CEN/TC 23
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 68344 | EN ISO 11623:2023 | Gas cylinders - Composite cylinders and tubes - Periodic inspection and testing (ISO 11623:2023) | Izstrādē |
| 82751 | prEN ISO 11114-2 rev | Gas cylinders — Compatibility of cylinder and valve materials with gas contents — Part 2: Non-metallic materials | Izstrādē |
| 79093 | EN 13385:2025 | Transportable gas cylinders - Battery vehicles and multiple-element gas containers (MEGCs) for compressed and liquefied gases (excluding acetylene) - Inspection at time of filling | Izstrādē |
| 83000 | prEN ISO 11114-1 rev | Gas cylinders — Compatibility of cylinder and valve materials with gas contents — Part 1: Metallic materials | Izstrādē |
| 22305 | - | Gas cylinders - Refillable seamless gas cylinders - Design, construction and testing - Part 1: Quenched and tempered steel cylinders with tensile strength less than 1 100 MPa (ISO 9809-1:1999) | Izstrādē |
| 30015 | EN 1089-3:2011 | Transportable gas cylinders - Gas cylinder identification (excluding LPG) - Part 3: Colour coding | Izstrādē |
| 20678 | EN 12257:2002/prA1 | Transportable gas cylinders - Seamless, hoop-wrapped composite cylinders | Izstrādē |
| 20676 | prEN 13322-2/prA1 | Transportable gas cylinders - Refillable welded stainless steel gas cylinders - Design and construction - Part 2: Stainless steel | Izstrādē |
| 494 | EN 12862:2000 | Transportable gas cylinders - Specification for the design and construction of refillable transportable welded aluminium alloy gas cylinders | Izstrādē |
| 64044 | EN ISO 11118:2015/prA1 | Gas cylinders - Non-refillable metallic gas cylinders - Specification and test methods (ISO 11118:2015/DAM 1:2017) | Izstrādē |
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