Method and system for function testing a valve

Details Method and system for function testing a valve Method and system for function testing a valve

2007-10-10

2009-11-24

Williams, Hezron (Department: 2856)

Measuring and testing

Instrument proving or calibrating

Fluid pressure

Reexamination Certificate

active

07621170

ABSTRACT:
In a method or system for function testing of a safety valve in engineering plant, it is tested whether the safety valve travels from a normal position to a predetermined final position in a certain operating situation of the plant. A bypass the valve bypasses the safety valve and assumes an idle position in a normal operation of the plant and a predetermined test position for function testing of the safety valve. The test position of the bypass valve is established such that a predetermined fluid flow through the bypass valve is permitted.

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patent: 7313497 (2007-12-01), Breen et al.
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