BESPOKE AHUs

True bespoke AHUs cover an airflow duty envelope from 0.1 to 20.0 (m3/s)

Table Key


≥ 2.5 m/s ≤ 2.5 m/s & ≥ 1.5 m/s ≤ 1.5 m/s Single Deck


Other cross sectional areas are upon request and alternative construction materials may be used to achieve the required specification.

Data for design guidance only. We reserve the right to alter product specification without prior notice.

Bidirectional units

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5.0 m3/s Airflow Rate

Below is an example of what the internal unit dimensions would have to be for a design airflow rate of 5.0 m3/s in order to keep the internal unit velocity below 2.5 m/s (low velocity, low internal resistance, low absorbed power, compliant SFPs).

3.0                    
2.7                    
2.4                    
2.1                    
1.8                    
1.5                    
1.2                    
0.9                    
0.6                    
H / W (m) 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6

SINGLE DECK

Internal Dims
1.5mH x 1.5mW

Internal Velocity
2.22m/s

Design airflow
5.0m3/s

Frame Sizes
40mm or 70mm

Panel Thickness
25mm or 50mm

10.0 m3/s Airflow Rate

Below is an example of what the internal unit dimensions would have to be for a design airflow rate of 10.0 m3/s in order to keep the internal unit velocity below 2.5 m/s (low velocity, low internal resistance, low absorbed power, compliant SFPs).

3.0                  
2.7                  
2.4                  
2.1                  
1.8                  
1.5                  
1.2                  
H / W (m) 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6

SINGLE DECK

Internal Dims
2.1mH x 2.1mW

Internal Velocity
2.27m/s

Design airflow
10.0m3/s

Frame Sizes
40mm or 70mm

Panel Thickness
25mm or 50mm

15.0 m3/s Airflow Rate

Below is an example of what the internal unit dimensions would have to be for a design airflow rate of 15.0 m3/s in order to keep the internal unit velocity below 2.5 m/s (low velocity, low internal resistance, low absorbed power, compliant SFPs).

3.0              
2.7              
2.4              
2.1              
1.8              
1.5              
H / W (m) 1.8 2.1 2.4 2.7 3.0 3.3 3.6

SINGLE DECK

Internal Dims
2.7mH x 2.7mW

Internal Velocity
2.06m/s

Design airflow
15.0m3/s

Frame Sizes
40mm or 70mm

Panel Thickness
25mm or 50mm

20.0 m3/s Airflow Rate

Below is an example of what the internal unit dimensions would have to be for a design airflow rate of 20.0 m3/s in order to keep the internal unit velocity below 2.5 m/s (low velocity, low internal resistance, low absorbed power, compliant SFPs).

3.0          
2.7          
2.4          
2.1          
1.8          
H / W (m) 2.4 2.7 3.0 3.3 3.6

SINGLE DECK

Internal Dims
3.0mH x 3.0mW

Internal Velocity
2.22m/s

Design airflow
20.0m3/s

Frame Sizes
40mm or 70mm

Panel Thickness
25mm or 50mm