Fixed firefighting systems - Gas extinguishing systems - Part 2: Physical properties and system design of gas extinguishing systems for FK-5-1-12 extinguishant (ISO 14520-5:2019, modified)

Fixed firefighting systems - Gas extinguishing systems - Part 2: Physical properties and system design of gas extinguishing systems for FK-5-1-12 extinguishant (ISO 14520-5:2024, modified); German and English version prEN 15004-2:2024

Chimneys - Requirements for metal chimneys - Part 2: Metal flue liners and connecting flue pipes; German and English version prEN 1856-2:2021

Industrial, commercial, garage doors and gates - Product standard, performance characteristics

Aerospace series - LOTAR - LOng Term Archiving and Retrieval of digital technical product documentation such as 3D, CAD and PDM data - Part 125: Explicit CAD assembly structure with Graphic Product and Manufacturing Information (PMI); German and English version prEN 9300-125:2022

Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Manholes, inspection chambers and road gullies for storm water systems made of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: Specifications for storm water manholes and inspection chambers; German and English version prEN 17670-1:2021

Bi-directional grid connected power converters - Part 3: EMC requirements and test methods (IEC 22E/229/CD:2022); Text in German and English

Motorcyclists' protective clothing against mechanical impact - Part 4: Motorcyclists' inflatable protectors - Requirements and test methods

High frequency inductive components - Electrical characteristics and measuring methods - Part 2: Rated current of inductors for DC-to-DC converters (IEC 51/1409/CD:2022); Text in German and English