BS EN 1124-4:2006 Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems. Components for vacuum drainage systems and for drainage systems on ships
2013BS EN 1124-4:2013 Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for wastewater systems. Components for vacuum drainage systems and for drainage systems on ships
2006BS EN 1124-4:2005 Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems — Part 4: Components for vacuum drainage systems and for drainage systems on ships