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How to calculate duct length?

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53 views asked Oct 3, 2017 by ISRAILRAZVI

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To determine the required static pressure for the fan in a ductwork system, the longest run of the ductwork system from the AHU up to the furthest point disregarding the branches on the run need to be measured. As the most common way for duct sizing is constant static pressure, multiplying the length of the longest run by amount of the constant static pressure will determine the required fan static pressure.

For duct sizing visit the www.mepanet.com/466/how-to-calculate-the-pressure-loss-in-ductworks?show=466#q466

answered Oct 7, 2017 by Devan Talebi

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