Group Standards of the People's Republic of China CN / TUANTI
Latest
T/ZZB 014-2023
Scope
This document specifies the terms and definitions, symbols and abbreviations, product classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality commitment, etc. for PP-R pipes for hot and cold water. . This document applies to hot and cold water pipe systems in civil buildings, including PP-R pipes for drinking water and heating pipe systems. This document does not apply to fire extinguishing systems.
T/ZZB 014-2023 history
2023T/ZZB 014-2023 Polypropylene random copolymer(PP-R)pipes for hot and cold water
2015T/ZZB 014-2015 Civilian polypropylene random copolymer(PP-R)plastic pipes