PVC double-pipe conical twin screw extruder 16-40mm machinery production line Description of pvc double-pipe machinery: The UPVC / PVC pipe machinery is equipped with conical double screw extruder. With this machine, the line can achieve a high-efficient production. The final products are widely used in protecting wires and cables in daily life or industry and construction. It has the advantages of wear-resisting and moisture proof so it can make wires and cables safe.   Process flow of pvc double-pipe machinery: Raw material+additive→mixing → conveying feeding → force feeding → conical double screw extruder → "one mould two pipes"mould → calibrator → double spray vacuum calibration tank → ink printer → double belt haul-off → double uplift cutter → double pipe rack → finished product inspecting & packing   Technical Parameters of pvc double-pipe machinery: 

Model	Auxiliary	Screw Diameter(mm)	Pipe Range(mm)	Capacity(kg/h)	Main motor power(kw)	Total Power(kw)	Line Length(m)
U-PVC40	One mould two	51/105	16-40	80-120	18.5	50	22
U-PVC63	One mould two	65/132	75-63	120-250	37	100	25

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