Plastic granulation non-stop hydraulic screen changer The plastic extruder screen changer is widely used in materials such as plates, sheets, films, foaming, granulation, polymerization lines, blending, sols, adhesives, etc. Working principle of extruder screen changer When the double column screen changer of the extruder is working, both filter screens work simultaneously. When the screen needs to be changed, the hydraulic station can be activated to perform the screen change action. When repla