Diaphragm valve

Details Diaphragm valve Diaphragm valve

1976-04-20

1978-02-07

Rosenthal, Arnold

Valves and valve actuation

Reciprocating valve

Diaphragm

F16K 712

Patent

active

040722929

ABSTRACT:
A diaphragm valve, for controlling the flow of various fluids, particularly orrosive fluids, includes a valve body with a fluid passage defined therethrough, a flexible diaphragm clamped at its periphery between the body and a cover, and a suitably shaped movable knob, integral with a valve stem and mounted so as to be slidable within the cover, for displacing the diaphragm between a position opening and a position closing the fluid passage. The valve also contains a plurality of radially disposed, movable members arranged in a side-by-side fashion and above an annular portion of the diaphragm, one end of each member being mounted upon the cover, while the other end thereof is mounted upon the valve stem, in such a manner as to form a continuous, movable supporting surface for the diaphragm annulus.

REFERENCES:
patent: 597445 (1898-01-01), Toof
patent: 2388988 (1945-11-01), Mueser
patent: 3414235 (1968-12-01), Lumpp

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