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Thread: Duct Size Help!
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28-03-2003, 02:43 PM #1
Duct Size Help!
I am installing a 5 ton package unit. The supply air duct size is 12X19. Evap fan 2000 CFM. I plan on using a 24' horizontal duct with 10" round takeoffs. I would like to use 7 of these. The recommended velocity is 1000 FPM in trunck duct and velocity in branches not to exceed 800 FPM. My question is, am I in the ballpark here? Thanks for any input!
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