Plastics pipes and fittings — Dimensions of sockets and spigots for discharge systems inside buildings — Part 1: Unplasticized poly(vinyl chloride) (PVC-U) and chlorinated poly (vinyl chloride) (PVC-C)
塑料管道和配件——建筑物内排放系统的插座和插口尺寸第1部分:未增塑聚氯乙烯(PVC-U)和氯化聚氯乙烯(PVC-C)
Establishes a classification and designation system for sockets and specifies the design formulae and the derived dimensions, together with tolerances, of these sockets and of spigots for joints. Annexes A and B form an integral part of this standard.