CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 74277 | LVS EN 1410:2023 | Chemicals used for treatment of water intended for human consumption - Cationic polyacrylamides | 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 |
| 23003 | LVS EN 1199:2005 | Chemicals used for treatment of water intended for human consumption - Disodium hydrogen orthophosphate | Standarts spēkā |
| 7015 | LVS EN 14367:2005 | Non controllable backflow preventer with different pressure zones - Family C, type A | Standarts spēkā |
| 6921 | LVS EN 806-1:2001 +A1 A | Specifications for installations inside buildings conveying water for human consumption - Part 1: General | Standarts spēkā |
| 7030 | LVS EN 1567:2001 | Building valves - Water pressure reducing valves and combination water pressure reducing valves - Requirements and tests | 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 |
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