Profile: Spirac (USA) Inc. is a supplier of shaftless screw conveyors and related products. Our products list comprises of conveyors, compacters & de-waterers, screens & classifiers, and solid washers. Our compactors & de-waterers have no intermediate or end bearings, and have low rpm & power usage. The elimination of a central shaft allows a much higher fill rate resulting in lower rpm. Our CS screen combines screening, conveying, de-watering, and removal of solids from effluent & process streams in one compact machine. It has advantages such as shaftless spiral, no intermediate or end bearings, and pivoting support for inspection of spiral.