Registration number (WIID)Project No.TitleStatus
72360prEN 938 revChemicals used for treatment of water intended for human consumption - Sodium chloriteIzstrādē
72351prEN 900 revChemicals used for treatment of water intended for human consumption - Calcium hypochloriteIzstrādē
71692EN 12897:2016/prA1Water supply - Specification for indirectly heated unvented (closed) storage water heatersIzstrādē
71041prEN 14944-4 Influence of cement based products on water intended for human consumption - Test methods - Part 4: Migration of substances from site-applied cement based materials and associated non-cement based products/materialsIzstrādē
70894LVS EN 13077:2023Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type BStandarts spēkā
70894EN 13077:2023Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type BIzstrādē
70808LVS EN 17971:2024Devices for in-situ generation of biocides - OzoneStandarts spēkā
70808EN 17971:2024Devices for in-situ generation of biocides - OzoneStandarts spēkā
70555prEN 14367 revNon controllable backflow preventer with different pressure zones - Family C, type AIzstrādē
70554EN 17962:2024Valves and fittings for buildings and devices to prevent pollution by backflow of potable water - Polymer parts and housings under internal pressure and without external loadsStandarts spēkā
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