Plastics piping systems for hot and cold water installations - Crosslinked polyethylene (PE-X) - Part 2: Pipes (ISO/DIS 15875-2:2024); German and English version prEN ISO 15875-2:2024
Edition 2024-09

Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum (ISO/DIS 10253:2023); German and English version prEN ISO 10253:2023
Edition 2023-04

Plastics piping systems for hot and cold water installations - Crosslinked polyethylene (PE-X) - Part 3: Fittings (ISO/DIS 15875-3:2024); German and English version prEN ISO 15875-3:2024
Edition 2024-09

Installation systems for gas installation inside buildings, consisting of multi-layer composite pipes and their corresponding fittings, for an operating pressure ≤ 100 mbar - Part 1: Requirements and testing; Text in German and English
Edition 2020-12

Preferred Numbers and Series of Preferred Numbers; Basic Values, Calculated Values, Rounded Values
Edition 1974-08

Building components and building elements - Thermal resistance and thermal transmittance - Calculation methods (ISO 6946:2017); German version EN ISO 6946:2017
Edition 2018-03

Eurocode 9: Design of aluminium structures - Part 1-3: Structures susceptible to fatigue; German version EN 1999-1-3:2007 + A1:2011
Edition 2011-11

Design and construction of borehole heat exchangers; German and English version prEN 17522:2020
Edition 2020-06

Chemical disinfectants and antiseptics - Quantitative suspension test for the evaluation of fungicidal or yeasticidal activity of chemical disinfectants and antiseptics used in the veterinary area - Test method and requirements (phase 2, step 1); German and English version prEN 1657:2023
Edition 2023-06

Chemical disinfectants and antiseptics - Quantitative test method for the evaluation of bactericidal and yeasticidal and/or fungicidal and/or tuberculocidal and/or mycobactericidal activity on non-porous surfaces with mechanical action employing wipes or mops in the medical area (4-field test) - Test method and requirements (phase 2, step 2); German and English version prEN 16615:2022
Edition 2022-12