Standard [CURRENT]
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This European standard specifies a method for checking the leaktightness under internal pressure of assembled joints between mechanical fittings and thermoplastic pressure pipes when subjected to bending as well as the required calculation methods for the average bending radius and how to perform this bending. This standard is intended for use by manufacturers and users of these socket joints and the testing institutes involved. In particular, the standard covers product safety aspects. DIN EN ISO 3503 is the German version of the European standard EN ISO 3503 which has been prepared by Technical Committee CEN/TC 155 "Plastics piping systems and ducting systems". The committee responsible for DIN EN ISO 3503 is NA 054-05-02 AA "Prüfverfahren für Rohre" ("Test methods for pipes") at DIN.
This document replaces DIN EN 713:1994-03 .