1.What is the corrugated pipe production process? E.g. How to make corrugated plastic pipe?
- PP or HDPE granulates are feed into two extruders, one for extruding outer layer of corrugated pipe, and the other for inner layer.
- The materials are melt and extruding out from die head, then come into the “pipe corrugator”, the corrugated pipe are formed here by vacuum and cooling mould blocks.
- The formed double wall corrugated pipes will be further cooled in the cooling tank after pipe corrugator, until it cool down to the surrounding temperature.
- Then the corrugated pipe will be cut by the corrugated pipe cutting machine, usually cut into around six meter length per piece. The specific pipe length depend on the mould block chain length of pipe corrugator.
- The corrugated pipe will be weighted and tilted by pipe stacker / pipe tilting device.
- if the small diameter corrugated pipes are used for cable protection or drainage pipes, it could be coiled by the pipe coiler.

2. What is the corrugated plastic pipe machine cost [price]?
It depends on which diameter of corrugated plastic pipes you will produce. Please kindly inquire at sales@zhongyuntech.com for specific offer.
ZhongyunTech also manufacture new moulds for the corrugated pipe manufacturers who has old corrugated pipe machines, whatever brands of pipe corrugator you have, Unicor, Corma or Drossbach... and no matter it is vertical pipe corrugator or horizontal pipe corrugator.

3. What is the application field of the corrugated plastic pipes?
- Cable protection conduit for telecom cables and electricity cables.
- Protection pipes for community heating systems.
- Drainage pipes for streets, factory, squares, golf course and sports field.
- Storm water pipe and sewage pipe.
- Drainage pipes for fields, streets, squares, buildings.

4. Which diameter of corrugated pipes does this corrugated pipe machine can produce?
ID100mm -- OD630mm

5.What kind of plastic material can be used to produce corrugated pipes?
HDPE, PP, PVC

6.Which unit compose this corrugated pipe extrusion line?
Extruder for corrugated pipe
Pipe Corrugator
Die head, Mould blocks and calibrating mandrel
Cooling tank
Pipe cutting machine
Plastic pipe tilting device
Pipe coiler

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