This document specifies the terms and definitions, symbols and abbreviations, materials, classification and marking, pipe structure and connection methods, technical requirements, test methods, inspection rules, signs, Transportation and storage. This document applies to high molecular weight high density polyethylene (HMWHDPE) double-wall corrugated pipes (hereinafter referred to as "pipes") for buried drainage, sewage and communication sheathed pipes with a long-term use temperature below 45°C.
T/YNSX 005-2022 history
2022T/YNSX 005-2022 High molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe