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
69873LVS EN 12121:2022Chemicals used for treatment of water intended for human consumption - Sodium disulfiteStandarts spēkā
69877LVS EN 16370:2022Chemicals used for treatment of water intended for human consumption - Sodium chloride for on site electrochlorination using membrane cellsStandarts spēkā
67331LVS CEN/TR 17801:2022Guidelines for water safety plan concept in buildingsStandarts spēkā
74276LVS EN 1409:2023Chemicals used for water treatment intended for human consumption - PolyaminesStandarts 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
69891LVS EN 12175:2022Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acidStandarts spēkā
6933LVS EN 641:2000Reinforced concrete pressure pipes, cylinder type, including joints and fittingsStandarts spēkā
7015LVS EN 14367:2005Non controllable backflow preventer with different pressure zones - Family C, type AStandarts spēkā
32474LVS EN 13177:2010Chemicals used for treatment of water intended for human consumption - MethanolStandarts spēkā
Displaying 81-90 of 1311 results.