Large filter area continuous screen changer for plastic extrusion machine This zb-DP-L series Double piston large filter area continuous screen changer for plastic extrusion machine is consist of The main body of the screen changer Hydraulic unit Electrical controlling pack(this part is optional choice by customers, the above picture shows two kind of controll system) This zb-DP-L series Large filter area continuous screen changer for plastic extrusion machine is designed based on zb-DP-R series dual rods continuous screen changer , this kind of continuous screen changer enlarge the filtration area by instead the round breaker plates as the rods full of holes, and the filter screen is wrapped on the rods full of holes. And this kind of continuous screen changer now is widely used for the hot melt adhesive, high output plastic recycling machine. So the filtration area of the GM-DP-L series screen changer is much more larger than the zb-DP-R series continuous screen changer, it meets the high yield device requirements.