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Ball Valve Reliability Data Please?

Ball Valve Reliability Data Please?

Ball Valve Reliability Data Please?

(OP)
Hello all, I am new to a role where I need to assess the likelihood of certain things happening on our facility.  One scenario I have right now is the failure to close of a 2" Air Fail Close Soft Seated actuated ball valve.  Is there a source that I can find typical Petro-Chem or Chemical industry accepted typical failure rates please?  Thanks for your help.

Thanks.

Steve.
sshakesh@glcc.com

RE: Ball Valve Reliability Data Please?

Oreda has limited data available.  I suggest using a probability of failure of 1x10-2 which is within an order of magnitude.
If this is a shutdown system, then a dormant model should be used (but you can take credit for partial-stroke-testing, diagnostics etc).

RE: Ball Valve Reliability Data Please?

(OP)
Thank you.

Steve.

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