air return intake
DESCRIPTION
graphic air returnTRANSCRIPT
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0 200 400 600 800 1000 1200 1400 1600 1800 20000
100
200
300
400
500
600
Air Return IntakesRequired Free Area
Required Capacity (cfm)
Req
uire
d Fr
ee A
rea
(sq.
inch
es)
0 0.2 0.4 0.6 0.8 10
0.1
0.2
0.3
0.4
Air Return IntakesRequired Free Area
Required Capacity (m**3/s)
Req
uire
d Fr
ee A
rea
(m**
2)
2 4 6 8 10 12 14 16 180
200
400
600
800
1000
1200
1400
1600
Air Return IntakesSizes and Capacity
3024141210
Nominal Size (inches)
Apro
xim
ate
Cap
acity
(cfm
) Nominal Size (inches)
Slide 1