SA-820V
8″ inch (203.2mm) deep extruded aluminum construction; frame with channel profile; joints mechanically fastened, with continuous recessed caulking channel each side; capable of long vertical spans, tested for sand rejection and for air performance as per AMCA 500-L99 standard.
AIRFLOW PERFORMANCE
- Free Area is 51% based on a test sample of 48in (1220mm) x 48in (1220mm)
- Beginning point of water penetration (@0.01oz / ft² of free area) – 876 fpm (4.5 m/s)
- Pressure drop @ beginning point of water penetration (@0.01oz / ft² of free area) – 0.39 in. wg (96.6 Pa)
- Intake pressure drop @ 1,000 fpm free area velocity—0.5 in. wg (123.4 Pa)
- Discharge loss coefficient Classification—Class 3
SAND REJECTION PERFORMANCE
SA-820V sand louver is tested as per AMCA 500-L99 standard for sand rejection efficiency subjected to wind driven sand at an airflow speed of 20-25 m/s.
