Profile: Ringspann Corp. deals with manufacture and assembly of sprag and roller clutches, industrial caliper disc brakes, shaft connection elements, torque limiters, friction clutches and couplings. Our product list includes sprag products, caliper disc brakes, shaft connectors, torque limiters and couplings. Our torque limiters are mechanical safety devices which disconnect the output from the input when a preset limit value has been reached. Our disc brakes is used for various functions as parking brake, stopping brake and as a control brake.