CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 38551 | prEN 12897 rev | Water supply - Specification for indirectly heated unvented (closed) storage water heaters | Izstrādē |
| 33596 | EN 1113:2008/FprA1 | Sanitary tapware - Shower hoses for sanitary tapware for water supply systems of type 1 and type 2 - General technical specification | Izstrādē |
| 79276 | prEN 12897-2 | Water supply – Part 2: Corrosion protection by enamelling and cathodic protection – Requirements and testing | 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 |
| 22427 | EN 935:2004 | Chemicals used for treatment of water intended for human consumption - Aluminium iron(III) chloride (monomeric) and aluminium iron(III) chloride hydroxide (monomeric) | 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 |
| 60544 | EN 17034:2018 | Chemicals used for treatment of water intended for human consumption - Polyaluminium chloride hydroxyde and polyaluminium chloride hydroxide sulfate | Izstrādē |
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