| Design | Schema №1, Schema №3 |
|---|---|
| Model | VDN №12,5 |
| Ventilator angle of rotation | L 0, L 180, L 270, L 45, L 90, Л 15, Л 60, Л 75, Л30, П 0, П 15, П 180, П 291, П 293, П 30, П 45, П 60, П 75, П 90 |
| Pollution limits, mg/m³ | 100 |
| Max. transported air temperature, °C | 80 |
| Engine KW / RPM | 90/1500 |
| Material | Carbon steel |
| The mass of the fan with el. engine, kg | 1635, 1773 |
| Rotations of impeller, rpm | 1480 |
| Fan's operating point: Airflow m³/h | 7170-59470, 7170-59470 |
| Fan's operating point: Pressure, Pa | 6600-3560, 6600-3560 |
| D/Dn | 1 |
| Pressure ηmax | 5270, 5270 |
| Rotation speed, rpm | 1500 |
| Performance ηmax | 39440, 39440 |
VDN №12,5 with electric motor AIR 250 М4 90 kW 1500 rpm
Aerodynamic characteristics
VDN fan aerodynamic characteristics
at temperature 30 ° С
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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