Product introduction: PVC drainage pipe is an alternative to traditional drainage pipe, which has better physical and chemical properties. Its inner wall is smooth and has less frictional resistance than conventional drainage materials, so the slope of the cross pipe installation is smaller, which can improve the indoor net height of the building. At the same time, the PVC drainage pipe is lighter in weight, one-fifth of the cast iron pipe, which is easy to transport and operate; Adhesive connection for easy installation and maintenance; The price is lower than that of conventional drainage pipes, which greatly reduces the cost of the project; Strong corrosion resistance, widely used in construction sewage wastewater and rainwater pipe systems. In addition, the widespread use of PVC drainage pipes is conducive to saving steel, which is of great significance for alleviating the situation of steel shortage in China. Compared with cast iron pipes and steel pipes, PVC-U drainage pipes have the disadvantages of low pressure bearing and weak impact resistance. Furthermore. Although PVC-U drainage pipe is a flame retardant material, for indoor exposed pipes, there is a possibility that the fire may spread upward along the drainage riser.
Process flow of PVC pipe production line: Production processRaw materials + auxiliaries preparation→ mixing → conveying feeding→ forced feeding→ conical twin screw extruder→ extrusion mold→ sizing sleeve→ spray vacuum shaping box→ immersion cooling water tank→ ink printing machine→ crawler tractor→ knife cutting machine→ pipe stacking rack → finished product inspection and packaging
Product use: PVC pipe means that the main raw material for making pipes is PVC resin powder. The types of PVC pipes are generally divided according to the use of pipes: drainage pipes, water supply pipes, wire pipes, cable sheath pipes.
Because the raw material formula is different, the pressure resistance of various tubes and other aspects of the indicators are different.
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