... vertical transportation 3.Strong transport capacity,long distance. Work environment: Belt conveyor, belt conveyor for conveying bulk density of less than 1.67 / t ... of low-abrasive materials and bags of materials, such as coal, gravel, sand, cement, fertilizer, and grain. Sent material temperature is ... 15-30/7.5-15 1.3-1.6 120-180 1000≤10/5.5 10-20/7.5-11 20 ...