CEN/TC 23
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 40097 | EN ISO 24431:2016 | Gas cylinders - Seamless, welded and composite cylinders for compressed and liquefied gases (excluding acetylene) - Inspection at time of filling (ISO 24431:2016) | Izstrādē |
| 34242 | prEN ISO 22435 rev | Gas cylinders - Cylinder valves with integrated pressure regulators - Specification and type testing | Izstrādē |
| 75809 | EN ISO 10286:2021/prA1 | Gas cylinders - Vocabulary (ISO 10286:2021) | Izstrādē |
| 75816 | FprEN ISO 10286 | Gas cylinders - Vocabulary (ISO/FDIS 10286:2025) | Izstrādē |
| 62763 | EN ISO 9809-3:2019 | Gas cylinders - Design, construction and testing of refillable seamless steel gas cylinders and tubes - Part 3: Normalized steel cylinders and tubes (ISO 9809-3:2019) | Izstrādē |
| 62761 | EN ISO 9809-1:2019 | Gas cylinders - Design, construction and testing of refillable seamless steel gas cylinders and tubes - Part 1: Quenched and tempered steel cylinders and tubes with tensile strength less than 1 100 MPa (ISO 9809-1:2019) | Izstrādē |
| 20674 | EN 12862:2000/prA1 | Transportable gas cylinders - Specification for the design and construction of refillable transportable welded aluminium alloy gas cylinders | Izstrādē |
| 20672 | EN 1964-1:1999/prA1 | Transportable gas cylinders - Specification for the design and construction of refillable transportable seamless steel gas cylinders of water capacities from 0,5 litre up to and including 150 litres - Part 1: Cylinders made of seamless steel with an Rm value of less than 1100 MPa | Izstrādē |
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