HDPE steel strip reinforced spiral corrugated pipe adopts U-shaped steel strip composite PE material, which greatly improves the ring rigidity of the pipe without increasing the cost, and greatly improves the strength of the wound pipe and carat pipe under the same weight. It can solve a series of problems such as heavy load, and the advantages of large diameter pipes are more obvious. The production pipe caliber ranges from DN300mm to DN2400mm, and the ring stiffness remains above 8KN/m2, which is lighter in weight and higher in strength than cement pipes and other plastic pipes.? The composite of each layer is carried out in the plastic melt state; it is completely different from the secondary melting of the winding pipe (hollow wall pipe), so the layers are completely bonded and the fastness is very high.? The surface of the steel strip is specially pretreated to enhance the corrosion resistance of the steel and the adhesion between steel and plastic, and improve the peel strength. The overall structure of the pipe is firm and reliable by winding and forming under the condition that the plastic raw material is fully melted. Due to the use of special materials and processes, the anti-corrosion problem of the steel plate and the adhesion between the steel plate and the PE material is solved, so the service life of the pipe is the same as that of a pure plastic pipe, and is guaranteed to be more than 50 years. What are the characteristics of HDPE steel strip reinforced spiral bellows Sewage pipe technology is constantly developing and new ones are introduced every year. Among them, steel belt reinforced spiral bellows have received the attention of many industrialists. Among them, the criteria for measuring the quality of sewage pipes are: corrosion resistance, low flow resistance, smooth inner wall, high strength, good toughness, long service life, and convenient construction. Then let's take a look at the steel belt reinforced spiral bellows don't meet these characteristics.? HDPE steel strip reinforced spiral corrugated pipe adopts U-shaped steel strip composite PE material, which greatly improves the ring rigidity without increasing costs, and greatly improves the strength of the winding pipe and carat pipe under the same weight. It can solve a series of problems such as heavy load, and the advantages of large diameter pipes are more obvious. The production pipe caliber ranges from DN300mm to DN2400mm, and the ring stiffness remains above 8KN/m2, which is lighter in weight and higher in strength than cement pipes and other plastic pipes. What are the characteristics of HDPE steel strip reinforced spiral bellows? 1. Chemical resistance: It is not corroded by pollution, wastewater and chemicals, will not be corroded by rotting substances in the soil and will not be damaged by plant roots; HDPE is an environmentally friendly raw material, harmless to the environment such as land, and can be reused. 2. Impact resistance: The pipe wall adopts a\ U\” shaped structure, which is impact and pressure resistant, does not break when the foundation sinks, and has strong resilience after deformation, and has good adaptability to the foundation;? 3. Aging resistance: Most of the pipes are black, which can withstand a long storage time and withstand the direct sun during construction;? 4. Cold resistance: the pipe will not be frozen, cracked, expanded and leaked in the -60℃ environment; 5. Light weight: convenient for transportation and construction, the weight is 1/8 of the cement pipe, and the buried pipe only needs an excavator, no large-scale equipment is required;? 6. Easy connection: pipes can be connected outside the trench first and pushed into the ditch with an excavator to reduce project time and cost;? 7. Superior wear resistance: wear-resistant than steel pipes and cement pipes, and strong circulation capacity of domestic water waste;? 8. Excellent drainage flowability: small flow resistance on the inner wall of the pipe, fast drainage speed, strong water flow capacity, and large flow rate.? 9. The stability of the pipeline system is good: the circular outer tensile structure of the pipe not only increases the ring stiffness of the pipe, but also has a root resistance effect, which solves the tension and top well problems caused by the longitudinal displacement of the pipe. 10. Completely reliable ring stiffness: Since the elastic modulus ratio of steel and plastic materials is greater than 200 and the weight ratio is greater than 7.85, compared with pure plastic pipes, steel strip reinforcement can easily make pipes (especially large diameter pipes) have sufficiently reliable ring stiffness and relatively high stiffness to weight ratio. “