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

Gas infrastructure - Underground gas storage - Part 5: Functional recommendations for surface facilities; German version EN 1918-5:2016
Edition 2016-11

Petroleum and natural gas industries - Downhole equipment - Completion accessories (ISO 14998:2013); English version EN ISO 14998:2013
Edition 2013-10

Gas infrastructure - Underground gas storage - Part 2: Functional recommendations for storage in oil and gas fields; German version EN 1918-2:2016
Edition 2016-11

Gas infrastructure - Underground gas storage - Part 3: Functional recommendations for storage in solution-mined salt caverns; German version EN 1918-3:2016
Edition 2016-11

Gas infrastructure - Underground gas storage - Part 4: Functional recommendations for storage in rock caverns; German version EN 1918-4:2016
Edition 2016-11

Gas infrastructure - Underground gas storage - Part 1: Functional recommendations for storage in aquifers; German version EN 1918-1:2016
Edition 2016-11

Petroleum and natural gas industries - Design and operation of subsea production systems - Part 6: Subsea production control systems (ISO 13628-6:2006); English version EN ISO 13628-6:2006
Edition 2008-01

Investigation and assessment of drain and sewer systems outside buildings - Part 2: Visual inspection coding system; German version EN 13508-2:2003+A1:2011
Edition 2011-08