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HDPE Double-wall Corrugation Pipe
  • HDPE Double-wall Corrugation Pipe
  • From:Ginde   AddDate:2017-06-06 14:13:02    View:

  • I.Product introduction of Ginde HDPE double wall corrugation pipe 
    1.Properties of Ginde HDPE double wall corrugation pipe
    Large diameter HDPE double wall corrugated pipe is a new pipeline system whose material is high-density polyethylene. It has the virtue of light weight, withstand voltage, flexible and long live etc. Compared with other pipes, its good pipe wall structural design reduce the cost observably. It is generally used in domestic market and abroad because of its easy and safety connection. The Country Ministry of Construction regulates that concrete pipe is limited in embedded pipe but large diameter HDPE double wall corrugated pipe is recommended. It is the upgrading and updating product of concrete pipe and cast iron pipe, which has good foreground.
    HDPE large diameter double wall corrugated pipe mainly use for embedded pipe. Embedded pipe transport the non-potable water, sewage, rainwater or other gas and liquid to user, sewage treatment plant and river. The flow is forced by gravity, there is no pressure in the pipe when transporting whit gravity, it only endures the pressure of soil. The performance requirements of embedded pipe are:
    1)Intensity and Stiffness (ability of enduring geographical conditions load);
    2)Hydraulic features (ability of transporting liquid);
    3)Sealability (no giveaway, prevent polluting environment);
    4)Long Lifespan (corrosion resistant, resistance to abrasion);
    5)Easily to install;
    6)Comprehensive economical features
    First: Intensity and stiffness. Because plastics embedded pipe is flexible pipe and it endures the press with the soil around in correct design and construct that plastics embedded pipe doesn 't need the same intensity and stiffness as rigid concrete drain pipe.
    Next: In hydraulic features, plastics pipe's resistance of fluid is less than concrete pipe because of it's slippy inner surface. It's proved by practice that smaller diameter plastics pipe can attain required the same flow rate than concrete pipe at the same slope. Plastics pipe can decrease the slope rate at the same diameter (decrease construction workload ).
    Third: In sealability, Plastics pipes' connection is credible. (flexible sealing ring bell and socket link).
    Four: Plastics pipe has many advantages in useful lifespan and corrosion resistant. Sewage and rainwater transported by embedded pipe is always aggressive, acidity or causticity. Sewage has powerful corrosiveness for example industrial water. Plastics embedded pipe has better inoxidizability than metallic conduit and concrete pipe. Plastics pipe's abrasion resistance is better.
    Five: Prominent advantage in installation: light weight, longer length (less connect), low require for pipe ditch and foundation, easy connecting and quickly constructing. Plastics pipe's virtue is prominent in city's crowded area and bad geological area (for example high ground water level and flaccid foundation).
    Last: plastic embedded pipe's virtue is being discovered in comprehensive economic level. The price of plastic embedded pipe is higher than concrete pipe. But it is approved by installation practices in domestic and international market; in all projects?cost of plastics embedded pipe was lower than concrete pipe if the design and construction is correct. The cost of double wall-corrugated pipe is as similar as concrete gripping pipe. Its price decreases 30%-40% than faucet concrete pipe. Double wall-corrugated pipe can reduce the construction period. Its economic feature is apparent.
    2.Major technical indicators of Ginde HDPE double wall corrugation 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;
    II.Application range of Ginde HDPE double wall corrugation pipe
    Rainfall and sewage drainage in municipal engineering
    Industrial waste water and plot sewage drainage 
    Brine well transporting bittern, fishery transporting water 
    Mine ventilation and drainage project 
    Farming irrigation and drainage 
    Wall pipe of excavate project (double wall corrugated pipe with holes
    Water conservancy project
    Safeguard pipe of low voltage cable  and communication cable
    Expressway embedded pipe 
    III.Production technique of Ginde HDPE double wall corrugation pipe
    1. Production equipment
    We are introducing digital control technique and automated production line to reduce hand labor intensity. The temperature of extruder could be controlled accurately, which reaches+1 oC. Molding machine has been improved, which could produce wide range specifications pipes with its 'asy to change'mould. The cooling system, heating system and lubricating system are automation. Because of the less mould twisting, it is no exceed pressure effect the running of the machine. By using the vacuum sucking plastic technique, the outer and inner diameters are very stable. The thickness of product could adjust in according to the customer's demand.
    2.Raw material
    High quality polyethylene

     
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