ISO 14531-3:2010
塑料管和管件.气体燃料输送用交联聚乙烯(PE-X)管系.公制系列.规格第3部分:机械连接管件(包括PE-X金属接管)
Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels - Metric series - Specifications - Part 3: Fittings for mechanical jointing (including PE-X/metal transitions)