CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 40530 | EN 12897:2016 | Water supply - Specification for indirectly heated unvented (closed) storage water heaters | Atcelts |
| 40516 | prEN 12729 rev | Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B, type A | Izstrādē |
| 40515 | prEN 1488 rev | Building valves - Expansion groups - Tests and requirements | Izstrādē |
| 40514 | prEN 13828 rev | Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings - Tests and requirements | Izstrādē |
| 40513 | LVS EN 15074:2015 | Chemicals used for treatment of swimming pool water - Ozone | Standarts spēkā |
| 40513 | EN 15074:2014 | Chemicals used for treatment of swimming pool water - Ozone | Izstrādē |
| 40512 | LVS EN 14368:2015 | Products used for treatment of water intended for human consumption - Manganese dioxide coated limestone | Standarts spēkā |
| 40512 | EN 14368:2015 | Products used for treatment of water intended for human consumption - Manganese dioxide coated limestone | Izstrādē |
| 40510 | EN 902:2016 | Chemicals used for treatment of water intended for human consumption - Hydrogen peroxide | Izstrādē |
| 40510 | LVS EN 902:2016 | Chemicals used for treatment of water intended for human consumption - Hydrogen peroxide | Standarts spēkā |
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