CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 6933 | EN 641:1994 | Reinforced concrete pressure pipes, cylinder type, including joints and fittings | Izstrādē |
| 74720 | prEN 14367 | Non controllable backflow preventer with different pressure zones - Family C, type A | Izstrādē |
| 74719 | prEN 15039 rev | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polycarboxilic acids and salts | Izstrādē |
| 74718 | prEN 12932 rev | Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Sodium dichloroisocyanurate, dihydrate | Izstrādē |
| 38120 | EN 16421:2014 | Influence of materials on water for human consumption - Enhancement of microbial growth (EMG) | Izstrādē |
| 70548 | EN 13433:2021 | Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A | Izstrādē |
| 81120 | prEN 1487 | Building valves - Hydraulic safety groups - Tests and requirements | Izstrādē |
| 34106 | prEN 16070 | Products used for treatment of water intended for human consumption - Natural Zeolite | Izstrādē |
| 76318 | prEN 12903 rev | Products used for the treatment of water intended for human consumption - Powdered activated carbon | Izstrādē |
| 76295 | prEN 12876 rev | Chemicals used for treatment of water intended for human consumption - Oxygen | Izstrādē |
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