Polyurethane Foam Insulated FRP Pipe
Features
Excellent thermal insulation, temperature drop of less than 0.5℃ per km.
No scaling, no pollution to the medium.
Easy install with less ground and could be directly buried underground.
Low maintenance cost.
Working more than 30 years.
Scope of Supply
Nominal Diameter [DN]: 25mm – 1000mm
Nominal Pressure [PN]: 0.6Mpa – 2.5Mpa
Medium Temperature: 50℃-100℃
Application
Geothermal water, spa water delivery.
Steam condensate transport.
Heating circulating water delivery.
Oilfield geothermal fluid transfer.
Ventilation system for airport.
Comparing Performance with Steel and Cast Iron
| Property | Polyurethane Foam Insulated FRP Pipe | Steel | Cast Iron |
| Density [g/cm³] | 1.8 | 7.8 | 7.2 |
| Tensile strength of circumferential [MPa] | 200-320 | 390 | 150 |
| Tensile strength of axial [MPa] | 50-120 | 390 | 135 |
| Specific strength | 200 | 61.5 | 20.8 |
| Thermal conductivity [W/(mK)] | 0.355 | 36.51 | 12.9 |
| Absolute roughness [mm] | 0.0053 | 0.08-0.09 |
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