Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation method; German version EN 1591-1:2001+A1:2009+AC:2011— 60 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/prA1:2010
Specification and qualification of welding procedures for metallic materials - Qualification based on pre-production welding test (ISO 15613:2004); German version EN ISO 15613:2004— 10 стр.
Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys; German version EN 13445-8:2009— 28 стр.
Simple unfired pressure vessels designed to contain air or nitrogen - Part 2: Pressure vessels for air braking and auxiliary systems for motor vehicles and their trailers