Registration number (WIID)Project No.TitleStatus
69052EN 889:2023Chemicals used for treatment of water intended for human consumption - Iron (II) sulfateStandarts spēkā
6931LVS EN 639:2000Common requirements for concrete pressure pipes including joints and fittingsStandarts spēkā
7132LVS EN 974:2004Chemical used for treatment of water intended for human consumption - Phosphoric acidStandarts spēkā
7090LVS EN 12901:2001Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - DefinitionsStandarts spēkā
36411LVS EN 12906:2013Products used for treatment of water intended for human consumption - PumiceStandarts spēkā
30386LVS EN 15848:2010Water conditioning equipment inside buildings - Adjustable chemical dosing systems - Requirements for performance, safety and testingStandarts spēkā
6936LVS EN 1444:2002Fibre-cement pipelines - Guide for laying and on-site work practicesStandarts spēkā
37263LVS EN 1487:2014Building valves - Hydraulic safety groups - Tests and requirementsStandarts spēkā
74280LVS EN 1405:2023Chemicals used for treatment of water intended for human consumption - Sodium alginateStandarts spēkā
30424LVS EN 12903:2009Products used for the treatment of water intended for human consumption - Powdered activated carbonStandarts spēkā
Displaying 41-50 of 1287 results.