CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 34106 | prEN 16070 | Products used for treatment of water intended for human consumption - Natural Zeolite | Izstrādē |
| 69898 | prEN 896 | Chemicals used for treatment of water intended for human consumption - Sodium hydroxide | Izstrādē |
| 67330 | EN 12873-4:2021 | Influence of materials on water intended for human consumption - Influence due to migration - Part 4: Test method for water treatment membranes | Izstrādē |
| 77255 | EN 1287:2026 | Sanitary tapware - Low pressure thermostatic mixing valves - General technical specification | Izstrādē |
| 67326 | prEN 13754 rev | Products used for treatment of water intended for human consumption - Bentonite | Izstrādē |
| 37264 | prEN 13433 rev | Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A | Izstrādē |
| 6915 | EN 248:2002 | Sanitary tapware - General specification for electrodeposited coatings of Ni-Cr | Izstrādē |
| 7030 | EN 1567:1999 | Building valves - Water pressure reducing valves and combination water pressure reducing valves - Requirements and tests | Izstrādē |
| 21308 | EN 14623:2005 | Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G | Izstrādē |
| 70552 | prEN 1490 rev | Building valves - Combined temperature and pressure relief valves - Tests and requirements | Izstrādē |
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