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Zhangjiagang Sevenstars SJ65/30

HDPE, PP, etc. extruder.

Purchased in 2020. Run time only 10's of hours, so like new.

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Vacuum feeder -> drying hopper -> water cooled collar -> extruder barrel -> 4 heating/cooling zones for tube -> heated filter area -> heated motor controlled hear doser.

Siemens frequency drive for adjustable speed. Variable speed gear pump on the end for fine metering of plastic for higher precision applications and better consistency.

38CrMoAlA, Nitrogen treated 65mm diameter screw with a 30:1 length:diameter ratio.

33 ~kW Max, 380-415V 3-phase.

Currently in storage unit, but connected so able to see operating in pictures as attached.