Greenheck Fan Smoke Dampers SMD-203 - Manual (Page 4)

AMCA 5.3 Pressure Drop SMD-203
5D 6D
5D
D =
4 (W) (H)
3.14
Figure 5.3
Figure 5.2
Figure 5. 5
Velocity (fpm)
Pressure Drop
(in. wg) Velocity (fpm)
Pressure Drop
(in. wg) Velocity (fpm)
Pressure Drop
(in. wg) Velocity (fpm)
Pressure Drop
(in. wg)
500 0.02 500 0.01 500 0.01 500 0.01
1000 0.09 1000 0.04 1000 0.03 1000 0.04
1500 0.20 1500 0.09 1500 0.06 1500 0.10
2000 0.36 2000 0.16 2000 0.11 2000 0.17
2500 0.56 2500 0.25 2500 0.17 2500 0.27
3000 0.81 3000 0.35 3000 0.24 3000 0.39
3500 1.10 3500 0.48 3500 0.33 3500 0.53
4000 1.44 4000 0.63 4000 0.42 4000 0.70
12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36 in. x 36 in. (914mm x 914mm) 12 in. x 48 in. (305mm x 1219mm)
Velocity (fpm)
Pressure Drop
(in. wg)
500 0.02
1000 0.07
1500 0.16
2000 0.29
2500 0.45
3000 0.64
3500 0.88
4000 1.14
48 in. x 12 in. (1219mm x 305mm)
R
Greenheck Fan Corporation certifies that the
model SMD-203 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 Certified Ratings Seal
applies to air performance ratings only.