PE solid wall pipe water supply and drainage fire protection wiring pipeline underground pipe network renovation

PE pipe, fully known as polyethylene pipe, is a type of piping material made from polyethylene resin, characterized by high flexibility and wear resistance. The following is a detailed introduction to PE pipes:
I. Material Classification
Based on the materials used, PE pipes are mainly divided into the following categories:
HDPE pipe: Made from high-density polyethylene (HDPE), it offers advantages such as stable and reliable joints, impact resistance, crack resistance, aging resistance, corrosion resistance, and cost-effectiveness. It is primarily used in municipal and building water supply systems, water treatment engineering pipeline systems, garden irrigation, and industrial water pipes in other fields.
PE-RT pipe: A new type of high-temperature-resistant, non-crosslinked polyethylene pipe that retains the low-temperature resistance of polyethylene while improving its creep resistance and strength under high-temperature conditions. It has good flexibility and thermal conductivity, is easy to process, recyclable, and weldable. It is suitable for cold and hot water pipeline systems in civil buildings, industrial heat medium transportation systems, and floor radiant heating systems.
PE-X pipe: Also known as crosslinked polyethylene pipe, it is made from polyethylene material. Crosslinking alters the structure of polyethylene, enhancing its heat resistance and creep resistance. Crosslinked polyethylene is not thermoplastic and cannot be connected by heat fusion. It can be used as indoor water supply pipes, heating pipes, and pipelines for petrochemical transportation.
II. Characteristics and Advantages
PE pipes possess various excellent properties and advantages, including:
Excellent corrosion resistance: Except for a few strong oxidizing agents, PE pipes can resist erosion and corrosion from many chemical media.
Convenient installation and transportation: PE pipes are lightweight yet exhibit excellent strength, making installation and transportation easier and reducing the complexity and cost of engineering construction.
Good toughness and impact resistance: Even under heavy pressure, the pipes do not crack and can bend to a certain extent, making them suitable for various complex environments.
Good wear and pressure resistance: They can withstand water pressure and the冲刷 of particles, reducing the frequency of pipeline maintenance and repairs.
Environmentally friendly and energy-saving: PE pipes are an environmentally friendly material that does not release harmful substances and causes no pollution to the environment. Compared to other piping materials, the production process of PE pipes consumes less energy, emits fewer carbon emissions, and has a smaller environmental impact.
Long service life: Under normal usage conditions, the service life of PE pipes can exceed 50 years.
III. Specifications and Classification
PE pipes are primarily classified based on pressure ratings into 0.6MPa, 0.8MPa, 1.0MPa, 1.25MPa, and 1.6MPa. Additionally, PE pipes are categorized by wall thickness into SDR11 and SDR17.6 series. The former is suitable for transporting gaseous manufactured gas, natural gas, and liquefied petroleum gas, while the latter is mainly used for transporting natural gas.
IV. Application Areas
PE pipes have a wide range of applications, including municipal and building water supply and drainage, gas transportation, cable and wire conduits, agricultural machinery water-saving irrigation, industrial production sewage discharge, and mining transportation, among other industries. Particularly in the fields of water supply and gas pipes, PE pipes have become one of the primary piping materials.
V. Precautions
When selecting and using PE pipes, the following points should be noted:
Material selection: PE pipes produced by正规, professional manufacturers should be chosen to avoid using pipes made from inferior materials, which could lead to rework losses.
Connection method: Connections between PE pipes should be made using electrofusion to ensure that the joint strength is higher than that of the pipe itself.
Construction precautions: During construction, attention should be paid to the safe distance for thermal heating, and pipes should not be exposed to sunlight or air. Additionally, they are sensitive to chemicals, and measures should be taken to prevent leaks in sewage pipelines from causing harm.
In summary, PE pipes possess various excellent properties and advantages and are widely used in multiple industries. When selecting and using them, attention should be paid to aspects such as material quality, connection methods, and construction precautions to ensure the safety, reliability, and long-term use of the pipes.