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What is the difference between a double-walled winding tube and a double-walled corrugated tube?
Now the same type of pipe has various names. Have you ever seen these two kinds of pipes in the text?
Hdpe double-walled winding tube is actually hdpe steel belt tube, which consists of three parts, steel belt, high-density polyethylene and bonding resin. The steel strip is rust-removed to enhance the corrosion resistance of the steel and the adhesion of the steel and plastic, and then the steel strip and the fully melted high-density polyethylene material are machined and wound. The inner wall of the pipe is smooth, the outer wall has a spiral corrugated structure, and the inner steel strip is U-shaped, which greatly enhances the pressure resistance of the hdpe steel strip. It can be used by electric hot melt connection, heat shrinkable tape connection, internal and external extrusion welding or a combination of various connections. A reliable connection allows the pipe to reach zero leakage.
The inner wall of the Hdpe double-wall corrugated pipe is smooth and the outer wall is corrugated. Unlike the steel pipe, the double-wall corrugated pipe is co-extruded by two machines, double-layered and split, and is formed by one extrusion instead of winding. The raw material of this kind of pipeline is only high-density polyethylene, which has the characteristics of light weight, high pressure resistance, good toughness, fast construction and long service life. Its excellent wall structure design is greatly reduced in cost compared with other structural pipes. And because the connection is convenient and reliable, it is widely used at home and abroad. A large number of alternative concrete and cast iron pipes.
Although the two pipe manufacturing processes are different and there are slight differences in composition, the functions are similar.
1. Municipal drainage and sewage pipeline system engineering;
2. Drainage and sewage are buried underground in apartments and residential quarters;
3. The pre-buried pipeline of the expressway and the infiltration water pipe network of the golf course;
4. Water conservancy projects such as irrigation, water drainage and drainage in farmland;
5. Chemicals and mines are used for fluid transportation and ventilation;
6. Protective casings for underground pipelines and sheathed pipes for communication cables.
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