Registration number (WIID)Project No.TitleStatus
7281LVS EN 12255-15:2004Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plantsStandarts spēkā
7301LVS CEN/TR 14920:2005Jetting resistance of drain and sewer pipes - Moving jet test methodStandarts spēkā
66909LVS EN 12255-5:2024Wastewater treatment plants - Part 5: Lagooning processesStandarts spēkā
7215LVS EN 1124-1:2000Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - Part 1: Requirements, testing, quality controlStandarts spēkā
59698LVS EN 16941-2:2021On-site non-potable water systems - Part 2: Systems for the use of treated greywaterStandarts spēkā
28767LVS EN 1123-2+A1:2007Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems - Part 2: DimensionsStandarts spēkā
30886LVS EN 1916:2003 /AC:2008Concrete pipes and fittings, unreinforced, steel fibre and reinforcedStandarts spēkā
41268LVS EN 12566-4:2016Small wastewater treatment systems for up to 50 PT - Part 4: Septic tanks assembled in situ from prefabricated kitsStandarts spēkā
31267LVS EN 295-4:2013Vitrified clay pipe systems for drains and sewers - Part 4: Requirements for adaptors, connectors and flexible couplingsStandarts spēkā
66910LVS EN 12255-6:2023Wastewater treatment plants - Part 6: Activated sludge processStandarts spēkā
Displaying 451-460 of 575 results.