Registration number (WIID)Project No.TitleStatus
66900prEN 12255-1 revWastewater treatment plants - Part 1: General construction principlesIzstrādē
76645FprEN 12255-7:2024Wastewater treatment plants - Part 7: Biological fixed-film reactorsIzstrādē
66083prEN 12380 revAir admittance valves for drainage systems - Requirements, tests methods and evaluation of conformityIzstrādē
23176prEN 295-1 revVitrified clay pipes and fittings and pipe joints for drains and sewers - Part 1: RequirementsIzstrādē
23178prEN 295-3 revVitrified clay pipes and fittings and pipe joints for drains and sewers - Part 3: Test methodsIzstrādē
67880EN 14654-2:2021Drain and sewer systems outside buildings - Management and control of activities - Part 2: RehabilitationIzstrādē
37865prEN 1253-3 revGullies for buildings - Part 3: Quality controlIzstrādē
65387prEN 12566-7Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment unitsIzstrādē
25635prEN 16506Systems for renovation of drains and sewers - Lining with a rigidly anchored plastics inner layer (RAPL)Izstrādē
7306EN 1124-1:1999/A1:2004Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - Part 1: Requirements, testing, quality controlIzstrādē
Displaying 551-560 of 567 results.