Low energy three way valve

Details Low energy three way valve Low energy three way valve

1991-11-07

1993-03-02

Nilson, Robert G.

Fluid handling

Systems

Multi-way valve unit

13762527, F16K 1102

Patent

active

051900769

ABSTRACT:
A low energy valve having a body with two opposed faces and a central passage opening onto them. A circular seat is formed on each face. The passage opens onto both faces inside the seals. A respective port opens onto each face outside of the seals. A sealing diaphragm is spaced from each seat. A push rod is interposed between the diaphragms. A bias force exerted on one diaphragm closes its respective seat and through the push rod opening the other. An actuator can reverse this setting.

REFERENCES:
patent: 2934090 (1960-04-01), Kenann
patent: 4237931 (1980-12-01), Rafaely
patent: 5007458 (1991-04-01), Marcus

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