Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems - Part 2: Dimensions; German version EN 1123-2:2006+A1:2007— 66 стр.
Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - Part 3: System X - Dimensions; German version EN 1124-3:2008— 41 стр.