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.
Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements; German version EN 12266-1:2012— 19 стр.
Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2008+A1:2011— 32 стр.
Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications; German version EN 1057:2006+A1:2010— 37 стр.
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 3: Copper alloy flanges; German version EN 1092-3:2003 + AC:2004— 38 стр.