SL-400

SL-440 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.

PERFORMANCE

• Free Area: 57% , based on a test sample of 48in (1219.2mm) x 48in (1219.2mm)
• Free Area Velocity at Beginning Point of Water Penetration: 879 fpm (4.47 m/s)
• Air Volume Flow Rate at Beginning Point of Water Penetration: 7,956 cfm (3.75 m3/s)
• Pressure Drop at Beginning Point of Water Penetration: 0.12 in. H2O (30 Pa)
• Pressure Drop at 1000 fpm Free Area Velocity: 0.15 in. H2O (37 Pa)
• Airflow Classification—Class 2