Registration number (WIID)Project No.TitleStatus
7106LVS EN 14455:2005Devices to prevent pollution by backflow of potable water - Presssurised air inlet valves DN 15 to DN 50 - Family L, type A and type BStandarts spēkā
7026LVS EN 14454:2005Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H, type AStandarts 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
7018LVS EN 14452:2005Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type BStandarts 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
7017LVS EN 14451:2005Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 8 to DN 80 - Family D, type AAtcelts
6936LVS EN 1444:2002Fibre-cement pipelines - Guide for laying and on-site work practicesStandarts spēkā
7075LVS EN 14395-1:2005Influence of organic materials on water intended for human consumption - Organoleptic assessment of water in storage systems - Part 1: Test methodStandarts spēkā
40508LVS EN 14369:2015Products used for treatment of water intended for human consumption - Iron-coated granular activated aluminaStandarts spēkā
21304LVS EN 14369:2004Products used for treatment of water intended for human consumption - Iron coated granular activated aluminaAtcelts
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