Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems. Dimensions|Drainpipes, Waste-water drainage, Traps (drainage), Dimensions, Pipes, Pipe junctions, Water, Sealing rings, Bend couplings, Dimensional tolerances, Seals, Clamped pipe connections, Angular, Steels, Pressure pipes, Hot-dip galvanizing, Pipe tees, Spigot-and-socket joints, Gaskets, Access, Sewers, Designations, Pipe couplings, Drainage, Seamed pipes, Pipe plugs, Pipe fittings