Registration number (WIID)Project No.TitleStatus
21307LVS EN 14622:2005Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type FStandarts spēkā
21306LVS EN 14506:2005Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type CStandarts spēkā
21302LVS EN 14456:2004Products used for treatment water intended for human consumption - Bone charcoalStandarts spēkā
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
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