RECTANGULAR DUCT – K
Characteristics:
- Measurement: DIN 18379
- Sheet type: galvanized
- Connection method: seam lock, spot weld
- Standard design: L = 1500 mm
- Endings: P20, P20 LR, P30, P30 LR, bare end, outward bending
- Leakproofness standard: Class A, Class B, Class C
- Stiffeners: available in larger dimensions
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The rectangular duct terminates with steel profile frames and is stiffened with transverse sheet corrugation. Larger ducts are additionally stiffened with galvanized tubes.
Standard duct lengths are 1000 mm, 1250 mm and 1500 mm.
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| A (mm) | B (mm) | L (mm) | Area (m2) |
| 200 | 200 | 1500 | 1,20 |
| 300 | 300 | 1500 | 1,80 |
| 400 | 400 | 1500 | 2,40 |
| 500 | 500 | 1500 | 3,00 |
| 600 | 600 | 1500 | 3,60 |
| 700 | 700 | 1500 | 4,20 |
| 800 | 800 | 1500 | 4,80 |
| 1000 | 1000 | 1500 | 6,00 |
| 2000 | 2000 | 1500 | 12,00 |
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