Gas Infrastructure - Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 1: Detailed functional requirements for design, materials, construction, inspection and testing; German version EN 15001-1:2023
Edition 2023-04

Industrial thermoprocessing equipment - Part 2: Safety requirements for combustion and fuel handling systems; German version EN 746-2:2010
Edition 2011-02

Admixtures for concrete, mortar and grout - Part 6: Sampling, assessment and verification of the constancy of performance; German version EN 934-6:2019
Edition 2019-05

Welding - Recommendation for welding of metallic materials - Part 6: Laser beam welding; German version EN 1011-6:2018
Edition 2019-04

District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 2: Installation; German version EN 13941-2:2019+A1:2021
Edition 2022-06

Water-tube boilers and auxiliary installations - Part 5: Workmanship and construction of pressure parts of the boiler; German version EN 12952-5:2021
Edition 2022-02

Water quality - Sampling - Part 16: Guidance on biotesting of samples (ISO 5667-16:2017); German version EN ISO 5667-16:2017
Edition 2019-03

Cathodic protection - Competence levels of cathodic protection persons - Basis for a certification scheme (ISO 15257:2017); German version EN ISO 15257:2017
Edition 2017-09

Guidelines for the management of assets of water supply and wastewater systems - Part 1: Drinking water distribution networks (ISO 24516-1:2016)
Edition 2021-02

Chimneys - Requirements and test methods for metal chimneys and material independent air supply ducts for roomsealed heating applications - Part 2: Flue and air supply ducts for room sealed appliances; German version EN 14989-2:2007
Edition 2008-03