Over pressure release valve for a hydraulic installation

Fluid handling – Line condition change responsive valves – Direct response valves

Patent

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Details

137494, 137528, F16K 1500

Patent

active

044125550

ABSTRACT:
The valve includes a disk (8) one side of which is subjected to the action of an adjustable thrust unit and the other side of which is applied against a seat (3) connected to the pressure source of said hydraulic installation, the thrust unit (12) being constituted by an adjustably pressurized deformable chamber. The valve is used in particular for protecting hydraulic installations e.g. water pipes against accidental overpressures, e.g. water-hammer.

REFERENCES:
patent: 886045 (1908-04-01), Erlich
patent: 1631263 (1927-06-01), Greenhouse
patent: 2243711 (1941-05-01), Lamb
patent: 3636969 (1979-01-01), Jacbellis
patent: 3913613 (1975-10-01), Kostjunin
patent: 3913615 (1975-10-01), Cooper
patent: 3933172 (1976-01-01), Allen
patent: 4245668 (1981-01-01), Lindstrom

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