HP-445HD

HP-445HD

DESCRIPTION

4″ high performance series; extruded aluminum construction; frame with channel profile; corner joints mitered and mechanically fastened, with continuous recessed caulking channel each side; intermediate mullions matching frame; gutters; rated for an air performance and water penetration maintained effectiveness rate tested in accordance with AMCA 500-L.

WATER PENETRATION PERFORMANCE

• Free Area Velocity at Beginning Point of Water Penetration: 761.2 fpm (3.87 m/s)
• Air Volume Flow Rate at Beginning Point of Water Penetration — 48in x 48in unit: 6,485 cfm (3.06 m3/s)
• Pressure Drop at Beginning Point of Water Penetration: 0.126 in. H2O (32 Pa)

AIRFLOW PERFORMANCE

• Free Area: 54% , based on a test sample of 48in (1220mm) x 48in (1220mm)
• Airflow Classification—Class 2