Non-return valve

Details Non-return valve Non-return valve

1991-03-27

1992-03-10

Cohan, Alan

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

137218, 137859, F16K 2400

Patent

active

050942611

ABSTRACT:
Non-return valve, in which, between the non-return valve assembly and the end of the valve body, which can be connected to a tap, emptying ports are provided and a shut-off diaphragm is supported, which, when the tap is closed, frees the run between the inside of the tap and the emptying ports and, when the tap is open, separates the inside of the tap from the emptying ports.

REFERENCES:
patent: 3065761 (1962-11-01), Peras
patent: 3952766 (1976-04-01), Johnson

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