Greenheck Stainless Steel 3V Blades SEFSD-211 Specification Sheet page 3

AMCA 5.2 Pressure Drop
12 in. x 12 in. (305mm x 305mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.04
1000 0.14
1500 0.31
2000 0.55
2500 0.86
3000 1.24
3500 1.69
4000 2.20
Figure 5.3
Figure 5.2
Figure 5. 5
24 in. x 24 in. (610mm x 610mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.02
1000 0.07
1500 0.16
2000 0.29
2500 0.45
3000 0.65
3500 0.89
4000 1.16
Greenheck Fan Corporation certifies that the model
SEFSD-211 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 Programs. The AMCA
R
Certified Ratings Seal applies to air performance
ratings only.
5D
36 in. x 36 in. (914mm x 914mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.01
1000 0.04
1500 0.09
2000 0.16
2500 0.25
3000 0.36
3500 0.49
4000 0.64
SEFSD-211
D =
12 in. x 48 in. (305mm x 1219mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.01
1000 0.06
1500 0.13
2000 0.23
2500 0.36
3000 0.52
3500 0.70
4000 0.92
4 (W) (H)
3.14
48 in. x 12 in. (1219mm x 305mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.03
1000 0.10
1500 0.23
2000 0.41
2500 0.63
3000 0.91
3500 1.24
4000 1.62