Application of new code will extend equipment lives

Prudent use of the American Petroleum Institute's Recommended Practice (RP) on fitness-for-service (FFS), API RP 579, will allow plant owners to make better repair and replacement decisions.This article presents an overview of FFS technology, examples illustrating the use of this technology in day-to-day plant operations, and a summary of the future changes required to existing in-service inspection codes to facilitate the use of this technology.The American Petroleum Institute (API) released RP 579 for determining FFS of pressure vessels and piping in early 2000. This document provides guidance for determining when repairs or replacement of equipment is necessary. It is a large and h...

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