Dual mode vent plug for a pressure gauge

Details Dual mode vent plug for a pressure gauge Dual mode vent plug for a pressure gauge

1995-05-12

1999-04-13

Chilcot, Richard

Measuring and testing

Fluid pressure gauge

Mounting and connection

73706, G01L 700

Patent

active

058940936

ABSTRACT:
An improved closure for a pressure gauge includes a stem or a sleeve which selectively provides a vent path when set by the end user. The closure device provides an automatic venting if in the normally closed condition by means of an overpressure valve arrangement in the sleeve. Therefore the two functions are incorporated in the single closure device.

REFERENCES:
patent: 4449412 (1984-05-01), Fallon et al.
patent: 5012678 (1991-05-01), Buchanan

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