dl-660

6” drainable Louver

6″ High Performance Drainable; 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.

AIRFLOW PERFORMANCE


  • Free Area: 55%, based on a test sample of 48in (1219mm) x 48in (1219mm)

  • Free Area Velocity at Beginning Point of Water Penetration: 926 fpm (4.7 m/s)

  • Air Volume at Beginning Point of Water Penetration: 8,149 cfm (3.5 m3/s)

  • Pressure Drop at Beginning Point of Water Penetration: 0.12 in. H2O (29 Pa)

  • Pressure Drop at 1000 fpm Free Area velocity: 0.14 in. H2O (34 pa)

  • Airflow Classification—Class 1

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