Registration number (WIID)Project No.TitleStatus
69873LVS EN 12121:2022Chemicals used for treatment of water intended for human consumption - Sodium disulfiteStandarts spēkā
70554LVS EN 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
65638EN 1488:2021Building valves - Expansion groups - Tests and requirementsStandarts spēkā
74739LVS EN 17818:2024Devices for in-situ generation of biocides - Active chlorine generated from sodium chloride by electrolysisStandarts spēkā
20491LVS EN 806-1:2001/A1:2016Specifications for installations inside buildings conveying water for human consumption - Part 1: GeneralStandarts spēkā
7141LVS EN 15161:2007Water conditioning equipment inside buildings - Installation, operation, maintenance and repairStandarts spēkā
39561LVS EN 15040:2014Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and saltsStandarts spēkā
40491LVS EN 12678:2016Chemical used for treatment of water intended for human consumption - Potassium peroxomonosulfateStandarts spēkā
40510LVS EN 902:2016Chemicals used for treatment of water intended for human consumption - Hydrogen peroxideStandarts spēkā
67315EN 14944-1:2023Influence of cementitious products on water intended for human consumption - Test methods - Part 1: Influence of factory made cementitious products on organoleptic parametersStandarts spēkā
Displaying 1131-1140 of 1287 results.