Method and apparatus for testing relief valve

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

1988-02-19

1989-06-20

Noland, Tom

Measuring and testing

Instrument proving or calibrating

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

73168, G01M 1900

Patent

active

048400572

ABSTRACT:
Method and apparatus for mounting and testing pressure relief safety valves while maintaining an operational capability of the safety valve and that minimizes malfunctioning and tampering with the associated fluid isolation ball-type block valves. The fluid isolation block valve is preferably manually actuated from the exterior of the apparatus to assure positive controlled operation. A releasable external locking arrangement is provided to maintain the isolation block valve in the open position and prevent undesired isolation of the safety valve from the working fluid during normal operations.

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patent: 4761999 (1988-08-01), Thompson
patent: 4766765 (1988-08-01), Ezekoye

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