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FMEA of gasketed and non-gasketed bolted flanged pipe joints

Abid, Muhammad and Nash, David (2005) FMEA of gasketed and non-gasketed bolted flanged pipe joints. Engineering Integrity, 17 (1). pp. 14-21. ISSN 1365-4101

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Limited work is available in the literature on the Failure Mode and Effects Analysis of bolted flanged pipe joints. From previous comparative reliability studies of both gasketed and non-gasketed bolted flanged pipe joints, generally it is found that both the joints types are of high integrity and perform well in excellent service under appropriate installation and maintenance conditions. However, based on certain factors better functional safety for non-gasketed joints can be achieved. All studies have been performed based on operational information and reported observations. This study reported herein presents a detailed failure mode and effects analysis (FMEA) in the light of industrial surveys, analysis, experimental work and subsequent observations in addition to previous studies. The aim of the study is to increase the reliability knowledge of the gasketed and non-gasketed flanged pipe joints and thereby to increase the basis for finding the optimal pipe connection based on surveys, observation and experimental studies performed.