Two-ply flexible liner DF

This flexible stainless steel chimney liner system is the perfect solution for renovating existing curved concrete chimneys where a rigid flue liner cannot be installed.

Diameter range: 60, 80, 100, 110, 120, 125, 130, 150, 160, 180, 200, 250, 315 mm.

Chimney system for particular cases must be selected according to the documentation of the heating appliance manufacturer, chimney installation guide and national legal acts.


Gas, oil or solid fuels

Working temperature

≤ 600° C


Inner pipe: stainless steel EN 1.4404
Outer pipe: stainless steel EN 1.4301 or painted steel

Wall thickness

Outer and inner walls 0.10 mm

Pressure class

N1 – natural draught

Sootfire resistance

G – resistant

Condensate resistance

W – designed for wet operating conditions



System marking

EN 1856-2 T600-N1-W-V2-L50010-G




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