The KKF 850/1050/1250/1450-2K-U drag chain conveyor transports material in the lower belt. It features two external conveyor chains that run on chain slide rails. Covers fitted over the chains in the feed area protect against the ingress of material. The conveyor chains have a breaking load of 16 t. Trough widths of 850 mm, 1,050 mm, 1,250 mm and 1,450 mm are available.