CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 21696 | prEN 1408:1998 rev | Chemicals used for treatment of water intended for human consumption - Poly (diallyldimethylammonium chloride) | Izstrādē |
| 37290 | EN 900:2014 | Chemicals used for treatment of water intended for human consumption - Calcium hypochlorite | Izstrādē |
| 74720 | prEN 14367 | Non controllable backflow preventer with different pressure zones - Family C, type A | Izstrādē |
| 67321 | prEN 12903 rev | Products used for the treatment of water intended for human consumption - Powdered activated carbon | Izstrādē |
| 74264 | prEN 973 rev | Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers | Izstrādē |
| 67336 | prEN 16070 rev | Products used for treatment of water intended for human consumption - Natural zeolite | Izstrādē |
| 21306 | EN 14506:2005 | Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C | Izstrādē |
| 27240 | prEN 1111 | Sanitary Tapware - Thermostatic Mixing Valves (PN 10) - General Technical Specification | Izstrādē |
| 36428 | EN 12386:2012 | Chemicals used for treatment of water intended for human consumption - Copper sulfate | Izstrādē |
| 36421 | EN 898:2012 | Chemicals used for treatment of water intended for human consumption - Sodium hydrogen carbonate | Izstrādē |
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