This document specifies the terms and definitions, symbols and abbreviations, raw materials, pipe structure types and connection methods, pipe classification and marking, technical requirements, test methods, inspections of high-density polyethylene (HDPE) bimodal wall pipes for underground use Rules and signs, transportation and storage.
T/GDKJ 0039-2023 history
2023T/GDKJ 0039-2023 High density polyethylene (HDPE) double-wave structure wall pipes for underground usage