Automatic control continuous screen changer plastic granulating extruder Benefits of this GM-DP-R series continuous screen changer for extruder Increased production Reduced downtime & scrap Leak-free operation Increased filtration area Reduced inlet pressures Accurate, repeatable screen changes Reduced maintenance Technical data 1)The main body of the screen changer Raw material:alloy steel(38CrMoAlA) Surface treatment:Nitriding treatment Depth of Nitrated Layer: 0.40-0.70mm Nitrided hardness:950-1050Hv Fragility of nitration: Less than grade 1 Flow channel treatment: chrome plated Depth of chromium-plating:0.05-0.1mm Hardness of surface after chromium-plating:HV950HV 2)Drive system:Hydraulic unit: 3)Control system Electrical controlling system: warnning device,pressure and temperature transducer, are included