Double wall corrugated pipe: wall cross-section for two-tier structure, the inner wall is smooth, the outer wall of the equidistant arrangement of trapezoidal hollow structure of the pipe. 
 Performance characteristics 
 Unique structure, high strength, smooth wall friction is small, high turnover, the base do not need to do the concrete foundation, light weight, easy installation, handling, quick construction; rubber ring socket connection method is reliable, easy to guarantee the quality of construction; flexible interface . Resistance to differential settlement capability; 
 2, anti-leakage effect can be resistant to the erosion of a variety of chemical media; tube does not scale, the basic need to dredge, buried service life of more than 50 years. 
 Applications 
 1, municipal engineering. Can be used for drainage, sewage 
 2, the construction works. Used in building rainwater pipes, underground drainage pipes, sewage pipes, vent pipes, etc. 
 3, electrical, telecommunications engineering. Available for the protection of various types of power cable tube 
 4, railway, highway traffic. Used as a communication cable protection tube 
 Industry. pvc double wall corrugated pipe sewage pipes are widely used in chemical, pharmaceutical, surrounded by other industries 
 6, agriculture, garden project. For irrigation and drainage of farmland, orchards, tea plantations and forest 
 7, the road works. pvc double wall corrugated pipe used for railway, highway seepage, drains 
 8 mine. pvc double wall corrugated pipe can do mine ventilation and water to the drain pipe 
 Production process 
 pvc double wall corrugated pipe is hard PVC as the main raw material, pvc double wall corrugated pipe from the inside and outside extrusion, molding, inner wall smooth, the outer wall was a trapezoidal corrugated inner and outer wall by a folder-walled hollow plastic pipe. 








 Specifications