SP-430 Standard Step Blade

SP-430 Standard Step Blade

DESCRIPTION

4″ Deep High Performance Step Blade 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: 682 fpm (3.47 m/s)
• Air Volume Flow Rate at Beginning Point of Water Penetration —48in (1220mm) x 48in (1220mm) unit: 5,459 cfm (2.58 m3/s)
• Pressure Drop at Beginning Point of Water Penetration: 0.065 in. H2O (16 Pa)

AIRFLOW PERFORMANCE

• Free Area: 51% , based on a test sample of 48in (1220mm) x 48in (1220mm)
• Airflow Classification—Class 2