Flexalen 600
Flexible double and single pipe solutions
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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.
Select a product family
Flexalen 1000+
Multi pipe systems for multifunctional solutions
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Flexalen PU
High performance, flexible pre-insulated system
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Flexalen SL
Straight Lengths for high volume networks
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Prefabricated networks
Reliable networks in record time
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Carrier Pipes
PB-1 for flexibility, reliability and long-term performance
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Tools & Accessories Pre-insulated Pipes
For easy, fast and reliable network 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 Product Guide | 4623 KB | Preview | Download | |||
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The Flexalen Product Guide offers all system, application & technical specifications for all Flexalen product ranges. |
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| Successful in the past - prepared for the future (PBPSA) | 1619 KB | Preview | Download | |||
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This brochure is giving an introduction to Polybutene including a review of the performance of Polybutene pressure piping systems in meeting the needs of sustainable building regulations. |
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| 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+, Straight 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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Technical Datasheets
| Pre-insulated pipe - Flexalen 600 Heating/Cooling | 278 KB | Preview | Download | ||
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| Pre-insulated pipe - Flexalen 600 Water | 240 KB | Preview | Download | ||
| Pre-insulated pipe - Flexalen 600 FP | 300 KB | Preview | Download | ||
| Pre-insulated pipe - Flexalen Multiline | 226 KB | Preview | Download | ||
| Pre-insulated pipe - Flexalen PU | 552 KB | Preview | Download |
Safety Data Sheets
| Flexalen: PE Cleaner Tissues | 220 KB | Preview | Download | ||
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| Flexalen: PE Cleaner 1L | 222 KB | Preview | Download | ||
| Flexalen: 2k PUR foam components (insulation coupler) | 340 KB | Preview | Download |
Environmental Certifications
| Flexalen 600 - Cradle to Cradle Silver Material Health Certificate | 158 KB | Preview | Download |
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Others
| REACH Declaration | 348 KB | Preview | Download | |||
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We fully commit ourselves to the protection of human health and environment. We take that responsibility seriously, so that also goes for the materials that we use in our production. All Thermaflex components are REACH compliant: risk-free and safe to use under any conditions in conformity with the Registration, Evaluation, Authorisation and Restriction of Chemicals by EU regulation. |
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