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AmCA 5.2 Pressure drop 

Fsd-211

5D

6D

5D

D =

4  (W) (H)

3.14

Figure 5.3

Figure 5.2

Figure 5. 5

R

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 
requirements of the AMCA Certified Ratings Pro-
grams. The AMCA Certified Ratings Seal applies to 
air performance ratings only. 

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

0.04 

500

0.02 

500

0.01 

500

0.01 

1000 

0.14 

1000

0.07 

1000

0.04 

1000

0.06 

1500

0.31

1500

0.16

1500

0.09 

1500

0.13 

2000

0.55

2000

0.29

2000

0.16

2000

0.23 

2500   

0.86

2500

0.45

2500

0.25

2500

0.36 

3000

1.24

3000

0.65 

3000

0.36

3000

0.52

3500

1.69

3500

0.89

3500

0.49

3500

0.70 

4000

2.20

4000

1.16

4000

0.64

4000

0.92

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

0.03 

1000

0.10

1500

0.23 

2000

0.41

2500

0.63

3000

0.91

3500

1.24

4000

1.62

48 in. x 12 in. (1219mm x 305mm) 

Summary of Contents for Combination Fire Smoke Damper FSD-211

Page 1: ...3658mm W x 2438mm H Vertical 128 in W x 100 in H 3251mm W x 2540mm H Optional Features RRL OCI Open closed indication switches Electric or pneumatic actuators POC retaining angles Smoke detectors Mome...

Page 2: ...tem AMCA Test Figures Figure 5 3 Illustrates a fully ducted damper This configuration has the lowest pressure drop of the three test configurations because entrance and exit losses are minimized by st...

Page 3: ...reDrop in wg Velocity fpm PressureDrop in wg Velocity fpm PressureDrop in wg Velocity fpm PressureDrop in wg 500 0 04 500 0 02 500 0 01 500 0 01 1000 0 14 1000 0 07 1000 0 04 1000 0 06 1500 0 31 1500...

Page 4: ...0 0 48 3500 0 33 3500 0 53 4000 1 44 4000 0 63 4000 0 42 4000 0 70 12in x12in 305mm x 305mm 24in x24in 610mm x 610mm 36in x36in 914mm x 914mm 12in x48in 305mm x 1219mm Velocity fpm Pressure Drop in wg...

Page 5: ...m PressureDrop in wg Velocity fpm PressureDrop in wg Velocity fpm PressureDrop in wg 500 0 06 500 0 03 500 0 03 500 0 03 1000 0 22 1000 0 14 1000 0 12 1000 0 13 1500 0 50 1500 0 31 1500 0 26 1500 0 30...

Page 6: ...her locations within a range of 6 in 152mm to 12 in 305mm for the A dimension Application Data 53 8 in 5 in Right hand drive is shown Left hand drive available upon request LH RH A Sleeve Length Varie...

Page 7: ...be completely symmetrical relative to their axle pivot point presenting identical resistance to airflow in either direction or pressure on either side of the damper The Damper Manufacturer s submitta...

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