Powered 90 Degree / Curve Roller Conveyor System With powered 90 Degree / Curve Roller Conveyors, some or all of a conveyor’s rollers are powered to propel the product down the line. In a typical system, one in nine rollers is powered by an internal motor and linked to the non-powered rollers with a series of O-rings. These systems are ideal for product with firm, flat bottoms like drums, cases, packaged materials, and other boxed cargo. Integrated Conveyor roller conveyors are also excellent for use on pallet handling lines. Industrial applications for roller conveyors include manufacturing, order fulfillment, food and beverage processing, machine building, printing, packaging, and more.