CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70894 | LVS EN 13077:2023 | Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B | Standarts spēkā |
| 70808 | LVS EN 17971:2024 | Devices for in-situ generation of biocides - Ozone | Standarts spēkā |
| 70808 | EN 17971:2024 | Devices for in-situ generation of biocides - Ozone | Standarts spēkā |
| 70555 | prEN 14367 rev | Non controllable backflow preventer with different pressure zones - Family C, type A | Izstrādē |
| 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 |
| 70554 | 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 |
| 70553 | - | Building valves — Combined Products— Tests and requirements | Izstrādē |
| 70552 | prEN 1490 rev | Building valves - Combined temperature and pressure relief valves - Tests and requirements | Izstrādē |
| 70551 | LVS EN 17821:2023 | Building valves - Frost resistant taps for outdoor use (FRT) - General technical specification | Standarts spēkā |
| 70551 | EN 17821:2023 | Building valves - Frost resistant taps for outdoor use (FRT) - General technical specification | Standarts spēkā |
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