The SW-311 Manual Crossover (6' Moveable Section) is designed for use on Safe-Rail conveyor where it is required to have two tracks cross each other at the same elevation. This unit is NOT designed to rotate the load carrier; it is designed to move the 6" 
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The SW-821 Manual Turntable (24' GAP) is designed for use on Safe-Rail Conveyors where it is required to rotate the load carrier 90 degrees to enter a perpendicular cross track. Unit can be used with any Safe-Rail Carrier that is less than 24' long. 
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The SW-825 Manual Throw Control is designed for Safe-Rail conveyors where a SW-821 Turntable is being used to rotate carriers 90 degrees. 
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The SW-843 Manual Turntable (12' GAP) is designed for use on Safe-Rail Conveyors where it is required to rotate the load carrier 90 degrees to enter a perpendicular cross track. Unit can be used with any Safe-Rail Carrier that is less than 12' long. 
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