Greenheck FSD-312 Specifications page 5

AmCA 5.5 Pressure drop
* Sizes are in inches.
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 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.
D
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)
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
Fsd-312
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