GB/T 18992.2-2003 Cross-linked Polyethylene (PE-X) Pipeline System for Hot and Cold Water Part 2: Pipe

GB/T 18992 This section specifies definitions, symbols and abbreviations, materials, product classification, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage.
This section applies to hot and cold water piping systems in buildings; this section does not apply to fire extinguishing systems and fluid delivery systems for non-aqueous media.