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AMCA 5.3 Pressure Drop
Figure 5.3
Figure 5.2
Figure 5. 5
12 in. x 12 in. (305mm x 305mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.02
1000
0.09
1500
0.20
2000
0.36
2500
0.56
3000
0.81
3500
1.10
4000
1.44
5D
5D
24 in. x 24 in. (610mm x 610mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.01
1000
0.04
1500
0.09
2000
0.16
2500
0.25
3000
0.35
3500
0.48
4000
0.63
Greenheck Fan Corporation certifies that the
model SMD-202 shown herein is licensed to bear
the AMCA Seal. The ratings shown are based on
tests and procedures performed in accordance
with AMCA Publication 511 and comply with
the requirements of the AMCA Certified Ratings
R
Programs. The AMCA Certified Ratings Seal
applies to air performance ratings only.
36 in. x 36 in. (914mm x 914mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.01
1000
0.03
1500
0.06
2000
0.11
2500
0.17
3000
0.24
3500
0.33
4000
0.42
6D
4 (W) (H)
D =
3.14
12 in. x 48 in. (305mm x 1219mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.01
1000
0.04
1500
0.10
2000
0.17
2500
0.27
3000
0.39
3500
0.53
4000
0.70
SMD-202
48 in. x 12 in. (1219mm x 305mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.02
1000
0.07
1500
0.16
2000
0.29
2500
0.45
3000
0.64
3500
0.88
4000
1.14
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