Stainless steel chimney flue DF - DUCTFIRE M

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 Inner wall stainless steel AISI 316L - thickness 1 m Outer wall stainless steel AISI 304 Special 50 mm coupled thermal insulation that guarantees excellent performance and fire resistance from the outside for 120 minutes H2 high positive pressure; the calibrated mechanical-seal connection ensures resistance to high positive pressures (5000 Pa) without the use of sealing gaskets Gas and liquid fuels for dry/wet operation Solid fuels for dry operation CE