AC-1220V
12.8″ deep fixed chevron blade with woven glass fiber acoustic infill ;in extruded aluminum construction; frame with channel profile and mechanically fastened, with continuous recessed caulking channel each side; rated for an air performance and water penetration maintained effectiveness rate tested in accordance with AMCA 500-L; tested to ASTM E90-09 for acoustical performance, STC-12 and OITC-8
12.8″ deep fixed chevron blade with woven glass fiber acoustic infill ;in extruded aluminum construction; frame with channel profile and mechanically fastened, with continuous recessed caulking channel each side; tested to ASTM E90-04; STC-12 and OITC-13.
AIRFLOW PERFORMANCE
- Free Area is 54% based on a test sample of 48in (1219mm) x 48in (1219mm)
- Free Area is 56% based on a louver size of 48in (1219mm) x 96in (2438mm)
- Free Area Velocity at Beginning Point of Water Penetration: 727.5 fpm (3.70 m/s)
- Intake pressure drop @ 1,000 fpm free area velocity—0.10 in. wg (25 Pa)
- Air Volume Flow Rate at Beginning Point of Water Penetration: 6,079 cfm (2.87 m3/s)
