Polyurethane insulated steel pipe
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Polyurethane (PU) insulated steel pipes offer high efficiency insulation, waterproof and anticorrosion properties, and a long lifespan. They are specifically designed for central heating, petrochemical, refrigeration, and urban pipeline networks, providing energy-efficient, safe, and environmentally friendly integrated solutions for heat and refrigerant transportation. This helps customers reduce energy consumption and improve system operating efficiency.
Product name：
National standard grade
Material：
Nicrofer5621hMow
Warehouse：
Tianjin
Surface treatment：
Keyword：
Polyurethane insulated steel pipe
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Details description
Core Product Advantages
Superior Insulation Performance
Polyurethane rigid foam insulation layer (density ≥60kg/m³), thermal conductivity ≤0.033W/(m·K), closed-cell rate ≥90%, effectively reducing heat and cold loss, and improving energy efficiency by 30%-50% compared to traditional insulation materials.
Triple Protection Structure
Working pipe: Seamless/welded steel pipe (material optional 20#, 304, L245, etc.), pressure resistance ≥2.5MPa;
Insulation layer: High-pressure foaming molding, thickness 30-100mm, suitable for -50℃ to 140℃ operating conditions;
Outer protective layer: High-density polyethylene (HDPE) or fiberglass reinforced plastic (FRP), UV resistant, acid and alkali resistant, and resistant to mechanical damage.
Extra-Long Service Life
Fully sealed waterproof structure, resistant to soil corrosion and freeze-thaw cycles, underground service life ≥30 years, and virtually zero maintenance cost.
Convenient and Efficient Installation
Pre-fabricated direct burial design, supporting "pipe-in-pipe" modular installation, reducing on-site welding, and shortening construction time by 40%.
Application Areas
Central heating: Urban heating primary and secondary network pipelines, and heat station branch pipelines.
Petrochemical industry: High-temperature crude oil pipelines and chemical medium insulated pipelines.
Refrigeration engineering: Cold chain logistics pipelines and central air conditioning refrigerant pipelines.
Municipal engineering: Hot spring water pipelines, regional cooling networks, and ground source heat pump systems.
Industrial energy saving: Waste heat recovery pipelines, steam tracing networks, and industrial equipment insulated pipelines.
Technology and Quality Assurance
International Standard Process:
Using "one-step" or "pipe-in-pipe" forming technology, conforming to CJ/T 114, EN 253, GB/T 29047 and other standards, with precise control of insulation layer density and thickness.
Strict Testing System:
Closed-cell rate testing (≥90%), spark testing (≥15kV without breakdown), and compressive strength testing (≥200kPa) to ensure stable performance throughout the entire life cycle.
Environmental Protection and Energy Saving Certification:
Polyurethane material without CFC blowing agent, conforming to RoHS environmental protection standards; HDPE outer protective layer is recyclable, green and low-carbon.
Customized Service:
Supports DN50-DN1200 diameter customization, and insulation layer thickness and outer protective layer material (HDPE/FRP/steel-clad steel) can be flexibly adapted to extreme environmental requirements.
Fast Delivery Capability:
Automated production line + tens of thousands of tons of raw material reserves, 72-hour response to urgent orders, and support for full-process technical guidance and after-sales maintenance.
Quan Ge Pipe Industry——Using "temperature" as a shield to protect the energy arteries!
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Application fields
Petrochemicals
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