EN 1555-5:2021
燃气输送用塑料管系统聚乙烯(PE) 第5部分:系统适用性

2022-01

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适用范围: This document specifies the requirements of fitness for purpose of the polyethylene (PE) piping system in the field of the supply of gaseous fuels. It specifies the requirements for electrofusion, butt fusion and mechanical joints. It specifies the method of preparation of test piece joints, and the tests to be carried out on these joints for assessing the fitness for purpose of the system under normal and extreme conditions. It specifies the test parameters for the test methods referred to in this document. NOTE 1 This document is intended only to be used by the product manufacturer to assess the performance of components according to EN 1555-2, EN 1555-3:2021, and EN 1555-4:2021 when joined together under normal and extreme conditions in accordance with this document. It is not intended for on-site testing of pipe systems. In conjunction with Parts 1 to 4 of EN 1555, it is applicable to PE pipes, fittings, valves, their joints and to joints with components of other materials intended to be used under the following conditions: a) a maximum operating pressure, MOP, up to and including 10 bar1 at a reference temperature of 20 °C for design purposes; b) an operating temperature between − 20 °C and 40 °C. NOTE 2 For other operating temperatures between 20 °C and 40 °C, derating coefficients are defined in Annex A. EN 1555 (all parts) covers a range of maximum operating pressures and gives requirements concerning colours.

EN 1555-5:2021燃气输送用塑料管系统 聚乙烯(PE) 第5部分:系统适用性