Screw Conveyor: 1.Dia100,160,200,250,315,400,500,630,800,1000,1250 2.Conveying cement,grain,ash,sand,coal,chemical fertilizer Technical Parameters of screw conveyor (LS): Specifications Model10016020025031540050063080010001250Screw diameter10016020025031540050063080010001250Pitch100160200250315355400450500560630Screw rotation speed1401121009080716350403225Conveying capacity2. ...