Air Return Intake
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0 200 400 600 800 1000 1200 1400 1600 1800 2000 0 100 200 300 400 500 600 Air Return Intakes Required Free Area Required Capacity (cfm) Required Free Area (sq. inches) 0 0.2 0.4 0.6 0.8 1 0 0.1 0.2 0.3 0.4 Air Return Intakes Required Free Area Required Capacity (m**3/s) Required Free Area (m**2) 2 4 6 8 10 12 14 16 18 0 200 400 600 800 1000 1200 1400 1600 Air Return Intakes Sizes and Capacity 30 24 14 12 10 Nominal Size (inches) Aproximate Capacity (cfm) Nominal Size (inches)
description
graphic air return
Transcript of Air Return Intake
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0 200 400 600 800 1000 1200 1400 1600 1800 20000
100
200
300
400
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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)
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