Safety valve monitoring apparatus

Details Safety valve monitoring apparatus Safety valve monitoring apparatus

1993-08-06

1994-08-02

Rivell, John

Fluid handling

With indicator, register, recorder, alarm or inspection means

Fluid pressure responsive indicator, recorder or alarm

340603, 340626, 137554, F16K 3700

Patent

active

053336429

ABSTRACT:
An apparatus for monitoring the condition of a pressure relief safety valve, which has a magnetic ball shiftable from a home position by fluid under pressure when the relief valve opens, and an adjacent sensor responsive to shifting of the ball to provide a signal representing an open valve.

REFERENCES:
patent: 3029836 (1962-04-01), Gruner
patent: 3043262 (1962-07-01), Gruner
patent: 3651827 (1972-03-01), Hammer et al.
patent: 4074696 (1978-02-01), Romanowski
patent: 4533908 (1985-08-01), Fujikawa
patent: 5235324 (1993-08-01), Gagnebin

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