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USED: Welex extruder, model 250 30:1 RH ... USED: Welex extruder, model 250 30:1 RH NV, 2.5" screw diameter, 30:1L/D ratio. 54" center line height. Cored screw includes rotary union. Water cooled feed section 4.5" x 3.5". Driven by a 75 HP DC motor. 500 volt, 1750 RPM thru a Lufkin quick change gear box type D55-410, 131 HP rating, 10.05 to 1 ratio, 171 RPM screw speed. Drivegear 47, driven 57. No heater bands or controls. and the product is still available, |