Raj Conveyors is the leading Spiral Gravity Roller Conveyors manufacturers. The Spirals can convey full and empty cartons, cases, trays, totes and all sorts of packaged goods in a continuous flow. Loads are conveyed reliably on our proprietary slat type belts, depending on the product size. The slats are overlapping and provide an efficient and safe conveying surface at speeds up to 200 FPM. It can convey the goods in both direction and with a single drive.