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Underground

Flexible solutions for generations to come
Underground
Underground
Underground
Underground
Underground
Underground
Underground
Underground

The human right to housing is more than 4 walls and a roof. It is also the right of protection from cold and heat, now and in the future. Heating, cooling, domestic and potable water should be available anytime, anywhere. At the heart of that protection lies an efficient underground distribution system. But how can we secure a reliable and efficient supply to maximize our use of energy at minimal financial, environmental and infrastructural cost?

Safety first – for people, and environment!

Installing new pipelines in congested ground conditions can be a difficult challenge for designers and installers. There is a lot of pressure to do this quickly, yet effectively, with minimal disruptions to surroundings and building structures. Regulations also increasingly require these installations to be durable.

The good news is; we can help! Together with leading energy and water suppliers we have developed flexible maintenance-free solutions that are safe and sustainable, yet fast to implement, ensuring an efficient supply for generations to come. We tailor our solutions to all needs and conditions; space restrictions and difficult ground conditions are our bread and butter!

We co-operate with traditional owners as well as new investors to implement fast, reliable and sustainable network solutions for all types of projects with minimal disturbance and optimal benefits for our stakeholders.

Sustainability is key

That's our ambition. A durable design to secure valuable living for now and generations to come is the reason why. We hold ourselves responsible for the future and strive for a circular economy - our systems are perfectly attuned to those values.

We know how

We have over 30 years of experience implementing our systems in all types of conditions, each with its own challenges. As we keep close to our stakeholders, it gives us the opportunity to understand the real challenges that need to be solved.

Take a hotel resort that wants to ensure the best satisfaction for their guests. That requires an infrastructure that works safely under all different load conditions, for both heating and cooling. A hospital has to provide the highest health standards in their systems - at all times. A city needs reliable  heating in harsh winters to keep its citizens alive.

We are faced with these crucial challenges everywhere around the world. 

Ask our specialists how we can answer to your needs. With our full support in every step of the way, from engineering to the final pressure tests, we make sure you realize your goals.

Underground Solutions for Heating & Cooling, Hot & Cold potable water

Thermaflex FLEXALEN
Flexible, pre-insulated piping system, with PB-1 medium pipes, Polyolefin insulation and Polyethylene outer casing – completely recyclable.

Temperature range: -10°C to +95°C
Pressure ranges:

  • 8 - 16 bar (depending on operating temperature) until d110
  • 5 - 10 bar (depending on operating temperature) until d225


Dimension range: d16 – d225 (DN12 – DN200)
Pipe length: up to 300m for coiled material (d16 – d125)
6 or 12 m for semi flexible sticks (d50 – d225)
Certification: KIWA, CSTB, DVGW, GHOST
Standard reference: EN 15632, CSTB, DVGW, BRL, GHOST

Fittings: PB-1 fittings for electro fusion, socket- and butt fusion
Transition fittings: Available to connect to all standard types of materials, valves and other components
Prefabrications: Tailor made prefabrications for branches, elbows etc

Articles

  New ‘Slimnet’ for 4,000 homes is blueprint for the future PDF 562 KB Preview Download Mail

Purmerend’s district heating resurrection at steep returns: In September 2015, the multiannual renovation project for 4,000 homes concluded for the city of Purmerend, the Netherlands. The cooperation between Thermaflex and local district heating company Stadsverwarming Purmerend saw the successful end of SVP’s ‘SlimNet’ program, aimed at reviving Purmerend’s deteriorated district heating network. Read the full article here.

  EuroHeat&Power: Optimized heating and cooling systems PDF 270 KB Preview Download Mail

New economic connection solution for flexible piping: optimized heating and cooling systems for low energy housing developments. 

(EuroHeat&Power Magazine, English Edition, Feb. 2013)

  EuroHeat&Power: Innovative concept with flexible pipes PDF 435 KB Preview Download Mail

Innovative Concept with flexible pipes: 

New Record: 1,5 hours for ten house connections.

(EuroHeat&Power Magazine, English Edition, Nov. 2014)

Brochures Catalogues

  Flexalen Product Guide PDF 4623 KB Preview Download Mail

The Flexalen Product Guide offers all system, application & technical specifications for all Flexalen product ranges.

  Successful in the past - prepared for the future (PBPSA) PDF 1619 KB Preview Download Mail

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.

  Flexalen - No1 choice for specifiers around the world PDF 817 KB Preview Download Mail

Why is Flexalen the No1 choice for specifiers around the world?

Technical Datasheets

  Pre-insulated pipe - Flexalen 600 Heating PDF 324 KB Preview Download Mail
  Pre-insulated pipe - Flexalen 600 Water PDF 240 KB Preview Download Mail
  Pre-insulated pipe - Flexalen 600 FP PDF 300 KB Preview Download Mail
  Pre-insulated pipe - Flexalen Multiline PDF 226 KB Preview Download Mail
  Pre-insulated pipe - Flexalen PU PDF 552 KB Preview Download Mail
  Drukverliezen PB-leidingen PDF 44 KB Preview Download Mail

Drukverliezen PB-leidingen

Environmental Certifications

  What is an EPD? PDF 421 KB Preview Download Mail

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