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Double Wall Corrugated Pipe Extrusion Line (Vertical)

Double wall corrugated pipe is mature product which has the advantage of low weight, low cost, anti-corrosion, good ring stiffness and flexibility. Our company has developed PE double wall corrugated pipe extrusion line for more than 20 years. We have the whole series of double wall corrugated pipe machine: horizontal type, vertical type and shuttle type. Our machine can process wide range of material, including HDPE, PP, PVC, etc. Our double wall corrugated pipe extrusion line can produce from inner diameter of 63mm to 1200mm.


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Technical parameter for extrusion line (for reference only, can be customized):

ModelOutput Capacity (kg/h)Main Motor Power (kw)
WPE75-250400 - 520(55+45) - (75+55)
WPE200-400740 - 1080(110+75) - (160+110)
LPE200-6001080 - 1440(160+110) - (200+160)
LPE200-8001520 - 1850(220+160) - (280+200)
LPE400-12001850 - 2300(280+200) - (355+280)

Main machines of DWC pipe extrusion line


Advanced overall design of direct combination. Efficient screw and spiral water cooling sleeve in barrel, can realize extruding material in low melt temperature in high speed.

Corrugating Unit

Unique vacuum regulator device ensure the best vacuum degree for the pipe forming
Corrugator is used to place and move corrugated mould. Vacuum is created to absorb outer layer into corrugated mould to form corrugate shape. By moving corrugated mould, pipe is also pulled out from corrugator.

Cooling Tank

Powerful spray cooling
Tank adopts stainless steel with observation window
Length of cooling tank: 5000mm
Use filter system for non-stop cleaning


Planetary double-station cutting
Hydraulic feed
Blade rotation speed is adjusted by imported speed-regulator
Siemens PLC control system

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