DSP-635HD Drainable Step Blade Heavy Duty

DSP-635HD Drainable Step Blade HD

DESCRIPTION

6″High Performance Drainable Step Blade Heavy Duty ; 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 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: 980 fpm (4.98m/s)
• Air Volume Flow Rate at Beginning Point of Water Penetration — 48in (1220mm) x 48in (1220mm) unit: 7,850.4 cfm (3.71 m3/s)
• Pressure Drop at Beginning Point of Water Penetration: 0.15 in. H2O (38 Pa)

AIRFLOW PERFORMANCE

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