Registration number (WIID)Project No.TitleStatus
38120LVS EN 16421:2015Influence of materials on water for human consumption - Enhancement of microbial growth (EMG)Standarts spēkā
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
6929LVS EN 1717:2002Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflowStandarts spēkā
64858LVS EN 17215:2019Chemicals used for treatment of water intended for human consumption - Iron-based coagulants - Analytical methodsStandarts spēkā
74739LVS EN 17818:2024Devices for in-situ generation of biocides - Active chlorine generated from sodium chloride by electrolysisStandarts spēkā
70551LVS EN 17821:2023Building valves - Frost resistant taps for outdoor use (FRT) - General technical specificationStandarts spēkā
79646LVS EN 17821:2023/AC:2024Building valves - Frost resistant taps for outdoor use (FRT) - General technical specificationStandarts spēkā
72998LVS EN 17841:2024Chemical used for treatment of water intended for human consumption - Antifouling for membranes - Sulphamic acidStandarts 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
70808LVS EN 17971:2024Devices for in-situ generation of biocides - OzoneStandarts spēkā
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