Ductile iron pipes, fittings, accessories and their joints for gas pipelines - Requirements and test methods; German version EN 969:1995/A1:1998— 3 стр.
Ductile iron pipes, fittings and accessories - External polyurethane coating for pipes - Requirements and test methods; German version EN 15189:2006— 20 стр.
Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts; German version EN 1514-1:1997— 17 стр.
Ductile iron fittings for gas and water pipelines - MI-fittings - Socketed spigots with plane end branch; application, dimensions and masses (weights)— 3 стр.
