Dubultsienu izolētie dūmvadi (25 mm)
Double wall telescopic tube INOX
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.
Insulation: 25mm
DESCRIPTION
• The double-wall Telescopic Module, with a height varying from 250 mm to 400 mm, represents the fundamental component for connecting sub-vertical or sub-horizontal sections of unusual useful height.
• Its use is not intended for the structuring of chimney systems according to the UNI EN 1856-1 standard; being an element with a variable height, it cannot support vertical loads.
FEATURES
• 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.
• A silicone gasket supplied as standard, inserted inside the special seat molded in the upper internal element, provides sealing, but above all, acts as a limit switch and prevents slipping during extension.
• Accessories: triple-lip silicone gasket, to ensure sealing between joints; locking strap, to ensure tightening and continuity of the system.
APPLICATIONS
Its use is intended to connect anomalous sections of variable length, of a Flue. It is not a sealed element, it cannot be used for the creation of Chimney Systems compliant with UNI EN 1856-1.







