Chain conveyors are generally used where sticky bulk materials such as chalk, gypsum, clay or raw coal are to be extracted from a hopper. For such applications AUMUND recommends the PKF armoured chain conveyor.
For extraction of filter dust or additives the AUMUND TKF Chain Conveyor Type LOUISE is often used. As this machine conveys bulk material in a closed trough, and the impact on the environmental is minimised.