Method and apparatus for testing a relief valve

Details Method and apparatus for testing a relief valve Method and apparatus for testing a relief valve

1984-04-09

1985-10-22

Levy, Stewart J.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

F16K 1700

Patent

active

045480672

ABSTRACT:
A method of isolating a relief valve from system pressure in order to test the relief valve while still allowing the relief valve to be exposed to emergency level system pressure. The apparatus includes an isolation valve to be mounted between the vessel or pipeline of the system and the relief valve including a valve element for isolating the system from test fluid while allowing system fluid at emergency pressure to be transmitted to the relief valve even during testing of the relief valve.

REFERENCES:
patent: 2178901 (1939-11-01), Webster
patent: 2952151 (1960-09-01), Simonson et al.
patent: 3269170 (1966-08-01), Sebring et al.
patent: 3768299 (1973-10-01), Garren
patent: 3872875 (1975-03-01), Raidl, Jr.
patent: 4428223 (1984-01-01), Trevisan
patent: 4480653 (1984-11-01), Vanderburg

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