CIRCULAR DUCT COLLAR – SR
Characteristics:
- Sheet type: galvanized
- Connection method: seam lock, spot weld
- Standard design: h = 100 mm, W1 = 20 mm
- Endings: P20, P20 LR, P30, P30 LR, bare end, outward bending
- Leakproofness standard: Class A, Class B
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The collar is used for connecting a rectangular branch to a circular ventilation duct. It is fixed with rivets or screws to a previously prepared opening. Edges need to be sealed with silicone or acrylic sealant.
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| A (mm) | B (mm) | h (mm) | Ød (mm) |
| 200 | 100 | 100 | 125 |
| 200 | 120 | 100 | 160 |
| 160 | 160 | 100 | 200 |
| 200 | 200 | 100 | 250 |
| 400 | 250 | 100 | 315 |
| 400 | 200 | 100 | 355 |
| 500 | 300 | 100 | 400 |
| 400 | 350 | 100 | 450 |
| 400 | 400 | 100 | 500 |
| 450 | 400 | 100 | 560 |
| 500 | 400 | 100 | 630 |
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