Registration number (WIID)Project No.TitleStatus
70808LVS EN 17971:2024Devices for in-situ generation of biocides - OzoneStandarts spēkā
72998LVS EN 17841:2024Chemical used for treatment of water intended for human consumption - Antifouling for membranes - Sulphamic acidStandarts spēkā
32464LVS EN 16057:2012Influence of metallic materials on water intended for human consumption - Determination of residual surface lead (Pb) - Extraction methodStandarts 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
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
63441LVS EN 15096:2020Devices to prevent pollution by backflow of potable water - Hose Union anti-vacuum valves - DN 15 to DN 25 inclusive Family H, type B and type D - General technical specificationStandarts spēkā
70894LVS EN 13077:2023Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type BStandarts spēkā
39567LVS EN 12518:2014Chemicals used for treatment of water intended for human consumption - High-calcium limeStandarts spēkā
65637LVS EN 12729:2023Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type AStandarts spēkā
24075LVS EN 1019:2005Chemicals used for treatment of water intended for human consumption - Sulfur dioxideStandarts spēkā
Displaying 1121-1130 of 1326 results.