Air Return Intake

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0 200 400 600 800 1000 1200 1400 1600 1800 2000 0 100 200 300 400 500 600 Air Return Intakes Required Free Area Required Capacity (cfm) Required Free Area (sq. inches) 0 0.2 0.4 0.6 0.8 1 0 0.1 0.2 0.3 0.4 Air Return Intakes Required Free Area Required Capacity (m**3/s) Required Free Area (m**2) 2 4 6 8 10 12 14 16 18 0 200 400 600 800 1000 1200 1400 1600 Air Return Intakes Sizes and Capacity 30 24 14 12 10 Nominal Size (inches) Aproximate Capacity (cfm) Nominal Size (inches)

description

graphic air return

Transcript of Air Return Intake

  • 0 200 400 600 800 1000 1200 1400 1600 1800 20000

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    Air Return IntakesRequired Free Area

    Required Capacity (cfm)

    Req

    uire

    d Fr

    ee A

    rea

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    inch

    es)

    0 0.2 0.4 0.6 0.8 10

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    Air Return IntakesRequired Free Area

    Required Capacity (m**3/s)

    Req

    uire

    d Fr

    ee A

    rea

    (m**

    2)

    2 4 6 8 10 12 14 16 180

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    Air Return IntakesSizes and Capacity

    3024141210

    Nominal Size (inches)

    Apro

    xim

    ate

    Cap

    acity

    (cfm

    ) Nominal Size (inches)

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