SA-440-SL4
203.6mm deep extruded aluminum construction; frame with channel profile; corner joints mitered and mechanically fastened, with continuous recessed caulking channel each side; intermediate mullions matching frames; gutters rated for water penetration maintained effectiveness rate tested in accordance with AMCA 500-L. The sand louver blades are tested for sand rejection and air performance as per EN 13181:2001 standard. Moreover, horizontal louver is tested for air flow & water penetration as per AMCA-500L standards.
AIRFLOW PERFORMANCE
- Free Area: 28.6%
- Airflow Classification—Class 3
- Static Pressure Loss: Not more than (18 Pa) @ 215 fpm (1.11 m/s) core velocity
SA-440-SL4 combination louver is tested as per BS EN13181:2001, subjected to wind driven sand at an airflow speed of 20-25 m/s
