CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 65638 | LVS EN 1488:2021 | Building valves - Expansion groups - Tests and requirements | Standarts spēkā |
| 65638 | EN 1488:2021 | Building valves - Expansion groups - Tests and requirements | Standarts spēkā |
| 65637 | EN 12729:2023 | Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A | Izstrādē |
| 65637 | LVS EN 12729:2023 | Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A | Standarts spēkā |
| 65636 | prEN 13828 rev | Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings -Tests and requirements | Izstrādē |
| 64938 | prEN 1717 rev | Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow | Izstrādē |
| 64858 | EN 17215:2019 | Chemicals used for treatment of water intended for human consumption - Iron-based coagulants - Analytical methods | Izstrādē |
| 64858 | LVS EN 17215:2019 | Chemicals used for treatment of water intended for human consumption - Iron-based coagulants - Analytical methods | Standarts spēkā |
| 64817 | EN 1017:2014+A1:2017 | Chemicals used for treatment of water intended for human consumption - Half-burnt dolomite | Izstrādē |
| 64817 | LVS EN 1017+A1:2017 | Chemicals used for treatment of water intended for human consumption - Half-burnt dolomite | Standarts spēkā |
Displaying 241-250 of 1287 results.