... , construction, and cable laying. Features:1. This line is composed of conical twin screw extruder, vacuum calibration tank, tractor, cutter, turn-over ... , pipes of different materials such as PP, PE, ABS, PPR, PEX,etc. Extruder optional: ModelSJZ-45SJZ-51SJZ-55SJZ-65SJZ-80ISJZ-80IISJZ-92Screw ... steel cast aluminum heaterMachine pictures: XINXING High Efficiency GF Series Plastic Pipe Production line