coal conveyor drum 1.Standared:DIN,CEMA,AS,JIS 2.Dia ... along with our range of Conveyor Pulleys. The pulley drum is groovedwith rubber lagging properly to resist slippage and ... ) Drive Head Pulley500500Length of the pulley depends on the belt width of the conveyor650500, 630800500, 630, 8001000630, 800, 10001200630, ... , metallurgy, shipbuilding.construction, coal tunneling of transportation conveyor drum