Greenheck FSD-312 Specifications page 4

AmCA 5.3 Pressure drop
* Sizes are in inches.
12 in. x 12 in. (305mm x 305mm)
Pressure Drop
Velocity (fpm) (in. wg)
500 0.01
1000 0.06
1500 0.13
2000 0.23
2500 0.37
3000 0.53
3500 0.73
4000 0.95
5D
5D
24 in. x 24 in. (610mm x 610mm)
Pressure Drop
Velocity (fpm) (in. wg)
500 0.01
1000 0.02
1500 0.06
2000 0.10
2500 0.16
3000 0.23
3500 0.32
4000 0.42
Greenheck Fan Corporation certifies that the
model FSD-312 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 Pro-
R
grams. The AMCA Certified Ratings Seal applies
to air performance ratings only.
36in. x 36 in. (914mm x 914mm)
Pressure Drop
Velocity (fpm) (in. wg)
500 0.01
1000 0.02
1500 0.05
2000 0.09
2500 0.14
3000 0.21
3500 0.29
4000 0.38
6D
*
4 (W) (H)
D
3.14
24x24
12in. X 48 in. (305mm x 1219mm)
Pressure Drop
Velocity (fpm) (in. wg)
500 0.01
1000 0.02
1500 0.06
2000 0.10
2500 0.16
3000 0.24
3500 0.33
4000 0.43
Fsd-312
48 in. x 12 in. (1219mm x 305mm)
Pressure Drop
Velocity (fpm) (in. wg)
500 0.01
1000 0.04
1500 0.10
2000 0.18
2500 0.29
3000 0.42
3500 0.57
4000 0.74