Petroleum and natural gas industries - Design and operation of subsea production systems - Part 15: Subsea structures and manifolds (ISO 13628-15:2011); English version EN ISO 13628-15:2011
Edition 2012-01

Oil and gas industries including lower carbon energy - Piping systems on offshore platforms and onshore plants - Part 2: Materials (ISO 13703-2:2023); English version EN ISO 13703-2:2023
Edition 2024-02

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
Edition 2005-02

Petroleum and natural gas industries - Compact flanged connections with IX seal ring (ISO 27509:2020); English version EN ISO 27509:2020, only on CD-ROM
Edition 2021-05

Petroleum, petrochemical and natural gas industries - Rotary-type positive-displacement compressors - Part 1: Process compressors (ISO 10440-1:2007); English version EN ISO 10440-1:2007
Edition 2008-09