| Â Louvre Model | VI Series | ||
| Â Blade Configuration | Double | ||
| Â Blade Spacing | 50 mm | ||
| Â Blade Depth | 65 mm | ||
| Â System Depth | 180 mm | ||
|  Front Blade  Orientation | Mesh | ||
| Â Rear Blade Orientation | Vertical | ||
|  Rain  Defence  Class
AIRFLOW VELOCITY IN M/S |
AIRFLOW VELOCITY IN M/S |
0.0 | A |
| 0.5 | A | ||
| 1.0 | A | ||
| 1.5 | A | ||
| 2.0 | A | ||
| 2.5 | A | ||
| 3.0 | C | ||
| 3.5 | D | ||
| Â Airflow Coefficient* | 0.141 | ||
| Â Airflow Class | 4 | ||
| Â Rain Defence Rating | Excellent | ||
| Â Airflow Rating | Fair | ||
* Alternative Airflow Co-efficients are available for panels larger than 1 m x 1 m
Derived from 3rd party independent testing to BS EN 13030:2001
VI-50B1
VI-50C1
VI-50D1
VI-50E1
VI-50F1
VI-50G1
