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  1. #1
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    Question Duct Design Methods.



    Wat are the different velocity ratings followed in Velocity reduction methods, for Maint ducts, Branch ducts, Collars. Return Air Duct. Exhaust ducts. Fresh Air ducts.



  2. #2
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    May 2011
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    Re: Duct Design Methods.

    You can refer the "Recommeded velocities" - Table 7 - Part 2 (Air Distribution) of the System Design Manual by Carrier, or refer ASHRAE recommended.

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