Natural gas - Determination of potential hydrocarbon liquid content - Gravimetric methods (ISO 6570:2001); German version EN ISO 6570:2004
Edition 2004-12

Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 1: Induction bends (ISO 15590-1:2018, modified); German version EN 14870-1:2023
Edition 2023-10

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 5: External concrete coatings (ISO 21809-5:2017); German version EN ISO 21809-5:2017
Edition 2019-01

Petroleum and natural gas industries - Pipeline transportation systems (ISO 13623:2009 modified); German version EN 14161:2011+A1:2015
Edition 2015-07

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) (ISO 21809-1:2018); German version EN ISO 21809-1:2018
Edition 2020-09

Petroleum and natural gas industries - Pipeline transportation systems - Design, construction and maintenance of steel cased pipelines (ISO 16440:2016); German version EN ISO 16440:2016
Edition 2017-07

District Heating System - Safety equipment of network substations, house substations and consumers installations connected to hot-water district heating networks
Edition 2022-08

Petroleum, petrochemical and natural gas industries - Prevention of corrosion on pipeline systems influenced by stray currents (ISO 21857:2021); German version EN ISO 21857:2021
Edition 2022-08

Natural gas - Measurement of properties - Calorific value and Wobbe index (ISO 15971:2008); German version EN ISO 15971:2014
Edition 2014-09

Railway applications - Markings of railway vehicles - Part 2: External markings on coaches, motive power units, locomotives and on track machines; German version EN 15877-2:2013
Edition 2014-04