CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 74280 | EN 1405:2023 | Chemicals used for treatment of water intended for human consumption - Sodium alginate | Izstrādē |
| 74724 | prEN 13959 rev | Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D | Izstrādē |
| 80408 | prEN 12897-1 | Water supply — Indirectly heated unvented (closed) storage water heaters — Part 1: General specifications and common test methods | Izstrādē |
| 67335 | prEN 12904 rev | Products used for treatment of water intended for human consumption - Silica sand and silica gravel | Izstrādē |
| 27254 | EN 15219:2006/prA1 | Water conditioning equipment inside buildings - Nitrate removal devices - Requirements for performance, safety and testing | Izstrādē |
| 81026 | prEN 888 rev | Chemicals used for treatment of water intended for human consumption - Iron (III) chloride | Izstrādē |
| 27235 | EN 14743:2005/prA1 | Water conditioning equipment inside buildings - Softeners - Requirements for performance, safety and testing | 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 |
| 60544 | EN 17034:2018 | Chemicals used for treatment of water intended for human consumption - Polyaluminium chloride hydroxyde and polyaluminium chloride hydroxide sulfate | Izstrādē |
| 21307 | EN 14622:2005 | Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type F | Izstrādē |
Displaying 891-900 of 1311 results.