HDPE COD Pipe is also Corrugated Optic Duct Pipe, the outlayer is HDPE sprial corrugated pipe, the inner is 3-9 small diameter hdpe core pipe. With high elasticity and better flexibility, it is widely used in optical cable and cable protection pipe and electric cable protection pipe, bridge pipe etc. 

Advantage 
1. Easy operation
2. stable running ,
3. high output , and very popular in home country and abroad.

Production Process for
Raw material + master batches→mixing→vacuum feeding →material drier →single screw extruder→extrusion mould→corrugation forming machine→hual off→winder→finished product inspecting &packing

Product Parameters

Outer layer pipe:

Model  SJ-75(PE)

L/D  30:1
Pipe Diameter(mm)  50-200
Output(kg/h)  150-200
Production speed (m/min)  1.5

Inner core pipe:
Model  SJ-65/33(PE)  SJ-90/30(PE)
L/D  33:1  30/1
Pipe Diameter(mm)  16-32  32-63
Output(kg/h)  150  200
Production speed (m/min)  12-15  8-15
Power (kw)  37  50

The machinery electric parts details:
ITEM  BRAND
1 Motors   Famous brand in China
2 PLC (customized)    SIEMENS 200 series
3 Interface module(customized)   SIEMENS
4 Touch screen(customized)   SIEMENS
5 Low voltage electrical    SIEMENS&SCHNEIDER
6 Inverter   ABB
7 Temperature control system   OMRON