Greenheck Combination Fire Smoke Damper FSD-211 Specification Sheet page 5

AmCA 5.5 Pressure drop
12 in. x 12 in. (305mm x 305mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.06
1000 0.22
1500 0.50
2000 0.89
2500 1.39
3000 2.00
3500 2.72
4000 3.55
24 in. x 24 in. (610mm x 610mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.03
1000 0.14
1500 0.31
2000 0.54
2500 0.85
3000 1.22
3500 1.66
4000 2.17
Greenheck Fan Corporation certifies that the
model FSD-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
R
requirements of the AMCA Certified Ratings Pro-
grams. The AMCA Certified Ratings Seal applies to
air performance ratings only.
36 in. x 36 in. (914mm x 914mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.03
1000 0.12
1500 0.26
2000 0.46
2500 0.73
3000 1.05
3500 1.42
4000 1.86
4 (W) (H)
D
3.14
12 in. x 48 in. (305mm x 1219mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.03
1000 0.13
1500 0.30
2000 0.53
2500 0.83
3000 1.19
3500 1.62
4000 2.11
Fsd-211
48 in. x 12 in. (1219mm x 305mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500 0.04
1000 0.17
1500 0.38
2000 0.67
2500 1.04
3000 1.50
3500 2.05
4000 2.67