Valve fluid pressure leakage signaling

Details Valve fluid pressure leakage signaling Valve fluid pressure leakage signaling

1996-04-29

1997-09-30

Chambers, A. Michael

Fluid handling

With indicator, register, recorder, alarm or inspection means

Fluid pressure responsive indicator, recorder or alarm

137312, 2513352, F16K 134, F16K 3700

Patent

active

056717750

ABSTRACT:
In a valve unit to control the flow of high-pressure fluid, the combination comprises a housing having a fluid inlet and a fluid outlet, a flow port in the housing communicating between the inlet and outlet, and a seat associated with the flow port; a stopper to be moved toward and away from the seat; a flow chamber in the housing to which high-pressure fluid flows when the stopper has been moved from the seat, for flow to the outlet, the stopper used to close off the flow when the stopper engages the seat; a cap carried by the housing at the outlet; and first signal means associated with the cap to signal presence or absence of pressurized fluid leakage into the flow chamber before the stopper has been moved from the seat.

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