DF - Ductfire M
Twin wall insulated chimney systems - 50 mm - Fire rated EI120 outside

  • CE certified staniless steel modular circular element
  • It combines the excellent performance of a twin wall flue system with the fire rated resistance from the outside (EI 120) thanks to the special double-layer thermal insulation
  • Suitable for crossing compartmented environments ensuring passive fire safety
  • Internal diametres from Øi 130 to Øi 500 mm
  • Product designation (EN 1856-1):
    • T600 H2 W V2 L50100 G70
  • Product designation (EN 13501-3):
    • EI120 (Ve o → i) S                                                                                 
    • EI120 (Ho o → i) S
Twin wall insulated chimney systems - 50 mm - Fire rated EI120 outside DF - Ductfire M
  • 600°C
  • 5000 Pa
  • El 120
  • G
  • V2
Finishing
  • inoxStainless steel

Stainless steel quality

  • Inner wall stainless steel AISI 316L - thickness 1 m
  • Outer wall stainless steel AISI 304

Thermal insulation

  • Special 50 mm coupled thermal insulation that guarantees excellent performance and fire resistance from the outside for 120 minutes

Pressure level

  • H2 high positive pressure; the calibrated mechanical-seal connection ensures resistance to high positive pressures (5000 Pa) without the use of sealing gaskets

Fuels

  • Gas and liquid fuels for dry/wet operation
  • Solid fuels for dry operation

Certification

  • CE
  • Twin wall insulated flue pipe

    Twin wall insulated flue pipe

  • Twin wall insulated flue system fire resistance class EI 120

    Twin wall insulated flue system fire resistance class EI 120

  • Twin wall static air gap flue pipe

    Twin wall static air gap flue pipe

  • Twin wall ventilated air gap flue concentric system

    Twin wall ventilated air gap flue concentric system

  • Single wall inox

    Single wall inox

  • Single wall polypropylene

    Single wall polypropylene

  • Flue pipe products for wood and pellet stoves

    Flue pipe products for wood and pellet stoves

  • Wooden roof crossing kit

    Wooden roof crossing kit

  • Insulation

    Insulation