ROOF BASE – PDB2
Characteristics:
- Sheet type: galvanized
- Connection method: seam lock, spot weld
- Standard design: E = D – 50 mm, F = C – 50 mm, f = 50 mm, h = 200 mm, L = 800 mm
- Endings: male, female, flange
- Leakproofness standard: Class A, Class B, Class C
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The roof base is used for installing a circular roof air intake/exhaust on a rectangular roof curb. The upper part of the roof base terminates with a circular flange, male or female ending. Below the base drip cap, there is a duct to be connected with another duct, sunk into the roof curb.
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| C (mm) | D (mm) | E (mm) | F (mm) | Ød (mm) | f (mm) | h (mm) | L (mm) |
| 360 | 360 | 310 | 310 | 200 | 50 | 200 | 800 |
| 410 | 410 | 360 | 360 | 250 | 50 | 200 | 800 |
| 475 | 475 | 425 | 425 | 315 | 50 | 200 | 800 |
| 515 | 515 | 465 | 465 | 355 | 50 | 200 | 800 |
| 560 | 560 | 510 | 510 | 400 | 50 | 200 | 800 |
| 610 | 610 | 560 | 560 | 450 | 50 | 200 | 800 |
| 790 | 790 | 740 | 740 | 630 | 50 | 200 | 800 |
| 870 | 870 | 820 | 820 | 710 | 50 | 200 | 800 |
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