Safety devices for protection against excessive pressure - Part 1: Safety valves (ISO 4126-1:2013 + Amd 1:2016); German version EN ISO 4126-1:2013 + A1:2016— 26 стр.
Petroleum and natural gas industries - Compact flanged connections with IX seal ring (ISO 27509:2012 + Cor. 1:2013); English version EN ISO 27509:2012 + AC:2013, only on CD-ROM— 115 стр.
Safety devices for gas pressure regulating stations and installations - Gas safety shut-off devices for inlet pressures up to 100 bar; German version EN 14382:2005+A1:2009+AC:2009— 91 стр.