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.
Industrial valves - Isolating valves for low-temperature applications - Part 2: Type testing (ISO 28921-2:2015); German version EN ISO 28921-2:2017— 28 стр.
Industrial valves - Isolating valves for low-temperature applications - Part 1: Design, manufacturing and production testing (ISO 28921-1:2013); German version EN ISO 28921-1:2017— 36 стр.
Petroleum, petrochemical and natural gas industries - Collection and exchange of reliability and maintenance data for equipment (ISO 14224:2016, Corrected version 2016-10-01); English version EN ISO 14224:2016, only on CD-ROM— 304 стр.