CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 82150 | prEN 17821 rev | Building valves - Frost resistant taps for outdoor use (FRT) - General technical specification | Izstrādē |
| 82113 | prEN 13076 rev | Devices to prevent pollution by backflow of potable water - Unrestricted air gap-Family A - Type A | Izstrādē |
| 81896 | EN 817:2024/AC:2025 | Sanitary tapware - Mechanical mixing valves (PN 10) - General technical specifications | Izstrādē |
| 81542 | - | Chemicals used for treatment of water intended for human consumption - antiscalants for membranes – citric acid | Izstrādē |
| 81139 | - | Water conditioning equipment inside buildings — Devices using UV LED units — Requirements for performance, safety and testing. | Izstrādē |
| 81124 | prEN 1490 rev | Building valves - Combined temperature and pressure relief valves - Tests and requirements | Izstrādē |
| 81122 | prEN 1488 rev | Building valves - Expansion groups - Tests and requirements | Izstrādē |
| 81120 | prEN 1487 rev | Building valves – Hydraulic safety groups – Tests and requirements | Izstrādē |
| 81118 | prEN 1491 rev | Building valves - Expansion valves - Tests and requirements | Izstrādē |
| 81117 | prEN 1489 rev | Building valves - Pressure safety valves - Tests and requirements | Izstrādē |
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