CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 74723 | EN 13079:2025 | Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type D | Izstrādē |
| 75801 | FprEN 1508 | Water supply - Requirements for systems and components for the storage of water | Izstrādē |
| 81025 | prEN 888 | Chemicals used for treatment of water intended for human consumption - Iron (III) chloride | Izstrādē |
| 76303 | prEN 882 | Chemicals used for treatment of water intended for human consumption - Sodium aluminate | Izstrādē |
| 81896 | EN 817:2024/AC:2025 | Sanitary tapware - Mechanical mixing valves (PN 10) - General technical specifications | Izstrādē |
| 69875 | EN 12123:2022 | Chemicals used for treatment of water intended for human consumption - Ammonium sulfate | Izstrādē |
| 7033 | EN 1489:2000 | Building valves - Pressure safety valves - Tests and requirements | Izstrādē |
| 69877 | EN 16370:2022 | Chemicals used for treatment of water intended for human consumption - Sodium chloride for on site electrochlorination using membrane cells | Izstrādē |
| 69905 | prEN 1017 | Chemicals used for treatment of water intended for human consumption - Half-burnt dolomite | Izstrādē |
| 81024 | prEN 890 | Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solution | Izstrādē |
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