Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols; German version EN 1861:1998
Edition 1998-07

In-situ generating and dosing devices of biocides for drinking and swimming pool water treatment - Ozone; German and English version prEN 17971:2023
Edition 2023-05

Industrial communication networks - Fieldbus specifications - Part 5-17: Application layer service definition - Type 17 elements (IEC 61158-5-17:2007); English version EN 61158-5-17:2008, only on CD-ROM
Edition 2008-09

Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods; German version EN 12698-1:2007
Edition 2007-06

Plastics - Determination of the ultimate anaerobic biodegradation of plastic materials in an aqueous system - Method by measurement of biogas production (ISO 14853:2016); German version EN ISO 14853:2017
Edition 2018-02

Building lime - Part 2: Test methods; German version EN 459-2:2021
Edition 2021-09

Gas-fired heating boilers - Part 1: General requirements and tests; German version EN 15502-1:2021+A1:2023
Edition 2024-08

Maritime navigation and radiocommunication equipment and systems - Bridge navigational watch alarm system (BNWAS) (IEC 62616:2010); English version EN 62616:2010
Edition 2010-09

Fixed firefighting systems - Automatic residential sprinkler systems - Design, installation and maintenance; German version EN 16925:2018
Edition 2019-03

Gaseous hydrogen land vehicle refuelling connection devices - Part 1: Flow capacities up to and including 120 g/s (ISO/DIS 17268-1:2024); German and English version prEN ISO 17268-1:2024
Edition 2024-04