Gas meters - Turbine gas meters; German version EN 12261:2018
Edition 2020-09

Petroleum and natural gas industries - Packaged reciprocating gas compressors (ISO 13631:2002); German and English version EN ISO 13631:2002
Edition 2003-02

Gas meters - Turbine gas meters; German version EN 12261:2024
Edition 2024-08

Reference conditions and procedures for testing industrial and process measurement transmitters - Part 3: Specific procedures for temperature transmitters (IEC 62828-3:2018); German version EN IEC 62828-3:2018
Edition 2019-02

Petroleum, petrochemical and natural gas industries - Reciprocating positive displacement pumps (ISO 13710:2004); English version EN ISO 13710:2004
Edition 2005-07

Petroleum, petrochemical and natural gas industries - Fired heaters for general refinery service (ISO 13705:2012); English version EN ISO 13705:2012, only on CD-ROM
Edition 2013-04

Gas meters - Turbine gas meters; German and English version prEN 12261:2021
Edition 2021-10

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

Pumps - Shaft sealing systems for centrifugal and rotary pumps (ISO 21049:2004); English version EN ISO 21049:2004
Edition 2005-11

Petroleum and natural gas industries - Rotary type positive-displacement compressors - Part 2: Packaged air compressors (oil-free) (ISO 10440-2:2001); German and English version EN ISO 10440-2:2001
Edition 2003-02