... the coal at the middle laneway and blasting face. Scraper Conveyor SGB-620/40T Design Length m 200,100,80 Transportation ... ,150,80,70,40Scraper ConveyorSpeed m/s 0.86Motor Breakage Pull KN >=343Power KW 75*2,40,30,13*2,17Scraper ... 1200*320*150ReducerDrive Ratio01:24.6 Reducer3Total Weight of the Conveyor (T)87.6,17.6,10.29,9.56,9 ...