... conveying, material temperature less than 200DEG C, the high reliability, LS type screw conveyor is designed according to international standards ISO1050 ... -75. It has some advantages of innovative design, advanced technical indicator, small seal resistance, well wear resistance, low ... are: Φ150, Φ200, Φ300, Φ400, Φ500, Φ600 and Φ700 etc. LS / GX type screw conveyor