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How Must Safety Integrity Level (SIL) For Ball Valves Be Calculated?

How Must Safety Integrity Level (SIL) For Ball Valves Be Calculated?

How Must Safety Integrity Level (SIL) For Ball Valves Be Calculated?

(OP)
Hi for all the people.
I need your help.
I work for a Ball Valves company.
And I must calculate the SIL (safety integrated Level), for an Ball Valve family.
If Is possible, calculate whit out and 3 Th part (do it your self)?.
I have the FMEAD and the Proven in use (the experience in aplication, is for 15 years).
But I don't Know, the next step.
Could some Help me? (free softw, etc, etc).
Tanks in advance.
 

RE: How Must Safety Integrity Level (SIL) For Ball Valves Be Calculated?

Andreu,
       as far as I can remember, the reference standards themselves (e.g.: IEC 61508) should give the calculation methods...

       In any case, you probably might find some more useful hint reading thread408-180990: SIL certification and thread408-228654: Sil rated actuators within this Forum.

Regards,      'NGL
 

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