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Greenheck Combination Fire Smoke Dampers FSD-M211 Specifications page 4

Combination fire smoke dampers steel 3v blades ul 555s leakage class i ul555 11⁄2 hour fire resistance rating 4 hour fire resistance rating (bs476)

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AMCA 5.3 Pressure Drop
Figure 5.3
Figure 5.2
Figure 5. 5
305mm x 305mm
Velocity
Pressure
(m/s)
Drop (Pa)
2.4
5
5.1
22
7.8
52
10.3
92
12.9
145
15.4
209
17.7
274
20.8
379
5D
5D
610mm x 610mm
Velocity
Pressure
Velocity
(m/s)
Drop (Pa)
2.5
3
5
10
7.7
22
10.3
40
12.8
62
15.5
92
17.9
122
20.8
167
Greenheck Kunshan Co. Ltd. and Greenheck Fan
Corporation certifies that the model FSD-M211 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
R
with the requirements of the AMCA Certified Ratings
Programs. The AMCA Certified Ratings Seal applies to
air performance ratings only.
6D
D =
914mm x 914mm
Pressure
Velocity
(m/s)
Drop (Pa)
2.5
3
5.1
8
7.6
15
10.1
27
12.8
42
15.3
62
17.7
82
20.3
107
FSD-M211
4 (W) (H)
3.14
305mm x 1219mm
1219mm x 305mm
Pressure
Velocity
(m/s)
Drop (Pa)
2.5
3
5.1
10
7.7
25
10.3
42
12.9
67
15.7
100
18.7
140
20.9
174
Pressure
(m/s)
Drop (Pa)
2.5
5
5.1
20
7.6
40
10.1
72
12.7
112
15.3
164
18
227
20.6
299

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