Welded steel tubes for pressure purposes - Technical delivery conditions - Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties; German version prEN 10217-2:2014
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene; German version EN 253:2009+A1:2013— 53 стр.
Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 3: Specific funtional requirements for steel; German version EN 12007-3:2015— 25 стр.
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German version EN 1092-1:2018— 151 стр.
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German version EN 1092-1:2007+A1:2013— 132 стр.
Welded steel tubes for pressure purposes - Technical delivery conditions - Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties; German version EN 10217-2:2019— 40 стр.