Insulated Steel Pipe is a high-performance piping solution designed for the safe and efficient transportation of hot, cold, and temperature-sensitive fluids. It combines a strong steel service pipe with a thermal insulation layer and protective outer jacket to minimize heat loss or heat gain. With excellent mechanical strength, thermal insulation, and environmental resistance, it is widely used in heating, cooling, energy, oil and gas, and industrial piping systems.
Product Advantages
Insulated Steel Pipe provides excellent thermal efficiency and helps maintain a stable fluid temperature during transportation. By reducing heat loss in hot-fluid systems and preventing external heat from entering cold-fluid systems, it can improve overall energy efficiency and reduce operating costs. The steel pipe offers high strength, pressure resistance, and reliable performance under demanding conditions. The protective outer layer also helps prevent moisture penetration, corrosion, impact, and environmental damage, extending the service life of the pipeline system.
Material Name | Specification Model |
Directly buried prefabricated insulation pipe | Φ 273x7/Φ 384x5.6/Outer sheath yellow Q235B、GB/T29047-2012/GB/T3091-2015 |
Directly buried prefabricated insulation pipe | Φ 273x7/Φ 365x5.6/Outer sheath black Q235B、GB/T29047-2012/GB/T3091-2015 |
Plastic sheathed steel buried insulation pipe | Plastic sheathed steel buried insulation pipe/Ø 219 × 7/Ø 315 × 4.9 |
Prefabricated buried insulation pipe (black) | Φ159×6/Φ250×3.9 |
Prefabricated insulation pipe with plastic sleeve steel (black polyethylene sheath) | Ф133*5/Ф215*3.5，20# |
Prefabricated insulation pipe (wrapped in black polyethylene sheath) | Prefabricated insulation pipe (wrapped in black polyethylene sheath)/Φ 108 * 4.5/Φ 190 * 3 |
Product Features
The pipe generally consists of a steel service pipe, thermal insulation material, and protective outer casing. Common insulation materials include polyurethane (PU) foam, mineral wool, and other specialized insulating materials. It can be manufactured in different pipe diameters, wall thicknesses, insulation thicknesses, and lengths to meet specific project requirements. Insulated Steel Pipe supports various connection methods and can be customized according to operating temperature, pressure, installation conditions, and application environment. Its compact structure, reliable insulation performance, and durable construction make it suitable for both underground and above-ground applications.
Product Applications
Insulated Steel Pipe is widely used in district heating networks, hot-water supply systems, steam pipelines, chilled-water systems, oil and gas transportation, chemical processing plants, power generation facilities, and industrial production lines. It is particularly suitable for applications where temperature control, energy conservation, and long-term pipeline reliability are important. With customizable specifications and dependable performance, it provides an efficient solution for modern thermal and industrial fluid transportation systems.
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