Heavy duty belt conveyor 1:Width:400-2200mm 2.Type: EP,NN,CC,ST,PVG,PVC ... heavy duty belt conveyor Heavy duty belt conveyor1:width:400-2200mm2.type: EP,NN,CC,ST,PVG,PVC3 ... working conditionD: Abrasion working conditionL: General working condition 2. Tensile property of thickness:a. The longitudinal tensile strength ... is not lower than the following nominal value:315 400 500 600 630 8OO 9OO 1000N/mmb. The ...