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.
Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements; German version prEN 12266-1:2009
Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607:2003); German version EN ISO 15607:2003— 18 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 (consolidated version)
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German version EN 1092-1:2007— 131 стр.
LPG equipment and accessories - Construction and performance of LPG equipment for automotive filling stations - Part 2: Components other than dispensers and installation requirements; German version EN 14678-2:2007+A1:2012— 20 стр.
LPG equipment and accessories - Equipment for Liquefied Petroleum Gas automotive filling stations - Part 2: Components other than dispensers, and installation requirements; German version EN 14678-2:2007— 20 стр.
Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements; German version EN 13774:2013— 33 стр.
LPG equipment and accessories - Specification and testing for Liquefied Petroleum Gas (LPG) tank valves and fittings; German version EN 13175:2003+A2:2007— 31 стр.
LPG Equipment and accessories - Specification and testing for Liquefied Petroleum Gas (LPG) pressure vessel valves and fittings; German version EN 13175:2014— 49 стр.
LPG Equipment and accessories - Specification and testing for Liquefied Petroleum Gas (LPG) pressure vessel valves and fittings; German version EN 13175:2019— 56 стр.