Natural Smoke and Heat Exhaust Ventilator with blind hatches “single flap”
MarTop SF/P
1. Moisture-proof veneer 9 mm (P)
2. Insulation of basis frame:
- Mineral wool (W), ( λ=0,037 W/mK), 70 mm or 100 mm
- PIR plate (P), ( λ=0,022 W/mK), 70 mm or 100 mm
3. Lid:
- Gabled (G) or flat (F)
- Metal structure Zn
- Insulated with 100mm PIR plate
- Covered with 0,5mm purex sheet
4. Opening mechanism
5. 0,5mm polyester sheet
6. Water sheets
7. Roof insulation
8. Load-bearing structure of the roof
If required, we will cover the ventilator with PVC roofing.
MarTop SF/M
1. 0.7 mm flat sheet Zn (M)
2. Insulation of basis frame:
- Mineral wool (W), ( λ=0,037 W/mK), 70 mm or 100 mm
- PIR plate (P), ( λ=0,022 W/mK), 70 mm or 100 mm
3. Lid:
- Gabled (G) or flat (F)
- Metal structure Zn
- Insulated with 100mm PIR plate
- Covered with 0,5mm purex sheet
4. Opening mechanism
5. 0,5mm polyester sheet
6. Water sheets
7. Roof insulation
8. Load-bearing structure of the roof
If required, we will cover the ventilator with PVC roofing.
Technical data of NSHEV:
Resistance class – (Re)
Opening when loaded – (SL)
Work on low temperature – (T)
Wind load classification – (WL)
Heat resistance classification – (B)
| Re | 50 + (10 000) |
|---|---|
| SL | 750 |
| T | -15/-25 |
| WL | 1500 |
| B (G and F) | 600 |
| B (light dome) | 300 |
Measurements and aerodynamics:
| Measurements (mm) | Av [m2] | Cv [-] | Aa [m2] |
|---|---|---|---|
| 1000×1000 | 1.00 | 0.77 | 0.77 |
| 1000×1600 | 1.60 | 0.77 | 1.23 |
| 1000×2000 | 2.00 | 0.70 | 1.40 |
| 1200×1200 | 1.44 | 0.77 | 1.11 |
| 1200×1800 | 2.16 | 0.77 | 1.66 |
| 1200×2400 | 2.88 | 0.70 | 2.02 |
| 1200×2570 | 3.084 | 0.67 | 2.07 |
| 1000×2000* | 2.00 | 0.77 | 1.54 |
| 1200×2400* | 2.88 | 0.77 | 2.22 |
| 1200×2570* | 3.084 | 0.77 | 2.37 |
* Aerodynamics measured with wind deflectors