Transition from round to rectangular
Chimney flue reducer is an essential component that ensures compatibility across various chimney systems by altering the diameter or cross-sectional shape of the chimney channel.
Transition from round to rectangular cross-section - this component is used to connect a chimney to a heat generator (e.g., boiler) with a rectangular outlet duct. It provides a secure and airtight connection between chimney components with different cross-sectional shapes.
Key features:
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Material: High-quality stainless steel ensures durability and resistance to corrosion.
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Customization: Available in various configurations to match the technical specifications provided by the customer.
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Flexibility: Non-standard reducers can be manufactured, including options with offsets and flanges.
Ordering guidelines:
When ordering a custom chimney flue reducer, please specify the following parameters:
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Dimensions of the rectangular outlet duct: A x B (mm).
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Length of the straight section: T.
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Diameter of the round pipe: Specify as "-" or "male" or "+" or "female".
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Total length of the reducer: L.
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Connection type with the rectangular pipe: Fits onto the boiler outlet or connects via flanges.
Additional options:
Made to order within 3-10 working days
Place an order for manufacturing:
To place an order for the manufacture of a round to rectangular cross section, the exact dimensions A, B, D, L, T, FL must be specified to ensure accurate manufacturing.

Diameter (mm) |
80-800 |
Article |
DVPR0000011 |
Availability |
on request |
Manufacturer: SIA Akvilon
Material: Stainless steel AISI 304L/316L with a wall thickness starting from 0.6 mm.
Diameter range: 80–800 mm.
Certificate: CE, compliant with EN 1856-2.