Greenheck Smoke Dampers SMD-301V Installation Instructions Manual page 4

AMCA 5.3 Pressure Drop
* Sizes are in inches.
5D
5D
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
6D
D
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
SMD-301V
4 (W) (H)
3.14
36in. x 36 in. (914mm x 914mm)
Velocity (fpm)
500
1000
1500
2000
2500
3000
3500
4000
Pressure Drop
(in. wg)
0.01
0.02
0.05
0.09
0.14
0.21
0.29
0.38