CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69900 | EN 15799:2022 | Products used for treatment of swimming pool water - Powdered activated carbon | Izstrādē |
| 40515 | prEN 1488 rev | Building valves - Expansion groups - Tests and requirements | Izstrādē |
| 70894 | EN 13077:2023 | Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B | Izstrādē |
| 77252 | - | Building valves — Combined Products— Tests and requirements | Izstrādē |
| 69891 | EN 12175:2022 | Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid | Izstrādē |
| 70550 | EN 16056:2023 | Influence of metallic materials on water intended for human consumption - Method to evaluate the passive behaviour of stainless steels and other passive alloys | Izstrādē |
| 7034 | EN 1490:2000 | Building valves - Combined temperature and pressure relief valves - Tests and requirements | Izstrādē |
| 81139 | prEN 18380 | Water conditioning equipment inside buildings — Devices using UV LED units — Requirements for performance, safety and testing. | Izstrādē |
| 37287 | EN 15078:2013 | Chemicals used for treatment of swimming pool water - Sulfuric acid | Izstrādē |
| 64858 | EN 17215:2019 | Chemicals used for treatment of water intended for human consumption - Iron-based coagulants - Analytical methods | Izstrādē |
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