Dubultsienu izolētie dūmvadi (25 mm)
Transition double - single wall
The indicated price is valid ordering till 16.02.2026.
Please contact us on +371 28339922 to check if the item is in stock before making a purchase. Just because the indication is available does not guarantee that the item is available immediately.
double - single
Insulation: 25mm
DESCRIPTION
The Double Mono Connection is an element that allows the transition from a double-wall system to a single-wall system.
CHARACTERISTICS
• Internal Wall: Stainless Steel 316 BA (EN 1.4404 - L50) thickness 0.5 mm.
• External Wall: Stainless Steel 304 BA (EN 1.4301 - L20) thickness 0.5 mm or Copper thickness 0.6 mm.
• Insulation: Rock wool cups, thickness 25 mm, density 90 kg/m3.
• Welding: with TIG process, by fusion of adjacent edges without adding material.
• Accessories: triple-lip silicone gasket, to guarantee the seal between the joints; locking band, to ensure tightening and continuity of the system.
APPLICATIONS
Transition element from a double-walled coupling to a single-walled coupling, for systems intended for the conveyance and disposal of products deriving from combustion processes of methane gas-fired boilers, serving Chimney Systems in compliance with UNI EN 1856-1; conveyance and disposal of fumes, generated by combustion processes of diesel, wood or multi-fuel powered devices, serving Smoke Ducts.
For the designation of the Chimney System according to the UNI EN 1856-1 Standard, the following is permitted:
Operation:
- dry (D)
- wet (W)
Pressures:
- Positive (P1 = 200 Pa)
- Negative (N1 = 40 Pa).
Operating Temperatures:
- ≤ 200 °C with silicone gasket and P1 = 200 Pa
- ≤ 600 °C without silicone gasket and N1 = 40 Pa
