Beta Series - Vertical Discharge Axial Fans
                                
                                
                                
                                    
                                
                                Description
                                
                                The Alpha & Beta Series of axial roof units are designed for a wide range of free intake and ducted exhaust air installations. These robust but lightweight exhaust units are available in 
7 sizes in each range extending from 315 to 630mm diameter.
                                Typical Application
Exhausts air from a wide range of commercial applications 
such as factories, warehouses and workshops, gymnasiums, bulk goods retail outlets and assembly halls.
                                
                                 Features
 Wide choice of speeds available. 
 All motors are speed-controllable. 
 Some 3-phase motors are 2-speed star/delta design. 
 Protective bird-mesh guards are fitted as standard on Alpha model unless fitted with optional shutters. 
 Shutters are fitted as standard to the Beta Series. 
 Robust, lightweight construction. 
 Can be used for free intake and ducted applications. 
 Can be mounted at angles up to 30o. 
                                
                                Single Phase Models
| Product Code | Diameter [mm]
 | Speed [rps]
 | kW | Amps | Avg. dB(A)@ 3m
 | Max.Pressure [Pa] -Recom
 | Max.Volume [m3/sec]
 | 
|---|
|  | 310 | 22 | 0.09 | 0.9 | 45 | 65 | 0.46 | 
|  | 350 | 22 | 0.09 | 0.9 | 49 | 69 | 0.63 | 
|  | 400 | 22 | 0.25 | 1.8 | 52 | 95 | 1.18 | 
|  | 450 | 22 | 0.25 | 1.8 | 54 | 108 | 1.49 | 
|  | 500 | 22 | 0.55 | 3.6 | 58 | 119 | 2.17 | 
|  | 560 | 22 | 0.75 | 4.9 | 62 | 128 | 2.77 | 
|  | 400 | 15 | 0.12 | 1.05 | 47 | 43 | 0.69 | 
|  | 450 | 15 | 0.12 | 1.05 | 46 | 49 | 0.90 | 
|  | 500 | 15 | 0.18 | 1.55 | 51 | 52 | 1.29 | 
|  | 560 | 15 | 0.25 | 2.2 | 57 | 57 | 1.76 | 
|  | 630 | 15 | 0.55 | 6 | 60 | 100 | 2.71 | 
Three Phase Models
| Product Code | Diameter [mm]
 | Speed [rps]
 | kW | Amps | Avg. dB(A)@ 3m
 | Max.Pressure [Pa] -Recom
 | Max.Volume [m3/sec]
 | 
|---|
|  | 310 | 22 | 0.12 | 0.5 | 45 | 65 | 0.46 | 
|  | 350 | 22 | 0.12 | 0.5 | 49 | 69 | 0.63 | 
|  | 400 | 22 | 0.37 | 1.4 | 52 | 95 | 1.18 | 
|  | 450 | 22 | 0.37 | 1.4 | 54 | 108 | 1.49 | 
|  | 500 | 22 | 0.55 | 1.75 | 58 | 119 | 2.17 | 
|  | 560 | 22 | 0.75 | 2 | 62 | 128 | 2.77 | 
|  | 630 | 22 | 1.5 | 4.3 | 66 | 222 | 4.31 | 
|  | 400 | 15 | 0.16 | 0.93 | 47 | 43 | 0.69 | 
|  | 450 | 15 | 0.18 | 0.68 | 46 | 49 | 0.90 | 
|  | 500 | 15 | 0.25 | 0.94 | 51 | 52 | 1.29 | 
|  | 560 | 15 | 0.25 | 0.94 | 57 | 57 | 1.76 | 
|  | 630 | 15 | 0.55 | 2 | 60 | 100 | 2.71 |