CEN/TC 23
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 71609 | prEN ISO 23826 | Gas cylinders - Ball valves - Specification and type testing | Izstrādē |
| 22306 | prEN ISO 9809-2 | Gas cylinders - Refillable seamless gas cylinders - Design construction and testing - Part 2: Quenched and tempered steel cylinders with tensile strength great than or equal to 1 100 MPa (ISO 9809-2:2000) | Izstrādē |
| 22307 | prEN ISO 9809-3 | Gas cylinders - Refillable seamless gas cylinders - Design construction and testing - Part 3: Normalized steel cylinders (ISO 9809-3:2000) | Izstrādē |
| 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 |
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