Alpha Industrial Series - Supply Air Axial Roof Fans
                                    
                                    
                                    
                                    
                                    
                                    Description
                                    
                                    The Alpha & Beta Industrial Series of axial roof units are designed for a wide range of free intake and ducted applications. These durable and robust units feature adjustable pitch impellers which allows for optimum air flow and power efficiency.
There are 6 sizes in each range extending from 500 to 1000mm diameter.
                                    Typical Application
General supply air or exhaust air including a range of toxic, noxious and corrosive gases from a wide range of commercial and industrial applications.
Smoke-spill Applications
The Beta Industrial RSSL Series of smoke-spill fans has been fully
tested to meet the air performance and high temperature test
requirements of Standards AS/NZS1668.1:2015 & AS4429:1999.
For advice on smoke-spill wiring requirements refer to ASNZS1668.1:2015
See section C for details of the smoke-spill range.
                                    
                                    Features
    -  Wide choice of speeds available. 
-  Adjustable pitch impellers provide a wide range of performances.
-  Impeller blades can be GRP, aluminium, nylon or anti-static to suit the application. GRP blades are standard.
-  Shutters are standard on the RVLE range and an optional extra on the RDLE units. (See Special Note).
-  Can be used for free intake or ducted systems.
-  Can be mounted at angles up to 30°.
-  All standard motors are speed-controllable using variable speed drives.
-  Multi-speed motors as well as motors to meet Ex d, Ex e, Ex nA or Ex tD Standards can be supplied.
-  For applications prone to high prevailing winds refer to Special Note.
 
                                    
                                    
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Parameter name: length