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Anti WindMilling Devices

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Spin Doctor Stops Reverse Fan Windmilling for Belt Drive applications

Spin Doctor Stops Reverse Fan Windmilling for Belt Drive Applications

Low Cost
The unique design of the Spin Doctor provides an economical solution to wear and damage on fans and drive line components that are the result of starting while the mechanical components have been windmilling backwards.

Easy Installation
The Spin Doctor bolts to the threaded holes in the flange of E, F or J type QD bushings making installation quick and easy with no special parts or tools required. An installation kit is included providing all the material necessary for normal installations.

The Spin Doctor has delivered years of reliable service in applications around the world solving problems where high winds produced excessive windmilling of fans in reverse. To find out more about how it ...