Registration number (WIID)Project No.TitleStatus
21308LVS EN 14623:2005Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type GStandarts spēkā
21302LVS EN 14456:2004Products used for treatment water intended for human consumption - Bone charcoalStandarts spēkā
23012LVS EN 1208:2005Chemicals used for treatment of water intended for human consumption - Sodium calcium polyphosphateStandarts spēkā
28763LVS EN 13443-1+A1:2007Water conditioning equipment inside buildings - Mechanical filters - Part 1: Particle rating 80 µm to 150 µm; Requirements for performances, safety and testingStandarts spēkā
70808LVS EN 17971:2024Devices for in-situ generation of biocides - OzoneStandarts spēkā
28670LVS EN 14652+A1:2007Water conditioning equipment inside buildings - Membrane separation devices - Requirements for performance, safety and testingStandarts spēkā
6923LVS EN 806-3:2006Specifications for installations inside buildings conveying water for human consumption - Part 3: Pipe sizing - Simplified methodStandarts spēkā
67324LVS EN 14944-3:2024Influence of cementitious products on water intended for human consumption - Test methods - Part 3: Migration of substances from factory-made cementititous productsStandarts spēkā
69893EN 1491:2022Building valves - Expansion valves - Tests and requirementsStandarts spēkā
70554EN 17962:2024Valves and fittings for buildings and devices to prevent pollution by backflow of potable water - Polymer parts and housings under internal pressure and without external loadsStandarts spēkā
Displaying 1071-1080 of 1290 results.