S-445 Standard Blade

S-445 Standard Blade

DESCRIPTION:

4″ deep 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: 648 fpm (3.29 m/s)
• Air Volume Flow Rate at Beginning Point of Water Penetration — 48in (1220mm) x 48in (1220mm) unit: 5,184.2 cfm (2.45 m3/s)

AIRFLOW PERFORMANCE

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