BS ISO 727-2:2005(2008)
由未增塑聚氯乙烯(PVC-U)、氯化聚氯乙烯(PVC-C)或丙烯腈/丁二烯/苯乙烯(ABS)制成的带压管道用普通承插口的管件— 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