CEN/TC 23
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 502 | EN ISO 11116-1:1999 | Gas cylinders - 17E taper thread for connection of valves to gas cylinders - Part 1: Specifications (ISO 11116-1:1999) | Atcelts |
| 503 | EN ISO 11116-2:1999 | Gas cylinders - 17E taper thread for connection of valves to gas cylinders - Part 2: Inspection gauges (ISO 11116-2:1999) | Atcelts |
| 22470 | EN ISO 11117:2008 | Gas cylinders - Valve protection caps and valve guards - Design, construction and tests (ISO 11117:2008) | Atcelts |
| 33077 | EN ISO 11117:2008/AC:2010 | Gas cylinders - Valve protection caps and valve guards - Design, construction and tests - Technical Corrigendum 1 (ISO 11117:2008/Cor 1:2009) | Atcelts |
| 61487 | EN ISO 11117:2019 | Gas cylinders - Valve protection caps, guards and shrouds - Design, construction and tests (ISO/DIS 11117:2018) | Standarts spēkā |
| 80839 | EN ISO 11117:2019/prA1 | Gas cylinders - Valve protection caps and guards - Design, construction and tests - Amendment 1 (ISO 11117:2019/DAM 1:2026) | Aptauja |
| 30404 | EN ISO 11118:2015 | Gas cylinders - Non-refillable metallic gas cylinders - Specification and test methods (ISO/DIS 11118:2009) | Atcelts |
| 66716 | EN ISO 11118:2015/A1:2020 | Gas cylinders - Non-refillable metallic gas cylinders - Specification and test methods (ISO 11118:2015:DAM 1:2018) | Atcelts |
| 64044 | EN ISO 11118:2015/prA1 | Gas cylinders - Non-refillable metallic gas cylinders - Specification and test methods (ISO 11118:2015/DAM 1:2017) | Izstrādē |
| 76973 | EN ISO 11118:2025 | Gas cylinders - Non-refillable metallic gas cylinders - Specification and test methods (ISO 11118:2025) | Standarts spēkā |
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