Using Figure 71-25, select a floor register that will provide an 8 to 10 foot throw for 150 CFM with a face velocity less than 700 feet per minute
What will be an ideal response?
4 x 14 shows 140 CFM with 8.5foot throw at 600 FPM and 160 CFM with 10 foot throw at 700 FPM, Therefore, 150 CFM should have a throw of a little over 9 feet with a velocity of 650 FPM.
6 x 10 should also work it should have about the same throw with slightly less velocity than the 4 x 14.
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