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USED: Davis Standard Thermatic 2"... USED: Davis Standard Thermatic 2" single screw extruder, model DS20, approx 24:1 L/D ratio. Electrically heated, air cooled 3 zone non-vented barrel. Water cooled feed throat with hopper. Driven by a 20 hp, 500 volt, 1750/2300 rpm DC motor thru a reducer, ratio 6.53:1. 42" centerline height. Unit includes a 5 kva transformer, control panel with a Reliance Flexpak 300 drive. All unitized on a common base. Built 1999. USED: Davis Standard 1.5" pedestal mounted single screw extruder, model DS15. Approx 26:1 L/D ratio. Electrically heated, air cooled 4 zone non-vented barrel. Water cooled feed throat, no hopper. Driven by a 7.5 hp, 240 volt, 1750/2300 rpm DC motor thru a reducer, ratio 15:1. Includes a control panel with Melltrem drive. Mounted on a common base. Built 1991. and the product is still available, |