SA 440V DF
4″ deep extruded aluminum construction; frame with channel profile; corner joints mitered and mechanically fastened, with continuous recessed caulking channel each side; capable of long vertical spans, tested for sand rejection as per BS EN 13181:2001 standards & for air performance as per AMCA 500-L99 standards.
SA-440V DF sand louver is tested as per AMCA 500-L99 for pressure drop.
SAND REJECTION PERFORMANCE
SA-440V Deep Frame sand trap louver is tested as per BS EN13181:2001, subjected to wind driven sand at an airflow speed of 20-25 m/s.