Relief valve with abnormal pressure indicator means

Details Relief valve with abnormal pressure indicator means Relief valve with abnormal pressure indicator means

1997-01-14

1997-09-09

Chambers, A. Michael

Fluid handling

With indicator, register, recorder, alarm or inspection means

137522, 137542, 116277, F16K 3700

Patent

active

056646011

ABSTRACT:
A relief valve with abnormal pressure indicator means, including a valve rod with a valve flap moved in a casing to close/open the passage, a cap mounted on the valve rod outside the casing, and an indicator coupled to the valve rod and having a display face shaded by the cap, the indicator being forced to fall by the weight of a weight when the valve flap is forced to open the passage by ah abnormal high pressure, causing the display of the indicator to be shown.

REFERENCES:
patent: 600884 (1898-03-01), Moon
patent: 4168723 (1979-09-01), Schneider
patent: 5078078 (1992-01-01), Cuk

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