Brief introductions of silicon-core hdpe pipe extrusion line extruder: HDPE three layers composite pipe with inner Silicon-layer pipe is made of PE, the inner layer is silicon layer. Whole line is made up of three extruders, after extrusion from the die-head, the pipes formed, HDPE three layers composite pipes with inner Silicon-layer are mainly used in the protection of cable in network project.Features: 1)Vacuum calibrator: with autoliquid level and vacuity control system, spray water for cooling made of stainless steel with 24meters 2)Haul-off unit: equipped with an automatic clamping system, frequency control speed for the stably haul-off. 3)PLC control system for the temperature, extrusion, length set, haul-off and automatic printing.Main technical parameter: Model SGXG-75 Diameter 90mm 45mm 30mm L/D ratio 34:1 30:1 25:1 Output260 40 15 Installed Power 205Kw Specifications 32-75mm Productivity per year3500Km Haul-off speed6-14m/min Overall dimension (L×W×H) (××) 40×3×2.5m