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20-01-2010, 02:06 PM #3
Re: Ducting Length allowable and Fan Static Pressure
Thanks tmm for your prompt reply..
Is there any "rule of thumb" calculation for the ducting length? I was told by one engineer that 0.1 in.wg of fan static pressure equals to 100ft of duct, 0.2 in.wg equals to 200ft of duct, and so on...
Is it correct?