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AMCA 5.5 Pressure Drop
12 in. x 12 in. (305mm x 305mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.04
1000
0.18
1500
0.42
2000
0.75
2500
1.17
3000
1.68
3500
2.29
4000
2.09
24x24
24 in. x 24 in. (610mm x 610mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.03
1000
0.13
1500
0.29
2000
0.52
2500
0.81
3000
1.17
3500
1.60
4000
2.14
Greenheck Fan Corporation certifies that the
model SMD-301 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.
36x36
12x48
36in. x 36 in. (914mm x 914mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.03
1000
0.12
1500
0.27
2000
0.48
2500
0.75
3000
1.08
3500
1.48
4000
1.93
4 (W) (H)
D
3.14
12in. X 48 in. (305mm x 1219mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.03
1000
0.12
1500
0.27
2000
0.49
2500
0.77
3000
1.11
3500
1.51
4000
1.97
SMD-301
48 in. x 12 in. (1219mm x 305mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.03
1000
0.14
1500
0.32
2000
0.57
2500
0.89
3000
1.28
3500
1.75
4000
2.29
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