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Jim Cahill
9 Nov 2011
full stroke test
partial stroke test
bathtub curve
Safety
proof test coverage
IEC 61508 functional safety
safety valve
functional safety assessment
Final Control Element
PFDAVG
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Safety Valve and Actuator Proof Test Coverage
I saw an email string with a question asking if it’s possible to detect all possible failure modes in a safety valve if very intensive and intrusive tests, such as full-stroke testing, leak testing, etc. are performed. Would it be conceivable to use 100...
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