Take science and technology as the core to build the quality pipeline
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Polyethylene (PE) pipe for water supply
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Number of views:
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Product serial number
Category
HDPE
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Details
Product Introduction
Executive standard: GB/T 13663-2018
High-density polyethylene is used to produce PE pipes through extrusion and plasticization, which gradually replaced traditional reinforced concrete pipes and steel pipes.
Features
1. Reliable connection: The polyethylene pipe system is connected by electric heating and the strength of the joint is higher than the strength of the pipe body.
2. Good low-temperature impact resistance: The low-temperature embrittlement temperature of polyethylene is extremely low, and it can be used safely in the temperature range of -60℃-60℃. During winter construction, due to the good impact resistance of the material, the pipe will not be brittle.
3. Good stress crack resistance: HDPE has low notch sensitivity, high shear strength and excellent scratch resistance, and its environmental stress crack resistance is also very outstanding.
4. Good chemical resistance: HDPE pipes are resistant to corrosion by a variety of chemical media, and the chemicals in the soil will not cause any degradation to the pipes. Polyethylene is an electrical insulator, so it will not rot, rust or electrochemical corrosion; in addition, it will not promote the growth of algae, bacteria or fungi.
5. Anti-aging and long service life: Polyethylene pipes containing 2%-2.5% evenly distributed carbon black can be stored or used outdoors for 50 years without being damaged by ultraviolet radiation.
6. Good wear resistance: The comparative test of the wear resistance of HDPE pipes and steel pipes shows that the wear resistance of HDPE pipes is 4 times that of steel pipes. In the field of mud transportation, HDPE pipes have better wear resistance than steel pipes, which means that HDPE pipes have a longer service life and better economy.
7. Good flexibility: The flexibility of HDPE pipeline makes it easy to bend. In engineering, it can bypass obstacles by changing the direction of the pipeline. In many cases, the flexibility of the pipeline can reduce the amount of pipe fittings and reduce installation costs.
8. Small water flow resistance: HDPE pipe has a smooth inner surface, and its Manning coefficient is 0.009. The smooth performance and non-adhesive characteristics ensure that HDPE pipes have a higher conveying capacity than traditional pipes, and also reduce the pressure loss of the pipeline and the energy consumption of water transmission.
9. Convenient handling: HDPE pipes are lighter than concrete pipes, galvanized pipes and steel pipes. It is easy to handle and install. Lower manpower and equipment requirements mean that the installation cost of the project is greatly reduced.
10. A variety of new construction methods: HDPE pipeline has a variety of construction technologies. In addition to traditional excavation methods, it can also use a variety of new non-excavation technologies such as pipe jacking, directional drilling, and liner. It is the only choice for some places where excavation is not allowed. Therefore, HDPE pipelines are more widely used.
Application field
1. Urban water supply; HDPE pipeline has comprehensive advantages such as safety, sanitation, and convenient construction, and has become an ideal pipe for urban water supply.
2. Food and chemical fields; HDPE pipes have unique chemical corrosion resistance and can be used for the transportation or discharge of various acid, alkali and salt solutions, with long service life, low costs and low maintenance costs.
3. Transportation of ore and mud; HDPE pipelines have 4 times the wear resistance of steel pipes, and can be widely used to transport ore, fly ash from power plants, and mud for river dredging.
4. Replacement of cement pipes, cast iron pipes and steel pipes; for the old pipes of cement pipes, cast iron pipes, etc. originally laid in the city, it is possible to directly insert HDPE pipes into the old pipes for replacement without large-scale excavation. The project cost is low , The construction time is short, especially suitable for pipeline transformation in the old city.
5. Landscaping pipe network; Landscaping requires a large number of water pipelines, and HDPE pipes are cheap and worthy of vigorous promotion.
6. Other applications: PE pipes can also be widely used in other fields, such as electric power, communication sheathing, farmland irrigation, siphon drainage, landfill, geothermal air conditioning, deep-sea aquaculture, buried fire-fighting pipelines, etc.
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