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AMCA 5.2 Pressure Drop
* Sizes are in inches.
12 in. x 12 in. (305mm x 305mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.03
1000
0.12
1500
0.26
2000
0.46
2500
0.72
3000
1.04
3500
1.41
4000
1.84
24 in. x 24 in. (610mm x 610mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.01
1000
0.06
1500
0.12
2000
0.22
2500
0.34
3000
0.49
3500
0.67
4000
0.87
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.
5D
36in. x 36 in. (914mm x 914mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.01
1000
0.06
1500
0.12
2000
0.22
2500
0.34
3000
0.49
3500
0.67
4000
0.88
D
12x48
12in. X 48 in. (305mm x 1219mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.01
1000
0.05
1500
0.12
2000
0.21
2500
0.33
3000
0.48
3500
0.65
4000
0.85
SMD-301
4 (W) (H)
3.14
36x36
48 in. x 12 in. (1219mm x 305mm)
Velocity
Pressure Drop
(fpm)
(in. wg)
500
0.02
1000
0.08
1500
0.18
2000
0.33
2500
0.51
3000
0.74
3500
1.00
4000
1.31
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