Rectangular ducts
Square-to-round transitions
Transitions from a rectangular duct A × B to a round duct Ø, concentric or eccentric.
Key data
- Dimensions
- Made to measure: you choose the cross-section A × B and the length.
- Material
- Galvanised steel (Z275), stainless steel 304 and stainless steel 316.
- Connection
- Frame connection: each piece has a 20 or 30 mm frame at its ends.
- Airtightness
- Airtightness class B, C or D to EN 1507.
Need a price or lead time?
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Sizes
All dimensions in mm. Every piece is made to measure: send us the dimensions from the drawing, with the code if there is one.
Square-to-round, concentric
VR
| Dimension | Meaning |
|---|---|
| A × B | Rectangular end |
| Ø | Round end |
| E, F | Position of the round opening |
| L | Length |
| 50 | Straight section at the rectangular end (mm) |
| k1, k2, … | Frame (connection) |
Square-to-round, eccentric in one direction
VRE
| Dimension | Meaning |
|---|---|
| A × B | Rectangular end |
| Ø | Round end |
| E, F | Position of the round opening |
| L | Length |
| 50 | Straight section at the rectangular end (mm) |
| k1, k2, … | Frame (connection) |
Square-to-round, eccentric in two directions
VREE
| Dimension | Meaning |
|---|---|
| A × B | Rectangular end |
| Ø | Round end |
| E, F | Position of the round opening |
| L | Length |
| 50 | Straight section at the rectangular end (mm) |
| k1, k2, … | Frame (connection) |