Petroleum, petrochemical and natural gas industries - Pressure-relieving and depressuring systems (ISO 23251:2019); English version EN ISO 23251:2020
Edition 2020-11

Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 3: General-purpose oil systems (ISO 10438-3:2007); English version EN ISO 10438-3:2007, with CD-ROM
Edition 2010-08

Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 2: Special-purpose oil systems (ISO 10438-2:2007); English version EN ISO 10438-2:2007, with CD-ROM
Edition 2010-08

Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 1: General requirements (ISO 10438-1:2007); English version EN ISO 10438-1:2007, with CD-ROM
Edition 2010-08

Petroleum, petrochemical and natural gas industries - Steam turbines - Special-purpose applications (ISO 10437:2003); English version EN ISO 10437:2003
Edition 2005-07

Petroleum and natural gas industries - High-speed special purpose gear units (ISO 13691:2001); German and English version EN ISO 13691:2002
Edition 2003-10

Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors - Part 1: General requirements (ISO 10439-1:2015); English version EN ISO 10439-1:2015, only on CD-ROM
Edition 2015-05

Petroleum and natural gas industries - Floating offshore structures - Part 1: Ship-shaped, semi-submersible, spar and shallow-draught cylindrical structures (ISO 19904-1:2019); English version EN ISO 19904-1:2019, only on CD-ROM
Edition 2019-10