Registration number (WIID)Project No.TitleStatus
69899LVS EN 15798:2022Products used for the treatment of swimming pool water - Filter mediaStandarts spēkā
69880LVS EN 899:2022Chemicals used for treatment of water intended for human consumption - Sulfuric acidStandarts spēkā
39571LVS EN 15363:2014Chemicals used for treatment of swimming pool water - ChlorineStandarts spēkā
69873LVS EN 12121:2022Chemicals used for treatment of water intended for human consumption - Sodium disulfiteStandarts spēkā
79349EN 18087:2026Devices for in-situ generation of biocides - Chlorine dioxide generated from sodium chlorite by acidification or oxidationStandarts spēkā
69893LVS EN 1491:2022Building valves - Expansion valves - Tests and requirementsStandarts spēkā
69891LVS EN 12175:2022Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acidStandarts spēkā
32473LVS EN 16038:2012Chemicals used for treatment of water for swimming pools - Sodium hydrogen sulfateStandarts spēkā
21307LVS EN 14622:2005Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type FStandarts spēkā
7127LVS CEN/TR 14740:2004Chemicals used for treatment of water intended for human consumption - Ozone-Production - Guidelines for installations and minimal functional requirementsStandarts spēkā
Displaying 41-50 of 1311 results.