how to calculate circle duct area
Last Post 18 Feb 2015 12:39 AM by Arunn. 0 Replies.
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Arunn
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18 Feb 2015 12:39 AM
    Duct size = Dia250

    Length = 1.75M

    i want to calculate the duct length and the same duct "L bow" area

    can any one tell to me the formula


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