Registration number (WIID)Project No.TitleStatus
7012LVS EN 13079:2003Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type DStandarts spēkā
67315LVS EN 14944-1:2023Influence of cementitious products on water intended for human consumption - Test methods - Part 1: Influence of factory made cementitious products on organoleptic parametersStandarts spēkā
40509LVS EN 938:2016Chemicals used for treatment of water intended for human consumption - Sodium chloriteStandarts spēkā
28673LVS EN 14897+A1:2007Water conditioning equipment inside buildings - Devices using mercury low-pressure ultraviolet radiators - Requirements for performance, safety and testingStandarts spēkā
69897LVS EN 12126:2022Chemicals used for treatment of water intended for human consumption - Liquefied ammoniaStandarts spēkā
39560LVS EN 15041:2014Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - PolyphosphatesStandarts spēkā
21307LVS EN 14622:2005Devices to prevent pollution by backflow of potable water - Air gap with circular overflow (restricted) - Family A, type FStandarts spēkā
22427LVS EN 935:2005Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) chloride (monomeric) and aluminium iron(III) chloride hydroxide (monomeric)Standarts spēkā
37291LVS EN 15075:2013Chemicals used for treatment of swimming pool water - Sodium hydrogen carbonateStandarts spēkā
37280LVS EN 12911:2013Products used for treatment of water intended for human consumption - Manganese greensandStandarts spēkā
Displaying 251-260 of 1287 results.