Registration number (WIID)Project No.TitleStatus
69897LVS EN 12126:2022Chemicals used for treatment of water intended for human consumption - Liquefied ammoniaStandarts spēkā
32474LVS EN 13177:2010Chemicals used for treatment of water intended for human consumption - MethanolStandarts spēkā
74263LVS EN 12122:2024Chemicals used for treatment of water intended for human consumption - Ammonia solutionStandarts spēkā
7034LVS EN 1490:2001Building valves - Combined temperature and pressure relief valves - Tests and requirementsStandarts spēkā
69896LVS EN 12124:2022Chemicals used for treatment of water intended for human consumption - Sodium sulfiteStandarts spēkā
7020LVS EN 14453:2005Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type CStandarts spēkā
67331LVS CEN/TR 17801:2022Guidelines for water safety plan concept in buildingsStandarts spēkā
63442LVS EN 14451:2020Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type AStandarts spēkā
38242LVS EN 12873-1:2014Influence of materials on water intended for human consumption - Influence due to migration - Part 1: Test method for factory-made products made from or incorporating organic or glassy (porcelain/vitreous enamel) materialsStandarts spēkā
64858LVS EN 17215:2019Chemicals used for treatment of water intended for human consumption - Iron-based coagulants - Analytical methodsStandarts spēkā
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