... as cement, coal, grain, fertilizer, ash, sand etc, material temperature 200 degrees Celsius. Screw conveyor is unfavorable conveying easy ... sealing effect is good, condole axletree lifespan, conveying material temperature 80 °C (when ordering can indicate).M2 -- for ... hang sealing devices, are commonly used in conveying material temperature is higher, °C 80 or conveying liquid materials. ...