Non-electrical equipment for use in potentially explosive atmospheres - Part 3: Protection by flameproof enclosure "d"; German version EN 13463-3:2005— 21 стр.
Unfired pressure vessels - Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron; German version EN 13445-6:2014— 63 стр.
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German and English version prEN 1092-1:2016