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Flexalen 600

High temperature insulated pipe systems for district heating, cooling and special applications

Flexalen 600 is perfect for group, community and district heating networks. The efficiency and strength of its components ensure long-term performance to serve the needs of today and tomorrow.


Easy installation

Flexalen 600’s high and stable performance with the ease and speed of installation, even in the most difficult conditions, is the reason why this pre-insulated pipe product is one of the most popular in the industry.

Thanks to the unique properties of polybutylene pipes and the closed cellular structure of the polyethylene foam, Flexalen 600 is high pressure, temperature and moisture resistant. The safe, fully homogenous pipe and easily welded connections minimise heat losses to ensure a lifetime efficiency of the network.


A sustainable choice

With its Cradle-2-Cradle certification, Flexalen 600 is not only a highly efficient, but also the most sustainable choice for thermal energy distribution. On top of that, all of its components are environmentally friendly and fully recyclable.

The benefits and features of Flexalen 600:

  • High flexibility
  • Suitable for both heating and cooling solutions
  • Potable water certified
  • Safe and secure operation
  • Long lifetime expectancy
  • Available in long lengths on coils
  • Full range of accessories
  • Available in twin or single carrier pipes
  • Several insulation thicknesses available for diverse applications
  • Cradle to Cradle Certified™ Silver
  • 100% recyclable


Pre-Insulated coiled pipes

Our range of flexible pre-insulated coiled pipes:

  • Twin Pipes 25mm – 63mm
  • Single Pipe 25mm – 110mm


Our single coiled pipe has superior flexibility and its lightweight structure makes it super easy to handle on-site.

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  • Flexalen 600 Datasheet
  • Product Range Brochure
  • Flexalen 600 Product Specification Sheet

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Case study

District heating as we understand it has its roots in the early days of the 20th century – but the big difference today is that schemes are not just about lowering consumption cost through efficiency…they’re also increasingly at the forefront of reducing our carbon footprint....more