This standard specifies the definitions, symbols, abbreviations, and materials of random copolymerized polypropylene pipes (hereinafter referred to as pipes) with circular cross-sections extruded from random copolymerized polypropylene (PP-R) compounds. , product classification, selection of pipe series S value, basic requirements, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to hot and cold water pipeline systems in civil buildings, including drinking water and heating systems. This standard does not apply to fire protection systems.
T/ZZB 014-2015 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