Highly flexible pre-insulated ducting system consisting of the main supply and recycling pipes in a single conduit, mainly used for carrying hot water for sanitation, drinking water and other fluids in buried networks.
The twin sanitation pipes make it possible to supply the hot sanitation water and close the loop, thereby limiting water wastage, especially when the drawing point is a long way from the production source.
The coolant pipe is made of white PER-a reticular polyethylene while the heat insulation comprises several layers of closed cell reticular microcellular polyethylene foam that is completely impermeable to water and is characterised by its durability, constancy of insulation value over time and permanent elasticity. These properties ensure that the thickness of the insulation is maximised and maintained, even after repeated bending.
The black UV-resistant double wall corrugated HDPE protects the pre-insulated pipework against impacts and water infiltration whilst maintaining maximum system flexibility.


  • Designed in accordance with European standard EN 15632-1&3
  • ACS (Certificate of Sanitary Conformity)
  • PER insulating foam: Water absorption less than 1% according to ISO 2896
  • CFC-free manufacture

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