Registration number (WIID)Project No.TitleStatus
59694EN 295-4:2013/prA1Vitrified clay pipe systems for drains and sewers - Part 4: Requirements for adaptors, connectors and flexible couplingsIzstrādē
70515EN 476:2022General requirements for components used in drains and sewersIzstrādē
69386EN 12255-13:2023Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationIzstrādē
69385prEN 12255-15 revWastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plantsIzstrādē
68378-Requirements and test methods for renovation methods for non-pressure drainage and sewerage networks inside buildingsIzstrādē
31270EN 295-7:2013Vitrified clay pipe systems for drains and sewers - Part 7: Requirements for pipes and joints for pipe jackingIzstrādē
31267EN 295-4:2013Vitrified clay pipe systems for drains and sewers - Part 4: Requirements for adaptors, connectors and flexible couplingsIzstrādē
21795EN 858-1:2002/A1:2004Separator systems for light liquids (e.g. oil and petrol) - Part 1: Principles of product design, performance and testing, marking and quality controlIzstrādē
65385prEN 12566-1Small wastewater treatment systems for up to 50 PT - Part 1: Prefabricated septic tanksIzstrādē
59498EN 1253-4:2016Gullies for buildings - Part 4: Access coversIzstrādē
Displaying 371-380 of 575 results.