Technical data

VentilFlex®

Compliance data:

  • TG 1217, DIN EN 12237
  • pressure class: D
  • fire class: B-s1, d0
  • Brick chimneys and ventilation ducts above 110 mm diam: Class EI 15
Fire classificationB s1 d0
30 minute heat resistance500 °C
Diameter60 – 1200 mm
Length3 – 80 m
Maximum declination angle30°
Wall thickness2,5 mm
Density1,7 g/cm3
Tensile strength150 N/mm2
Corrosion resistance3 – 12 pH
Cold resistance-50 °C
Thermal conductivity0,27 W/m.K
Thermal expansion24.10-6 m/m.K
Health and environmentCertified for ventilation too

VentilFlex® RKV

Compliance data:

  • TG 1216, DIN EN 12237
  • pressure class: D
  • fire class: A2-s1, d0
  • Brick chimneys and ventilation ducts above 110 mm diam: Class EI 60
Fire classificationA2 s1 d0
30 minute heat resistance1000 °C
Diameter100 – 1200 mm
Length3 – 80 m
Maximum declination angle30°
Wall thickness4,5 mm
Density1,9 g/cm3
Tensile strength145 N/mm2
Corrosion resistance3 – 10 pH
Cold resistance-50 °C