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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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Projects of CEN/TC 107/WG 4

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Document number	Begin	Title	Comment
DIN EN 489-1	2026-05-12	District heating pipes - Bonded single and twin pipe systems for buried hot and coldwater networks - Part 1: Joint casing assemblies and thermal insulation for hot and cold-water networks with metal service pipes in accordance with EN 13941-series; German and English version prEN 489-1:2026 More	Comment
DIN EN 18213-1	2024-08-16	District heating and district cooling pipes - Bonded single and twin pipe systems for directly buried hot and cold water networks - Part 1: Qualification testing of fitter; German and English version EN 18213-1:2026 More	Comment
DIN EN 18213-2	2024-08-16	District heating and district cooling pipes - Bonded single and twin pipe systems for directly buried hot and cold water networks - Part 2: Qualification testing of PE-Welder; German and English version EN 18213-2:2026 More	Comment

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