Diaphragm valves and valve systems

Details Diaphragm valves and valve systems Diaphragm valves and valve systems

1978-12-26

1981-06-23

Schmidt, Frederick R.

Fluent material handling, with receiver or receiver coacting mea

Processes

Battery grid pasting

1376253, 141285, 141392, 251 611, B65B 304, F16K 1110, F16K 31365

Patent

active

042744520

ABSTRACT:
A diaphragm valve housing has a flexible diaphragm positioned to permit access of at least two of three channels passing within said valve housing to one side of said diaphragm, through channel ports, to allow fluid flow between the channels. A control vent opens to a second side of said diaphragm to allow a control fluid to press said diaphragm against a sealing surface to seal said channels from one another. The valve construction can be used in various combinations with other like valve constructions having more or fewer channels therein.

REFERENCES:
patent: 3792720 (1974-02-01), Robbins
patent: 3927440 (1976-02-01), MacGregor
patent: 4027622 (1977-07-01), Osheroff

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