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.
nevinjohn
19-06-2014, 12:19 PM
You can refer the "Recommeded velocities" - Table 7 - Part 2 (Air Distribution) of the System Design Manual by Carrier, or refer ASHRAE recommended.