When turned off for maintenance fan drives can rotate backwards, generally by reason of air movement across the fan blades. Draftguard® anti-rotation device secures the drive from spinning backwards during maintenance operations as well as protect the entire system from extreme shock loads during start-up, causing unnecessary wear of the motor components, drive frame and potential belt breakage.
For more information please contact us directly on +61 3 9797 9688 or submit an enquiry HERE.
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