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Double-wall corrugated pipe is a new type of lightweight pipe made of high-density polyethylene. It has the characteristics of light weight, high pressure resistance, good toughness, fast construction and long service life. Its intentional wall structure design and other structures Compared with pipes, the cost is greatly reduced. And because the connection is convenient and reliable, it is widely used at home and abroad. A large number of alternative concrete pipes and cast iron pipes.
2. HDPE double-wall corrugated pipe does not require high groove bottom
3. HDPE pipe does not break on the ground sinking or crustal changes
4. The permeability of HDPE pipe is much lower than that of cement pipe, less than 2%, and it will not cause secondary pollution to groundwater.
5. HDPE pipe has a long service life of more than 50 years
6. The inner surface of HDPE pipe is smooth, without positive and negative electric core, no scaling
7.HDPE is light in weight, easy to transport and install, no loss
8. When the pipeline passes the same flow, slope and buried depth, HDPE can be one or two smaller than the cement pipe.
Major technical indicators of HDPE Double Wall Corrugated pipe
Density: 941kg/m2 ~965 kg/m2 ;
Refracton coefficient: 1.54nd;
Water absorption<0.01%;
Tensile strength:20-35Mpa;
Elastic modulus:800MPa; Stretch yield strength: 20MPa;
The ring strength of pipe should equal or over 4KN/ m2;
HDPE Double Wall Corrugated Pipe Application:
1.Rainfall and sewage drainage in municipal engineering
2.Industrial waste water and plot sewage drainage
3.Brine well transporting bittern, fishery transporting water
4.Mine ventilation and drainage project
5.Farming irrigation and drainage
6.Wall pipe of excavate project (double wall corrugated pipe with holes
7.Water conservancy project
8.Safeguard pipe of low voltage cable and communication cable
9.Expressway embedded pipe
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