ISO 727-2:2005
压力管件用由未增塑聚氯乙烯、氯化聚氯乙烯或丙烯腈/丁二烯/苯乙烯制的带普通管套的管配件.第2部分:英制系列
Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS) with plain sockets for pipes under pressure - Part 2: Inch-based series