Pelletizer polymer screen changers are mainly used in the production of pelletizing, PE, PP, PPR, PERT pipes, plates, sheets, cast films, nonwovens, chemical fibre spinning, etc. where the flow of material is not interrupted during screen change and where continuity is required. When the pelletizer is working, the two filters work at the same time, when the screen needs to be changed, you can start the hydraulic station to change the screen action, when the screen is replaced, one screen works,