Casaflex Pre-Insulated Stainless Steel Pipe

Casaflex Pre-Insulated Stainless Steel Pipe View Large Image

CASAFLEX is a bonded pre-insulated, self-compensating and flexible piping system suitable to transport medium temperature hot water from a heat source underground losing minimal heat.

CASAFLEX is ideal for use in small to medium sized district and local heating networks, in industrial and agricultural applications, solar collector fields and swimming pool installations.

 CASAFLEX has a corrugated carrier pipe made of stainless steel. The design of the corrugated pipe takes account of factors related to fluid dynamics. The thermal insulation is positioned below the PE LD casing pipe and consists of a CFC-free, flexible PIR rigid foam (polyisocyanurate foam) with excellent heat insulation properties; a barrier film to impede diffusion of the cellular gases.



  • Uno DN 20-100 (¾” – 4”)
  • Duo DN 20-50 (¾ - 2”)
  • Excellent lambda value on the market 0.025W/mK
  • Self-compensating pipe system (no need for special expansion measures)
  • Insulation: PIR foam
  • Leak detection monitoring as standard
  • Carrier pipe: Corrugated stainless steel
  • No water ingress with 97% closed cell structure
  • Operating temperature: up to 180°C
  • Operating pressure: PN 16/25
  • Applications: District heating networks, hot water supply and solar fields 

The bending capability of CASAFLEX district heating pipe ensures easy adaptation to virtually all pipe routing conditions. It is possible to pass over or under existing supply pipes, and obstacles are easily bypassed. With CASAFLEX, users can choose the shortest pipe route without considering the classical method of pipe construction. CASAFLEX is delivered to the site in coils or on drums in the required lengths. The pipe can generally be laid in the ground without joints. This means that the pipe trench can be considerably narrower. This in turn allows considerable savings on underground work,

 When one considers the very short time required for installation, CASAFLEX district heating pipe is not only a technically perfect solution but also the key to saving time and expense when setting up district heating networks. Less coordination is required on site and the pipes are laid simply and quickly. The physical characteristics of the corrugated carrier pipe enable it to be laid without having to consider thermal expansion. Fitting the connectors is a very simple procedure. The connections are fitted quickly and securelywith simple components.

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