OVERVIEW
Louvre Model | MI-7510 | MI-7520 | MI-7530 | ||
Blade Configuration | Single | Double | Triple | ||
Blade Spacing | 75 mm | 75 mm | 75 mm | ||
Blade Depth | 75 mm | 141 mm | 141 mm | ||
System Depth | 80 mm | 147 mm | 147 mm | ||
Front Blade  Orientation | Horizontal | Horizontal | Horizontal | ||
Rear Blade Orientation | Horizontal | Horizontal | Vertical | ||
Rain Defence Class
AIRFLOW VELOCITY IN M/S |
AIRFLOW VELOCITY IN M/S |
0.0 | C | A | A |
0.5 | D | A | A | ||
1.0 | D | B | A | ||
1.5 | D | B | A | ||
2.0 | D | B | A | ||
2.5 | D | C | A | ||
3.0 | D | C | B | ||
3.5 | D | D | D | ||
Airflow Coefficient* | 0.372 | 0.273 | 0.173 | ||
Airflow Class | 2 | 3 | 4 | ||
Rain Defence Rating | Fair | Excellent | Excellent | ||
Airflow Rating | Very Good | Good | 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