Features: We are professionally manufacturing plastic machinery and waste plastic washing production lines, such as PET (bottle) flakes washing lines, PP/PE waste plastic film washing and granulating/palletizing production lines, pipes and shape pipes production lines, and various auxiliary machines. Our products are more reasonable in design, more excellent in processing and more durable in usage. This line is consisted with charging system, crushing machine, extruder, granule cutting machine, mould, hydraulic sieve changer, centrifugal dewater machine and air sending system. Here for theHydraulic screen changer: Hydraulic pressure station is designed for extruder quickly changing the screen. It is in small cubage but in high flow. At the same time, it is with low noise, can move and easy to operate. There are two sieve lift poles in the screen changer. When you need to change the screen, only one lift pole leaves the duct and the other one rests on the duct, let the plastic pass. This special device doesnt need to stop the main motor when you want to change the screen which avoids turn off then on problems in screen changing process.