| Pressure ηmax | 5870 |
|---|---|
| Fan's operating point: Pressure, Pa | 6870-3330 |
| The mass of the fan with el. engine, kg | 7480 |
| Fan's operating point: Airflow m³/h | 50000-213180 |
| Performance ηmax | 138900 |
| Rotation speed, rpm | 1000 |
| Pollution limits, mg/m³ | 2000 |
| Model | ДН №21 |
| Design | Schema №3 |
| Ventilator angle of rotation | L 0, L 135, L 180, L 270, L 315, L 45, L 90, R 0, R 135, R 180, R 270, R 315, R 45, R 90 |
| Material | Carbon steel |
| Max. transported air temperature, °C | 200-250 |
| Engine KW / RPM | 400/1000 |
| D/Dn | 1 |
DN №21 with electric engine DAZO4-85/51-6U1 400 kW 1000 RPM
Aerodynamic characteristics
DN smoke exhausters aerodynamic characteristics
at barometric pressure of 760 mm Hg. Art.
Q - air productivity, thousand m3/h
Pv - total pressure
η - coeficient of eficiency
n - quantity of rotations on the impeller, rpm
N - power consumption of the engine, kW
U – wheel peripheral speed, m / s
ΔθHA - angle of installation of guide vanes.
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