High pressure safety valve

Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems

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Details

137461, 251 75, G05D 1606

Patent

active

040263142

ABSTRACT:
A high pressure safety valve which automatically closes when high pressure conditions exist. The high pressure valve includes a diaphragm valve and a snap acting assembly connected to the diaphragm valve which acts to snap it closed when a high pressure condition is detected. The safety valve of the present invention may also include a relief valve which opens when the diaphragm valve closes to relieve pressure at the outlet of the safety valve. In addition, the safety valve of the present invention can be manually reset only after the high pressure condition has been corrected.

REFERENCES:
patent: 2707966 (1955-05-01), Taplin
patent: 2712427 (1955-07-01), Welborn
patent: 3420257 (1969-01-01), Lansky
patent: 3580271 (1971-05-01), Farrer

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