TAPERED THREE-WAY WITH RECTANGULAR BRANCH – TR1a
Characteristics:
- Measurement: DIN 18379
- Sheet type: galvanized
- Connection method: seam lock, spot weld
- Standard design: h = 100 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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Tapered three-ways are terminated with frames made of profiles and are additionally reinforced with transverse sheet corrugation. The tapered three-way features a rectangular branch at an angle of 90° and the reduction of the main duct.
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| A (mm) | B (mm) | C (mm) | E (mm) | F (mm) | L (mm) | Area (m2) |
| 300 | 400 | 200 | 300 | 200 | 500 | 1,00 |
| 400 | 500 | 300 | 300 | 200 | 500 | 1,07 |
| 600 | 600 | 400 | 500 | 400 | 600 | 1,70 |
| 700 | 700 | 500 | 500 | 400 | 600 | 1,95 |
| 800 | 800 | 600 | 600 | 600 | 800 | 2,88 |
| 1000 | 1000 | 800 | 1000 | 800 | 1200 | 5,23 |
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