Single wall without insulation in stainless steel AISI-304.
For boilers in natural draught (negative pressure) and forced draught (positive pressure up to 200 Pa) to work in dry conditions and which use gas or gas oil as fuel. Excellent for casings, ventilation, dryers. etc.
As chimney only interior. As ventilation pipes: interior and external. Not rainwater proof.
With seal (1) EN 1856-1 T200-P1-W-Vm-L20040-0(50)
Without seal (2) EN 1856-2 T600-N1-W-Vm-L20040-G(XX)NM.
(1) Distance to combustible materials: Ø80 a Ø300 = 50mm
(2) Distance to combustible materials:Ø80 a Ø125 = 375mm. Other diameters = 3 times the diameter.