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AMCA 5.5 Pressure Drop 

SSSMD-201

R

Greenheck Fan Corporation certifies that the model 

SSSMD-201 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. 

5D

6D

5D

D

4 (W) (H)

3.14

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

0.06

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 

2000 

0.89 

2000

0.54

2000

0.46

2000

0.53

2500

1.39

2500

0.85

2500

0.73

2500

0.83

3000

2.00

3000

1.22

3000

1.05

3000

1.19

3500

2.72

3500

1.66

3500

1.42 

3500

1.62

4000

3.55

4000

2.17

4000

1.86

4000

2.11

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

0.04 

1000

0.17 

1500

0.38 

2000

0.67

2500

1.04

3000

1.50

3500

2.05

4000

2.67 

48 in. x 12 in. (1219mm x 305mm) 

Summary of Contents for Stainless Steel 3V Blade SSSMD-201

Page 1: ...exible 304 stainless steel jamb seals Linkage 304 stainless steel concealed in jamb Axles 1 2 in 13mm dia 304 stainless steel Bearings 304 stainless steel sleeve type Size Limitations Minimum Size 8 i...

Page 2: ...stem 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 s...

Page 3: ...sureDrop 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 31 150...

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: ...pm 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 3...

Page 6: ...ry standard sideplate and sleeve mountings for the SSSMD 201 The standard A dimensions listed in the table provide adequate space for the mounting of actuators and controls If space constraints are a...

Page 7: ...longitudinal grooves for reinforcement Blades shall be completely symmetrical relative to their axle pivot point presenting identical resistance to airflow and operation in either direction through t...

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