Polyurethane insulation pipes have the core advantages of excellent insulation performance, strong durability, and low comprehensive cost, and are currently the mainstream insulation pipes for centralized heating and industrial medium transportation scenarios.

Ultimate insulation and energy saving

Extremely low thermal conductivity: the core insulation layer is polyurethane rigid foam, with a thermal conductivity of only 0.017-0.022 W/m · K, which is far superior to traditional insulation materials, and the heat loss is only about 25% of that of ordinary uninsulated pipes.

Ultra low heat loss: The overall heat loss of the pipeline network can be controlled within 2%, far below the international standard of 10%. The temperature drop during long-distance transportation is minimal, which can significantly reduce the fuel and operating energy consumption for heating/cooling.

High closed cell temperature locking structure: The closed cell rate is generally ≥ 90%, and some products can reach 97%. The internal dense closed pores completely block the three heat transfer paths of heat conduction, convection, and radiation, and the insulation effect is long-lasting and stable.

Waterproof, anti-corrosion, and anti manufacturing

Excellent waterproof and moisture-proof ability: The high closed cell structure has an extremely low water absorption rate of about 0.2kg/m2, completely avoiding insulation failure caused by moisture entering the insulation layer, and eliminating the problem of traditional trench laying pipelines "wearing wet cotton jackets".

Composite anti-corrosion system: The three-layer integrated structure completely isolates air and water vapor, and the high-density polyethylene outer protective pipe can resist the erosion of soil acidity, alkalinity, and microorganisms. The working steel pipe will hardly undergo electrochemical corrosion.

Suitable for complex working conditions: The applicable temperature range covers -50 ℃~150 ℃, and some modified products can be extended to -70 ℃~120 ℃. After direct burial, it can adapt to complex underground environments such as foundation settlement and low-temperature frozen soil.

⏳ Long service life

Design lifespan exceeding 50 years: Under standard installation and normal operation and maintenance conditions, the service life can reach more than 50 years, which is 3-4 times longer than the service life of traditional trench/overhead insulation pipelines.

Full cycle maintenance free: The overall structure is sturdy and reliable, and after correct installation, there is almost no need for large-scale maintenance in the later stage, greatly reducing the labor and material costs of long-term operation and maintenance of the pipeline network.

Strong impact and compression resistance: The composite structure of "steel pipe+insulation layer+outer protective pipe" has a high overall compressive strength and can withstand conventional ground loads and soil pressure. It is not easily damaged during transportation and construction.

Outstanding comprehensive benefits

Reduce project cost: Compared with traditional trench laying schemes, it can reduce project cost by about 10% to 25%, significantly saving material and labor costs for pipe trench masonry.

Double construction efficiency: Direct burial laying does not require the construction of large pipe trenches, reduces earthwork excavation by more than 50%, reduces civil concrete usage by 90%, only requires interface treatment on site, and the overall construction period can be shortened by more than 50%.

Safety monitoring: Leakage alarm lines can be installed as needed, which can accurately locate the location and degree of pipeline leakage, identify hidden dangers in advance, and ensure the long-term safe operation of the pipeline network.

Shandong Huaneng Insulation Materials Co., Ltd. is a pipeline insulation manufacturer in Linyi. As an integrated insulation and decoration manufacturer in Shandong, our main products include integrated insulation and decoration, pipeline insulation, exterior wall insulation materials, extruded polystyrene board, thermosetting polystyrene board, and rubber insulation. If you need it, you can contact us by phone.

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