CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69897 | LVS EN 12126:2022 | Chemicals used for treatment of water intended for human consumption - Liquefied ammonia | Standarts spēkā |
| 7011 | LVS EN 13078:2004 | Devices to prevent pollution by backflow of potable water - Air gap submerged feed incorporating air inlet plus overflow - Family A, typ C | Standarts spēkā |
| 21306 | LVS EN 14506:2005 | Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C | 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 |
| 28671 | LVS EN 14743+A1:2007 | Water conditioning equipment inside buildings - Softeners - Requirements for performance, safety and testing | Standarts spēkā |
| 28672 | LVS EN 14812+A1:2007 | Water conditioning equipment inside buildings - Chemical dosing systems - Pre-set dosing systems - Requirements for performance, safety and testing | Standarts spēkā |
| 28674 | LVS EN 14898+A1:2007 | Water conditioning equipment inside buildings - Active media filters - Requirements for performance, safety and testing | Standarts spēkā |
| 69873 | LVS EN 12121:2022 | Chemicals used for treatment of water intended for human consumption - Sodium disulfite | Standarts spēkā |
| 7030 | LVS EN 1567:2001 | Building valves - Water pressure reducing valves and combination water pressure reducing valves - Requirements and tests | Standarts spēkā |
| 74274 | LVS EN 1407:2023 | Chemicals used for treatment of water intended for human consumption - Anionic and non-ionic polyacrylamides | Standarts spēkā |
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