CEN/TC 165
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69385 | prEN 12255-15 rev | Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants | Izstrādē |
| 36241 | prEN 12255-16 rev | Wastewater treatment plants - Part 16: Physical (mechanical) filtration | Izstrādē |
| 66900 | prEN 12255-1 rev | Wastewater treatment plants - Part 1: General construction principles | Izstrādē |
| 66911 | prEN 12255-7 rev | Wastewater treatment plants - Part 7: Biological fixed-film reactors | Izstrādē |
| 7260 | prEN 12255-9 | Waste water treatment plants - Part 9: Odour control and ventilation | Izstrādē |
| 7234 | prEN 12380-1 | Ventilation pipework - Air admittance valve system (AVS) - Part 1: Requirements | Izstrādē |
| 66083 | prEN 12380 rev | Air admittance valves for drainage systems - Requirements, tests methods and evaluation of conformity | Izstrādē |
| 28152 | prEN 12380 rev | Air admittance valves for drainage systems | Izstrādē |
| 27360 | prEN 124 | Gully tops and manhole tops for vehicular and pedestrian areas | Izstrādē |
| 76251 | prEN 124-7 | Gully tops and manhole tops for vehicular and pedestrian areas - Part 7: Gully tops and manhole tops made of polyamide | Aptauja slēgta |
Displaying 511-520 of 577 results.