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Title: Rate Process Method Applied To Service Life Forecast Of Pe Molded Fittings
Author: Dr. Gene Palermo, Sarah Chung
Source: American Gas Association 2008
Year Published: 2008
Abstract: This paper will review several of the applications for the Rate Process Method such as, validation of the PE material hydrostatic design basis per ASTM D 2837, and service life forecast of old generation PE pipe still in service and correlation with actual field failures. We will also investigate a recent application in which the Rate Process Method was used to determine the service life forecast of a molded PE heat fusion fitting, that the manufacturer had flagged during a routine post-production quality check. Since several of these fittings had already been installed for gas distribution, the manufacturer wanted to know what the projected service life would be.