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Irrigation PE pipe: a pipe made primarily from high-density polyethylene (HDPE).

Release Date:

2025-07-30

Irrigation PE pipes are pipe products made primarily from high-density polyethylene (HDPE) and are widely used in agricultural irrigation, urban water supply, gas transmission, and other applications. Their key characteristics, manufacturing processes, application scenarios, and advantages are as follows:

Irrigation PE pipes are pipe products made primarily from high-density polyethylene (HDPE) and are widely used in agricultural irrigation, urban water supply, gas transmission, and other fields. Their core characteristics, manufacturing processes, application scenarios, and advantages are as follows: ：

I. Core Features

  1. Chemical resistance
    HDPE material exhibits excellent resistance to acids, alkalis, salts, and other chemical substances, thereby eliminating the corrosion issues associated with traditional metal piping in specific environments and extending service life.

  2. High impact resistance
    Medium- to high-molecular-weight HDPE pipes maintain excellent toughness at ambient temperatures and even in low-temperature environments as low as −40°C, making them well suited for complex terrains and extreme weather conditions.

  3. Eco-friendly and recyclable
    HDPE is recyclable, and recycled HDPE is primarily used to manufacture non-food-contact packaging containers, aligning with the trend of sustainable agricultural development.

  4. Lightweight and easy to install
    Compared with metal piping, PE pipes are lightweight and highly flexible, making them easier to handle and install. This reduces the need for trench excavation and the quantity of fittings required, thereby lowering overall project costs.

  5. Long lifespan
    Under normal operating conditions, PE irrigation pipes can last up to 50 years, reducing long-term maintenance and replacement costs.

II. Production Processes and Classification

  1. Production process
    • Raw Material Selection : Produced using high-density polyethylene (HDPE) resin via slurry polymerization or gas-phase processing.
    • Molecular weight control : Adjust the molecular weight distribution using catalysts and hydrogen to optimize mechanical strength and processing performance.
    • Finished Product Handling : Add antioxidants, carbon black, and other additives to enhance performance and meet the demands of outdoor environments.
  2. Main Categories
    • By purpose : Water supply pipes, gas pipes, silicon-core pipes, double-wall corrugated pipes, etc.
    • By pressure rating : PE80 (required strength of 8 MPa) and PE100 (10 MPa), suitable for different pressure applications.
    • By structure : Solid-wall pipes, corrugated pipes, coil pipes, and more, meeting diverse irrigation needs such as drip irrigation and sprinkler irrigation.

III. Application Scenarios

  1. Farmland Irrigation
    • Drip irrigation system : PE coils exhibit excellent flexibility, are easy to coil, adapt readily to terrain variations, and minimize head loss.
    • Sprinkler irrigation system : High-pressure PE pipes convey water, irrigating large areas of farmland and enhancing irrigation efficiency.
    • Water-saving advantages : Pipeline water conveyance results in minimal seepage and evaporation losses, saving more than 30% of water compared with open-channel irrigation.

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Ground-Inserted Micro Sprinklers: A Solution for Irrigation

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Introduction to the Core Advantages of Suspended Micro Sprinklers

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Ground-Inserted Micro Sprinklers: A Solution for Irrigation

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