Registration number (WIID)Project No.TitleStatus
69051LVS EN 891:2023Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfateStandarts 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
29683LVS EN 15032+A1:2008Chemicals used for treatment of swimming pool water - Trichloroisocyanuric acidStandarts spēkā
32471LVS EN 16037:2012Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfateStandarts spēkā
69056LVS EN 14664:2023Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate, solidStandarts spēkā
69872LVS EN 12120:2022Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfiteStandarts spēkā
74275LVS EN 1408:2023Chemicals used for treatment of water intended for human consumption - Poly(diallyldimethylammonium chloride)Standarts spēkā
74721LVS EN 13828:2025Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings - Tests and requirementsStandarts spēkā
23006LVS EN 1202:2005Chemicals used for treatment of water intended for human consumption - Dipotassium hydrogen orthophosphateStandarts spēkā
74723EN 13079:2025Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type DStandarts spēkā
Displaying 181-190 of 1296 results.