1. The PE pipes for water supply are a replacement for traditional steel pipes and PVC drinking water pipes.
Water supply pipes must withstand certain pressures and typically require high molecular weight, mechanically strong PE resins, such as HDPE resin. LDPE resin has low tensile strength, poor pressure resistance, low rigidity, poor dimensional stability during processing, and is difficult to connect, making it unsuitable as a material for pressure pipes. However, due to its high sanitary standards, LDPE, especially LLDPE resin, has become a commonly used material for producing drinking water pipes. LDPE and LLDPE resins have low melt viscosity, good flowability, and ease of processing, therefore, the selection range of their melt flow index is also broad, typically with MI ranging from 0.3 to 3g/10min.

Xunteng Pipes

2. Performance Characteristics:
A good pipeline should not only have good economic benefits but also possess a series of advantages such as stable and reliable joints, impact resistance, crack resistance, aging resistance, and corrosion resistance. Compared to traditional pipes, HDPE pipe systems have the following advantages:
1. Reliable connections: The polyethylene pipe systems are connected using electric fusion methods, and the strength of the joints is higher than that of the pipe body.
2. Good low-temperature impact resistance: The brittle temperature of polyethylene is very low, allowing safe use within the temperature range of -60 to 60℃. During winter construction, the material's good impact resistance prevents pipe brittleness.
3. Good stress crack resistance: HDPE has low notch sensitivity, high shear strength, and excellent scratch resistance, making its environmental stress crack resistance outstanding.
4. Good chemical corrosion resistance: HDPE pipes can resist corrosion from various chemical media, and the chemicals present in the soil do not degrade the pipes. Polyethylene is an electrical insulator, so it does not rot, rust, or undergo electrochemical corrosion; moreover, it does not promote the growth of algae, bacteria, or fungi.
5. Aging resistance and long service life: Polyethylene pipes containing 2-2.5% uniformly distributed carbon black can be stored or used outdoors for 50 years without damage from ultraviolet radiation.
6. Good wear resistance: Comparative tests show that the wear resistance of HDPE pipes is four times that of steel pipes. In the field of slurry transport, HDPE pipes exhibit superior wear resistance compared to steel pipes, which means HDPE pipes have a longer service life and better economic efficiency.
7. Good flexibility: The flexibility of HDPE pipes allows them to be easily bent, enabling engineers to navigate around obstacles by changing the pipe's direction. In many cases, the flexibility of the pipes can reduce the amount of fittings used and lower installation costs.
8. Low flow resistance: HDPE pipes have a smooth inner surface with a Manning's coefficient of 0.009. The smooth performance and non-adhesive properties ensure that HDPE pipes have higher transport capacity than traditional pipes, while also reducing pressure loss and water transport energy consumption.
9. Easy handling: HDPE pipes are lighter than concrete pipes, galvanized pipes, and steel pipes, making them easy to transport and install. This translates to lower manpower and equipment requirements, significantly reducing installation costs for projects.
10. Multiple new construction methods: HDPE pipes offer various construction technologies. In addition to traditional excavation methods, they can also utilize various new trenchless technologies such as pipe jacking, directional drilling, relining, and pipe bursting, making them suitable for locations where excavation is not allowed. Therefore, the application field of HDPE pipes is broader.

Shandong Xunteng Plastic Industry Co., Ltd. is one of the largest PE pipe and fitting production bases in China. It is one of the few large manufacturing and processing enterprises in the country capable of producing various models of PE water supply pipes, PE gas pipes, and PE mining pipes, as well as self-matching production of PE water supply fittings, PE gas fittings, and PE mining fittings. It is also the only manufacturer in northern China capable of producing large diameter PE fittings ranging from 800mm to 1800mm, with competitive prices nationwide! Welcome to inquire and negotiate, contact number: 18954962733 Landline: 0539-8635528