CEN/TC 156
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 24202 | prEN 1751 rev | Ventilation for buildings - Air terminal devices - Aerodynamic testing of dampers and valves | Izstrādē |
| 26795 | prEN 1751 rev | Ventilation for buildings - Air terminal devices - Aerodynamic testing of damper and valves | Izstrādē |
| 79757 | prEN 18289 | Ventilation for buildings - Metallic ventilation ducts - Requirements and test methods | Aptauja slēgta |
| 72543 | prEN 1886 rev | Ventilation for buildings - Air handling units - Mechanical performance | Izstrādē |
| 63094 | prEN ISO 12759-1 | Fans - Efficiency classification for fans - Part 1: General requirements | Izstrādē |
| 63096 | prEN ISO 12759-3 | Fans - Efficiency classification for fans - Part 3: Fans without drives at maximum operating speed (ISO/DIS 12759-3:2016) | Izstrādē |
| 63099 | prEN ISO 12759-6 | Fans - Efficiency classification for fans - Part 6: Fan efficiency ratio | Izstrādē |
| 71895 | prEN ISO 13349 | Fans - Vocabulary and definitions of categories (ISO/DIS 13349:2021) | Izstrādē |
| 68348 | prEN ISO 13350 | Fans - Performance testing of jet fans (ISO/DIS 13350:2018) | Aptauja slēgta |
| 79941 | prEN ISO 13350 | Fans - Performance testing of jet fans (ISO/DIS 13350:2025) | Aptauja slēgta |
Displaying 421-430 of 432 results.