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FuranFlex RWV

BBA RWV CertificateA FuranFlex® RWV holds local certification in many countries in Europe.

Technical Data

Certification operating temperature (varies by country) 450 °C
EN 1443 T450 N1 D 3 G
Fire classification A2 s1 d0
30 minute heat resistance 1000 °C
Fuel wood / pellet
Diameter 100 – 1200 mm
Length 3 – 80 m
Maximum declination angle 30°
Wall thickness 4,5 mm
Density 1,9 g/cm3
Tensile strength 145 N/mm2
Corrosion resistance 3 – 10 pH
Cold resistance -50 °C


FF RWV guaranteeKompozitor Kft. (further referred to as Manufacturer) provides to undertake 10 years of guarantee for the FuranFlex® RWV liner tubes.

Guarantee conditions:

  • Application according to the ETA-regulations (permit number: 12/0346) meeting the local building and construction industrial regulations.
  • The contractors shall have the certificate issued by the Manufacturer verifying due knowledge and competence regarding the FuranFlex® technology.
  • The installation of FuranFlex® has been carried out using the tools and equipment approved by the Manufacturer (see technology description).
  • Existence of the duly Bill of Guarantee issued by the Manufacturer.
  • Certificate of the inspection and maintenance of the chimney as per the relevant local regulations.
  • The guarantee questionnaire has been filled by the contractor carrying out the installation and returned to the Manufacturer.

The guarantee shall not be valid if:

  • The burning equipment connected to the flue gas deflector system has been modified without a due permit.
  • The prescribed inspections/maintenance has not been carried out on the heating equipment.
  • Irregular modifications have been carried out on the flue gas deflector system.

The guarantee only applies to the repair of the liner tube and shall not be valid for any direct or indirect damages concerned.

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