HDPE HDPE hollow wall winding pipe product features reinforced hollow wall winding genus flexible pipes, wall using the "workers" shaped structure in line with the principles of mechanics. Product has the following significant features: ● 1, high strength, compressive strength, impact resistance and good type ● 2, good anti-settling properties of the underlying technology of low processing requirements, applicable to soft soil foundation of quicksand ● 3, the inner wall of smooth, friction resistance is small, through hydro power, you can use a smaller diameter instead of large diameter concrete pipe ● 4, the use of electric wing with or shrinking band links, joint leakage, no secondary pollution ● 5, corrosion-resistant good, not easy to be sewage, waste water and chemical corrosion, can not easily be filled in decaying matter soil erosion ● 6, superior wear resistance than steel, cement tube wear and long life cycle ● 7, easy to connect, but now the tube trench connection, and then pushed to ditch the whole, effectively speed up the progress, shorten the project time and cost ● 8, subject to seasonal construction, require low temperature constraint in the temperature -40-60 ℃ to normal operation ● 9. Quality light, easy to carry, easy construction, pipe just excavator, without large-scale equipment, engineering and lower total cost. HDPE hollow wall winding pipe product parameters No. projects require a ring stiffness (KN / m) SN8 ≥8 SN10 ≥10 SN12.5 ≥12.5 SN16 ≥8 2 Impact performance (TIR) ??≤10% 3 ring flexible sample sleek, no rebound bending, no rupture 4 oven test joints melt drains should be no delamination, no cracking creep rate ≤2% 6 5 weld tensile strength Nominal size / mm nominal diameter pipe can withstand the minimum tensile strength (N) 300≤DN / ID≤500 600 600≤DN / ID≤800 840 900≤DN / ID≤1200 1020 1300≤DN / ID2000 1460 DN / ID≤2000 1600 7 ring flexible smooth specimen, no reverse bending, no rupture 8 drain melting oven test joints should be no delamination, no cracking nine creep rate ≤2% HDPE hollow wall winding municipal engineering applications: for underground rainwater, sewage Roads Project: as railways, highways, infiltration highway, airport terminals, airport drainage: as major ports, terminals, airport projects rainwater outfall construction engineering and construction projects: apartments, residential garden cities such as storm sewer, underground sewage drainage, ventilation tube stadium by the stadium : as golf, soccer, square isotonic, drains Communications Engineering Communications Engineering: as communication cables, cable protection tube