CEN/TC 23
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 78747 | prEN ISO 9809-4 | Gas cylinders - Design, construction and testing of refillable seamless steel gas cylinders and tubes - Part 4: Stainless steel cylinders with an R m value of less than 1 100 MPa (ISO/DIS 9809-4:2024) | Aptauja slēgta |
| 78843 | prEN ISO 10298 rev | Gas cylinders — Gases and gas mixtures — Determination of toxicity for the selection of cylinder valve outlets | Izstrādē |
| 78844 | EN ISO 14246:2022/prA1 | Gas cylinders - Cylinder valves - Manufacturing tests and examinations - Amendment 1 (ISO 14246:2022/DAM 1:2025) | Aptauja |
| 79092 | prEN 13807 | Transportable gas cylinders - Battery vehicles and multiple-element gas containers (MEGCs) - Design, manufacture, identification and testing | Aptauja slēgta |
| 79093 | prEN 13385 | Transportable gas cylinders - Battery vehicles and multiple-element gas containers (MEGCs) for compressed and liquefied gases (excluding acetylene) - Inspection at time of filling | Aptauja slēgta |
| 79797 | prEN ISO 18119 rev | Gas cylinders — Seamless steel and seamless aluminium-alloy gas cylinders and tubes — Periodic inspection and testing | Izstrādē |
| 80088 | EN ISO 17871:2020/prA2 | Gas cylinders — Quick-release cylinder valves — Specification and type testing — Amendment 2 | Izstrādē |
| 80089 | prEN ISO 17879 rev | Gas cylinders — Self-closing cylinder valves — Specification and type testing | Izstrādē |
| 80839 | EN ISO 11117:2019/prA1 | Gas cylinders — Valve protection caps and guards — Design, construction and tests — Amendment 1 | Izstrādē |
| 80840 | EN ISO 10156:2017/prA1 | Gas cylinders — Gases and gas mixtures — Determination of fire potential and oxidizing ability for the selection of cylinder valve outlets — Amendment 1 | Izstrādē |
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