Flanges and their joints - Gaskets for class-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts; German version EN 12560-1:2001— 15 стр.
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges, NPS 1/2 to 24; German version EN 1759-1:2004— 78 стр.
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 3: Copper alloy flanges; German version EN 1759-3:2003 + AC:2004— 31 стр.
