Used 3.5" Welex 30/1 L/D extruder. Model 3.5-30:1LHSV, serial #4746, new 05/88. Has electrically heated water cooled vented (plugged) barrel including 2-stage screw and spare screw. 55" centerline height. Driven by a 150 hp DC motor with SCR control through a Lufkin gearbox. Includes Welex 5656 melt pump driven by 20 hp motor, Beringer hydraulic screen changer with hydraulic pump, co ex block (spare co ex block not installed), hopper and static mixer. Extruder previously used on high impact polystyrene in laboratory setting.
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