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PU Foam Insulated Pipe industrial pipe flanges manufacturer
Steel Pipes

Труба с пенополиуретановой изоляцией

PU foam insulated pipes are factory-prefabricated bonded piping systems consisting of a steel carrier pipe, rigid polyurethane (PU) foam insulation, and a high-density polyethylene (HDPE) outer jacket. The three-layer bonded construction ensures that the carrier pipe, insulation, and jacket act as a single composite unit, accommodating thermal expansion and contraction without separation.

Manufactured in accordance with CJ/T114 and EN 253 standards, our pre-insulated pipes achieve thermal conductivity values as low as 0.027 W/m\u00b7K, delivering exceptional energy efficiency for district heating networks. The system includes leak detection wires embedded in the insulation for continuous monitoring of pipe integrity. Available in standard and reinforced insulation thicknesses for operating temperatures up to 140\u00b0C continuous and 150\u00b0C peak.

Standard

CJ/T114 / EN 253

Material

Steel + PU + HDPE

Size Range

DN20-DN1200

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Применение

  • District heating and cooling networks
  • Geothermal energy transmission
  • Industrial steam and condensate lines
  • Chilled water distribution
  • Oil and chemical product temperature maintenance

Контроль качества

All PU Foam Insulated Pipe products undergo NDT testing with MTC per EN 10204 3.1. Third-party inspection by SGS, BV, TUV available.