Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and surface silica (ISO/DIS 21068-2:2023); German and English version prEN ISO 21068-2:2023
Edition 2023-07

Medical gas pipeline systems - Part 1: Pipeline systems for compressed medical gases and vacuum (ISO 7396-1:2016 + Amd 1:2017); German version EN ISO 7396-1:2016 + A1:2019
Edition 2019-06

Anaesthetic and respiratory equipment - Passive humidifiers (ISO 20789:2018); German version EN ISO 20789:2019
Edition 2020-02

Thermal performance of buildings and materials - Determination of specific airflow rate in buildings - Tracer gas dilution method (ISO 12569:2017); German version EN ISO 12569:2017
Edition 2018-04

Explosives for civil uses - Detonators and detonating cord relays - Part 27: Risk analysis and test methods for electronic initiation systems; German and English version prEN 13763-27:2021
Edition 2021-11

Industrial furnaces and associated processing equipment - Safety requirements for steel converter and associated equipment (ISO/DIS 23495:2019); German and English version prEN ISO 23495:2019
Edition 2019-09

Immersion suits - Part 3: Test methods (ISO/DIS 15027-3:2023); German and English version prEN ISO 15027-3:2023
Edition 2023-06

Vitrified clay pipe systems for drains and sewers - Part 4: Requirements for adaptors, connectors and flexible couplings; German version EN 295-4:2013
Edition 2013-05

Explosive atmospheres - Part 49: Flame arresters - Performance requirements, test methods and limits for use (ISO/IEC DIS 80079-49:2022); German and English version prEN ISO/IEC 80079-49:2022
Edition 2022-10

Eye and face protection - Test methods - Part 2: Physical optical properties (ISO/DIS 18526-2:2018); German and English version prEN ISO 18526-2:2018
Edition 2018-08