by Robert A. Sadowski, P.E. / Dec 01, 2015

Overpressure due to heat exchanger tube rupture in the petrochemical industry has been a cause of concern due to the potential consequences of loss of containment. Requirements for overpressure protection may be so onerous that they are impractical to implement. In these instances, the user may want to reevaluate the exchanger and its usage to determine if the rupture scenario is credible to begin with. The methodology for determining the credibility of a full-bore rupture and associated risks is detailed in API 521, but it is not always fully understood or managed.

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