Petroleum and natural gas industries - Compact flanged connections with IX seal ring (ISO 27509:2012); English version EN ISO 27509:2012, only on CD-ROM— 115 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— 130 стр.
Safety devices for protection against excessive pressure - Part 4: Pilot operated safety valves (ISO 4126-4:2013); German version EN ISO 4126-4:2013— 23 стр.
Safety devices for protection against excessive pressure - Part 5: Controlled safety pressure relief systems (CSPRS) (ISO 4126-5:2013); German version EN ISO 4126-5:2013— 27 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+A1:2013— 132 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 and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014); German version EN ISO 23553-1:2014— 45 стр.