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

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

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

Plans for Public Utilities, Water Resources and Long-distance Lines - Part 4: Drain and sewer systems outside buildings
Edition 2022-11

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

Oil and gas industries including lower carbon energy - Pipeline transportation systems - Subsea pipeline valves (ISO/DIS 14723:2024); English version prEN ISO 14723:2024
Edition 2024-06

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

District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 1: Design; German version EN 13941-1:2019+A1:2021
Edition 2022-06

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