Flexalen 600
The flexible solution for timeless efficiency
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Pre-insulated Pipes
Smart networks for decades of service
For decades, we’ve worked closely together with engineers, municipalities, contractors, and installers to drive continuous innovation in the development of our district heating and cooling systems. Today, our pre-insulated pipe systems go above and beyond industry standards in ensuring reliability, durable performance, simplicity, and speed of installation.
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Network solutions for any challenge
We offer a complete range of flexible pre-insulated pipes ideal for district heating, cooling, and potable water applications in renovation, newbuild or retrofit projects. All our network solutions are fully adaptable to local circumstances and future needs. From single take-away box solutions for A to B connections to complete prefabricated district heating and cooling networks on coil.
Discover our range of pre-insulated pipe systems:
- Flexalen 600: Cradle to Cradle Certified™ Silver, and the most popular choice
- Flexalen SL semi-rigid pipes for high volume networks
- Flexalen 1000+ multi-pipe system for absolute freedom in network design
- Tailor-made prefabrications combining optimal reliability and installation speed
- Complete range of tools and accessories to facilitate system installation
Why choose Thermaflex pre-insulated pipes?
- Quick and easy installation
- High energy efficiency
- Consistent performance over time
- Extended lifetime
- Fully and homogeneously weldable for increased reliability
- Non-corrodible
- Modern high-end materials
- Technical benefits of Polybutene (PB-1)
- High ecological value
- Extensive installation support: integrated network design, calculation tools, training and on-site support
Downloads
Articles
| EuroHeat&Power: Optimized heating and cooling systems | 270 KB | Preview | Download | |||
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New economic connection solution for flexible piping: optimized heating and cooling systems for low energy housing developments. (EuroHeat&Power Magazine, English Edition, Feb. 2013) |
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| EuroHeat&Power: Innovative concept with flexible pipes | 435 KB | Preview | Download | |||
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Innovative Concept with flexible pipes: New Record: 1,5 hours for ten house connections. (EuroHeat&Power Magazine, English Edition, Nov. 2014) |
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Brochures Catalogues
| Flexalen - No1 choice for specifiers around the world | 817 KB | Preview | Download | |||
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Why is Flexalen the No1 choice for specifiers around the world? |
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Installation Manuals
| Flexalen instruction: Laying instruction | 1936 KB | Preview | Download | |||
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Laying instruction for Flexalen 600, Flexalen 1000+, Stright lenghts and Flexalen Solar. |
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| Flexalen instruction: Pressure testing | 162 KB | Preview | Download | |||
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Pressure testing and pressure test protocol. |
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Safety Data Sheets
| Flexalen: Corrugated tubes | 133 KB | Preview | Download | |||
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Safety data sheet: Flexalen corrugated tubes. |
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| Flexalen: Foam | 136 KB | Preview | Download | |||
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Material safety data sheet: Flexalen foam |
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White Papers
| Flexalen: Acoustic properties | 29 KB | Preview | Download | |||
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Acoustic properties Polybutene. |
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| Flexalen: Creep resistance | 23 KB | Preview | Download | |||
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Creep resistance Polybutene. |
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| Flexalen: Dimensions Plumbing Pipes | 25 KB | Preview | Download | |||
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Dimensions plumbing pipes |
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| Flexalen: Expansion compensation | 420 KB | Preview | Download | |||
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Expansion compensation. |
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| Flexalen: Fire behaviour | 18 KB | Preview | Download | |||
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Fire behaviour of Polybutene. |
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| Flexalen: Flexural Elastic Modulus | 28 KB | Preview | Download | |||
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Flexural Elastic Modulus of Polybutene. |
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| Flexalen: Heat conductivity | 40 KB | Preview | Download | |||
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Insulation value - heat conductivity of Polybutene. |
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| Flexalen: Heat conductivity plastics | 28 KB | Preview | Download | |||
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Heat conductivity comparision Polybutene to other plastics. |
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| Flexalen: Oxygen permeation resistance | 32 KB | Preview | Download | |||
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Oxygen permeation resistance |
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| Flexalen: Temperature pressure | 48 KB | Preview | Download | |||
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Temperature - pressure - resistance of Polybutene. |
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| Flexalen: Thermal expansion | 29 KB | Preview | Download | |||
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Thermal expansion. |
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| Flexalen: Water hammer resistance | 65 KB | Preview | Download | |||
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Water hammer resistance. |
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| Flexalen: Wet abrasion resistance | 80 KB | Preview | Download | |||
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Wet abrasion resistance. |
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Certificates
| Determination of the resistance to internal pressure at a constant temperature - PB pipes grey | 112 KB | Preview | Download | |||
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Determination of the resistance to internal pressure at a constant temperature according to BRL K17401 - PB pipes grey |
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| Determination of influence of heating at 110 degrees - PB pipes grey | 104 KB | Preview | Download | |||
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Determination of influence of heating at 110 degrees according to DVGW W544 - PB pipes |
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| KTW organoleptic test certificate - Flexalen, PB pipes - Size group 1 | 221 KB | Preview | Download | |||
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KTW organoleptic test certificate for drinking water purposes - Flexalen, PB pipes - Size group 1 |
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| KWR Biofilm cultivation test certificate - PB pipes | 577 KB | Preview | Download | |||
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KWR Biofilm cultivation test certificate - PB pipes |
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| Temperature cycling test certificate - Flexalen | 1536 KB | Preview | Download | |||
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Temperature cycling test certificate according to EN 12293 - Flexalen |
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| Determination of influence of heating at 110 degrees - PB pipes | 103 KB | Preview | Download | |||
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Determination of influence of heating at 110 degrees according to DVGW W544 |
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