Analysis of Flange Joints Under External Loads

[+] Author and Article Information
W. J. Koves

UOP, 25 East Algonquin Road, P.O. Box 5017, Des Plaines, IL 60017-5017

J. Pressure Vessel Technol 118(1), 59-63 (Feb 01, 1996) (5 pages) doi:10.1115/1.2842164 History: Received December 08, 1994; Revised June 27, 1995; Online February 11, 2008


Flange joint leakage is one of the common maintenance problems in refineries and chemical plants. This paper studies the effect of external loads on the strength and leakage behavior of flanged joints. Finite element and analytical methods are compared, and the proposed method is compared with leakage data. The common “equivalent pressure” method is shown to be very conservative, and a method of evaluating external loads is recommended.

Copyright © 1996 by The American Society of Mechanical Engineers
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