• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Projects of CEN/TC 23/WG 20

Document number Begin Title Comment
DIN EN ISO 11114-1 rev 2025-11-17 Gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 1: Metallic materials More  Comment 
DIN EN ISO 11114-2 rev 2025-09-29 Gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 2: Non-metallic materials More  Comment 
DIN EN ISO 10156/A1 2024-10-31 Gas cylinders - Gases and gas mixtures - Determination of fire potential and oxidizing ability for the selection of cylinder valve outlets - Amendment 1 More  Comment 
DIN EN ISO 11117/A1 2024-10-31 Gas cylinders - Valve protection caps and guards - Design, construction and tests - Amendment 1 More  Comment 
DIN EN ISO 17879 2024-06-05 Gas cylinders - Self-closing cylinder valves - Specification and type testing More  Comment 
DIN EN ISO 17871/A2 2024-06-05 Gas cylinders - Quick-release cylinder valves - Specification and type testing - Amendment 2 More  Comment 
DIN EN ISO 10298 2023-10-31 Gas cylinders - Gases and gas mixtures - Determination of toxicity for the selection of cylinder valve outlets (ISO/DIS 10298:2025); German and English version prEN ISO 10298:2025 More  Comment 
DIN EN ISO 14246 2023-10-31 Gas cylinders - Cylinder valves - Manufacturing tests and examinations (ISO 14246:2022 + Amd 1:2025); German version EN ISO 14246:2022 + A1:2025 More  Comment 

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