CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 74275 | LVS EN 1408:2023 | Chemicals used for treatment of water intended for human consumption - Poly(diallyldimethylammonium chloride) | Standarts spēkā |
| 39572 | LVS EN 936:2014 | Chemicals used for treatment of water intended for human consumption - Carbon dioxide | Standarts spēkā |
| 58730 | EN 12485:2017 | Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide, calcium magnesium carbonate and dolomitic lime - Test methods | Standarts spēkā |
| 74274 | LVS EN 1407:2023 | Chemicals used for treatment of water intended for human consumption - Anionic and non-ionic polyacrylamides | Standarts spēkā |
| 74721 | LVS EN 13828:2025 | Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings - Tests and requirements | Standarts spēkā |
| 79646 | LVS EN 17821:2023/AC:2024 | Building valves - Frost resistant taps for outdoor use (FRT) - General technical specification | Standarts spēkā |
| 70551 | LVS EN 17821:2023 | Building valves - Frost resistant taps for outdoor use (FRT) - General technical specification | Standarts spēkā |
| 70554 | LVS EN 17962:2024 | Valves and fittings for buildings and devices to prevent pollution by backflow of potable water - Polymer parts and housings under internal pressure and without external loads | Standarts spēkā |
| 70175 | EN 901:2024 | Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite | Standarts spēkā |
| 69903 | EN 817:2024 | Sanitary tapware - Mechanical mixing valves (PN 10) - General technical specifications | Standarts spēkā |
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