Registration number (WIID)Project No.TitleStatus
28152prEN 12380 revAir admittance valves for drainage systemsIzstrādē
64289EN 12566-4:2016/prA1Small wastewater treatment systems for up to 50 PT - Part 4: Septic tanks assembled in situ from prefabricated kitsIzstrādē
59697prEN 13564-1 revAnti-flooding devices for buildings - Part 1: RequirementsIzstrādē
41268EN 12566-4:2016Small wastewater treatment systems for up to 50 PT - Part 4: Septic tanks assembled in situ from prefabricated kitsIzstrādē
7305EN 1123-1:1999/A1:2004Pipes and fittings of longitudinally welded hot-dip galvanized steel pipes with spigot and socket for waste water systems - Part 1: Requirements, testing, quality controlIzstrādē
7249prEN 12255-11Waste water treatment plants - Part 11: General dataIzstrādē
23178prEN 295-3 revVitrified clay pipes and fittings and pipe joints for drains and sewers - Part 3: Test methodsIzstrādē
83866-Wastewater treatment plants — Part 17: Removal of micropollutants – General requirements and system designIzstrādē
39506EN 13564-1:2002/prA1Anti-flooding devices for buildings - Part 1: RequirementsIzstrādē
66911prEN 12255-7 revWastewater treatment plants - Part 7: Biological fixed-film reactorsIzstrādē
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