At present, in North America, Western Europe, South Africa and Australia, new PVC-O pipes are mainly used in municipal water supply, farmland irrigation and pressure drainage markets. Foreign PVC-O pipe standards:
International standard: iso16422:2014;
Spanish standard aenor:une ISO 16422;
British standard bsi:bs-1so16422;
South African standard sabs:sans 16422;
Australian Standard: as/nzs4441:2008;
American Standard: astm1483-12/awwa c909-09;
Canadian standard: CSA b137.3.1-13;
Brazilian standard: abtn NBR 15750;
French Standard: AFNOR t 54-948:2010.