-25

Nilson, Robert G.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

137517, F16K 1502

Patent

active

039586030

ABSTRACT:
A movable diaphragm liquid flow control valve in which a retaining member is disposed in the housing upstream of the diaphragm so that when a back-flow occurs the diaphragm is prevented from blowing back along the pipework, within which the valve is disposed, and is guided to prevent it from tilting.

REFERENCES:
patent: 1077415 (1913-11-01), Massey
patent: 1604487 (1926-10-01), Scovel, Jr.
patent: 1661266 (1928-03-01), Parshall
patent: 1776060 (1930-09-01), Beckwith
patent: 2677939 (1954-05-01), Clute
patent: 2697915 (1954-12-01), Chisholm
patent: 2951503 (1960-09-01), Windsor
patent: 3189125 (1965-06-01), Windsor et al.
patent: 3200831 (1965-08-01), Whitfield

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