1. Usage: PE, HDPE pipe is mainly used in water draining, nature gas transport. 2. Machine feature:    High efficiency single screw extruder: high rotation speed, high capacity and good compounding effect ensures stable extrusion.    Extruding die: it adopts latest designed die head with spiral distributing flow channel, built-in Temp.control device which make extrusion more  evenly and regulution more conveniently.    Vacuum calibration and spraying cooling trough: advanced water loop vacuum calibration, equipped with adjusting device for roundness and  multi-section 6m spraying water tank, ensure perfect calibration; the body of tank is made of stainless steel.    Haul off unit: can select 2 claw,4 claw,6 claw,8 claw haul off unit  to satisfy manufacturing requirements for different pipes.    Cutting unit: base on different reuirements,we can adopt saw cutting,planet saw cutting and chip-free rotary knife cutting etc.    Control system: all kinds of control system is available, such as PLC automatic control system, make operation easily and smoothly.