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Coupling
V
VX VS
V
VX VS
| Size | ΦD(mm) | H(mm) | t(mm) | ||
| V | VX/VS | V | VX/VS | ||
| 80 | 78.8 | 79 | 45 | 78 | 0.5 |
| 100 | 98.8 | 99 | 45 | 78 | 0.5 |
| 125 | 123.8 | 124 | 45 | 78 | 0.5 |
| 140 | 138.8 | - | 45 | 0.5 | |
| 150 | 148.7 | 148.9 | 45 | 78 | 0.5 |
| 160 | 158.7 | 158.9 | 45 | 78 | 0.5 |
| 180 | 178.7 | - | 45 | 0.5 | |
| 200 | 198.6 | 198.9 | 45 | 78 | 0.5 |
| 224 | 198.6 | - | 45 | 0.5 | |
| 250 | 248.5 | 248.9 | 45 | 118 | 0.5 |
| 280 | 278.5 | - | 45 | 0.5 | |
| 300 | 298.5 | 298.9 | 45 | 118 | 0.5 |
| 315 | 313.4 | 313.8 | 45 | 185 | 0.5 |
| 350 | 348.4 | - | 45 | 0.5 | |
| 355 | 353.4 | - | 45 | 0.5 | |
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Galvanized steel connection pieces for ducts with double lip seal.
The airthightness class is also determined by the mounting on the construction site.
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