| Fan's operating point: Pressure, Pa | 4700-4400 |
|---|---|
| The mass of the fan with el. engine, kg | 18140 |
| Pressure ηmax | 4700 |
| Fan's operating point: Airflow m³/h | 175000-514800 |
| Rotations of impeller, rpm | 740 |
| Performance ηmax | 305000 |
| Pollution limits, mg/m³ | 2000 |
| Model | D-21,5x2 |
| Material | Carbon steel |
| Ventilator angle of rotation | ψ - 0° - 135°, ψ - 0° - 45°, ψ - 0° - 90°, ψ - 270° - 135°, ψ - 45° - 135°, ψ - 45° - 180°, ψ - 45° - 45°, ψ - 45° - 90°, ψ - 90° - 135°, ψ - 90° - 180°, ψ - 90° - 270°, ψ - 90° - 90° |
| Engine KW / RPM | 800/750 |
| Max. transported air temperature, °C | 200 |
| Rotation speed, rpm | 750 |
D-21,5×2 with electric motor AOD 800 kW 750 rpm
Aerodynamic characteristics
Dx2 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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