Registration number (WIID)Project No.TitleStatus
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
72998LVS EN 17841:2024Chemical used for treatment of water intended for human consumption - Antifouling for membranes - Sulphamic acidStandarts spēkā
79646LVS EN 17821:2023/AC:2024Building valves - Frost resistant taps for outdoor use (FRT) - General technical specificationStandarts spēkā
70551LVS EN 17821:2023Building valves - Frost resistant taps for outdoor use (FRT) - General technical specificationStandarts spēkā
74739LVS EN 17818:2024Devices for in-situ generation of biocides - Active chlorine generated from sodium chloride by electrolysisStandarts spēkā
64858LVS EN 17215:2019Chemicals used for treatment of water intended for human consumption - Iron-based coagulants - Analytical methodsStandarts spēkā
69904LVS EN 1717:2025Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflowStandarts spēkā
6929LVS EN 1717:2002Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflowAtcelts
60544LVS EN 17034:2018Chemicals used for treatment of water intended for human consumption - Aluminium chloride anhydrous, aluminium chloride basic, dialuminium chloride pentahydroxide and aluminium chloride hydroxide sulfateStandarts spēkā
38120LVS EN 16421:2015Influence of materials on water for human consumption - Enhancement of microbial growth (EMG)Standarts spēkā
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