Used .8″ 34/1 welding engineers model ht0.8 twin screw extruder having counter-rotating tangential screw design. barrel has (7) sections including (2) vented and plugged sections and (1) vented section. Barrel is electrically heated, air cooled via compressed air. New watlow plc controls all (7) temperature zones. Gearbox is driven by approximately 10 hp dc motor with scr control.
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