CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69873 | LVS EN 12121:2022 | Chemicals used for treatment of water intended for human consumption - Sodium disulfite | Standarts spēkā |
| 40494 | LVS EN 12671:2016 | Chemicals used for treatment of water intended for human consumption - Chlorine dioxide generated in situ | Standarts spēkā |
| 22427 | LVS EN 935:2005 | Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) chloride (monomeric) and aluminium iron(III) chloride hydroxide (monomeric) | Standarts spēkā |
| 39560 | LVS EN 15041:2014 | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polyphosphates | Standarts spēkā |
| 28673 | LVS EN 14897+A1:2007 | Water conditioning equipment inside buildings - Devices using mercury low-pressure ultraviolet radiators - Requirements for performance, safety and testing | Standarts spēkā |
| 40509 | LVS EN 938:2016 | Chemicals used for treatment of water intended for human consumption - Sodium chlorite | Standarts spēkā |
| 7012 | LVS EN 13079:2003 | Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type D | Standarts spēkā |
| 37290 | LVS EN 900:2014 | Chemicals used for treatment of water intended for human consumption - Calcium hypochlorite | Standarts spēkā |
| 67330 | LVS EN 12873-4:2022 | Influence of materials on water intended for human consumption - Influence due to migration - Part 4: Test method for water treatment membranes | 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 |
Displaying 1121-1130 of 1290 results.