SL-440 OperableSL-440 OPERABLE

DESCRIPTION

OSA Operable series; designed for exhaust openings in building exterior walls that require tight air shut off; extruded aluminum construction; frame with channel profile; corner joints mitered and mechanically fastened, with continuous recessed caulking channel each side; rated for an air performance and water penetration maintained effectiveness rate tested in accordance with AMCA 500-L.

PERFORMANCE

  • Free Area: 51.7% , based on a test sample of 48in (1219.2mm) x 48in (1219.2mm)
  • Free Area Velocity at Beginning Point of Water Penetration: 820 fpm (4.17 m/s)
  • Air Volume at Beginning Point of Water Penetration — 48in x 48in unit: 6,485 cfm (3.06 m3/s)
  • Pressure Drop at Beginning Point of Water Penetration: 0.1 in. H2O (25 pa)
  • Airflow Classification—Class 2
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    Performance Data

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    Performance Data:
    SL-440 Operable
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    Typical Details

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    4″ Operable Louver PDF DWG RFA

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    Specifications

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    Specifications
    for SL-440 Operable
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