Description Overview Davis Standard model 600S Thermatic extruder 6 inch barrel diameter 30:1 L/D ratio Water cooled Non-vented 6 zone barrel General purpose polyolefin screw Drive and Power 17.21 gearbox ratio Driven by a new WEG 300 hp AC motor Includes a new 300 hp WEG AC drive control in cabinet Feed and Cooling 8 inch x 8 inch water cooled square feed throat Reconditioned closed loop cooling system Includes infeed hopper with diverter valve Controls and Condition Reworked 10 zone control panel with new wiring and new Eurotherm 3216 solid state plug in type instruments