How is the installation of PE pipes (polyethylene pipes) inspected, and which standard does it follow?

The installation and testing of polyethylene pipes (PE pipes) generally need to be carried out in accordance with corresponding **standards or industry standards. In China, for example, the following standards may be referenced for the installation and testing of PE pipes: 1. GB/T 15558.1-2015 \"Buried polyethylene (PE) pipe systems for gas supply – Part 1: Pipes\" 2. GB/T 13663.2-2018 \"Polyethylene (PE) pipe systems for water supply – Part 2: Fittings\" 3. GB/T 13663.1-2017 \"Polyethylene (PE) pipe systems for water supply – Part 1: Pipes\" The testing of PE pipes usually includes, but is not limited to, the following methods: – Visual inspection: After installation, the pipes should be checked for any defects such as cracks, damage, or deformation in their appearance. - Pressure testing: Conducting hydraulic or pneumatic tests on piping systems to verify their sealing properties and capacity to withstand pressure. - Leak test: Check the piping system for any leaks. Due to the different material composition of PE pipes compared to steel pipes, they are generally not suitable for radiographic inspection (such as X-ray or gamma ray testing), as the density of PE material is much lower than that of steel, making it difficult to detect internal defects. For the welded joints of PE pipes (such as heat fusion or electrofusion joints), ultrasonic testing or other suitable non-destructive testing methods may be used to evaluate the welding quality. The specific testing methods and standard details to be used need to be determined based on the actual engineering application and local regulatory requirements. It is recommended to consult the latest **standards or industry standard documents, or seek advice from professional pipeline installation and inspection agencies. .