The probability that an Independent Protection Layer (IPL) fails when called upon. PFD is used to determine the reliability of the protection layers (IPL) that are supposed to reduce the risk of failures to a tolerable level.
The probability that an Independent Protection Layer (IPL) fails when called upon. PFD is used to determine the reliability of the protection layers (IPL) that are supposed to reduce the risk of failures to a tolerable level.
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