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District heating pipes - Factory made flexible pipe systems - Classification, requirements and test methods for bonded or non-bonded system with thermoplastic reinforced service pipes (TRSP); German version CEN/TS 17889:2024

Gas infrastructure - Underground gas storage - Part 1: Functional recommendations for storage in aquifers; German and English version prEN 1918-1:2025

Gas infrastructure - Underground gas storage - Part 4: Functional recommendations for storage in rock caverns; German and English version prEN 1918-4:2025

Building valves - Pressure safety valves - Tests and requirements

Gas infrastructure - Underground gas storage - Part 3: Functional recommendations for storage in solution-mined salt caverns; German and English version prEN 1918-3:2025

Gas infrastructure - Underground gas storage - Part 5: Functional recommendations for surface facilities; German and English version prEN 1918-5:2025

Gas infrastructure - Underground gas storage - Part 2: Functional recommendations for storage in oil and gas fields; German and English version prEN 1918-2:2025

Building valves - Combined temperature and pressure relief valves - Tests and requirements; German and English version prEN 1490:2025

Building valves - Pressure safety valves - Tests and requirements

Building valves - Expansion valves - Tests and requirements

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