... to the screen changer and pelletizer. WD-130/30 single screw extruderGear box:high torque,low noise,external connect with ... cooling recycling system;Screw: 38CrMoA1A,Nitrogen treatment;Barrel: 38CrMoAlA,nitrogen treatment,barrel ... cooling; temperature controllerDrive power:AC motor(132kW);Screw diameter:130mm;L/D:30 :1;Lubrication:forces lubricating;Vacuum system: ...