Double-wall stainless steel flexible pipes

Double-wall stainless steel flexible pipes

The double-wall stainless steel flexible pipes are used for connecting liquid or solid fuel boilers or fireplaces to chimney systems, as well as for chimney systems lining that cannot be repaired through inside.


  • Inner diameter: 80/100/120/130/150/160/180/200
  • Length: 1m/2m/10m/20m


Because of the double-wall structure:

  • The only type of stainless steel flexible pipes accepted according to the standards for gas exhaust
  • Ideal for connecting boilers to the chimney system
  • More resistant to breakage, external aggression and corrosion
  • Much easier to clean and maintain
  • They ensure a better combustion gas flow
  • Working temperature: 450 ° C (withstands up to 1000 ° C)


Pipe typeFlexibil
MaterialSmooth 304 / 316 L stainless steel interior
Corrugated 304 / 316 L stainless steel exterior
Thickness2 x 0.1mm
Jointing typeOmega-type double helical joint
Operating temperature450°C (max. temp. 1000°C)
Max. operating pressure1000 Pa
Protection classNon flammable
CertificationsCE EN 1856-2; ISO 9001:2015
Warranty10 years
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