Used machines for sale
 Centrifugal exhaust fans
Main brands:
Berliner Luft, Carrier
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| Centrifugal exhaust fans |
Centrifugal exhaust fans are devices used in industry to move air and gases in ventilation, exhaust systems or industrial processes. They are designed to provide a higher static pressure compared to axial fans, making them efficient in systems that require greater resistance to air flow.
How it works:
The basic operation of a centrifugal exhaust fan involves capturing air at the inlet, which is then accelerated radially outward from the centrifugal rotor. This creates a centrifugal pressure that forces the air to follow a spiral path through the rotor and be expelled in a tangential direction. The kinetic energy of the rotor is transferred to the air, generating a directed flow. These fans are versatile and can be used in a variety of industrial applications, including ventilation, gas exhaust and refrigeration systems.
Types of Centrifugal Exhaust Fans:
Radial Flow Fans (or radial type): Airflow enters tangentially and is directed away from the rotor. These fans are effective in applications that require high pressure, such as exhaust systems.
Diagonal Flow Fans: A combination of radial and axial flow, offering good efficiency and pressure. They are common in ventilation and exhaust systems.
Backward Inclined Axial Flow Fans: Air enters axially and is directed outward at a backward inclined angle. These fans are effective for medium pressure and moderate air volume applications.
Forward Inclined Axial Flow Fans: Similar to backward inclined ones, but the air is directed forward. They are suitable for applications that require greater air volume at moderate pressures.
Centrifugal Fans with Backwards Curved Blades: They have backwards curved blades, providing high efficiency in terms of air volume and pressure. They are used in industrial ventilation systems.
Centrifugal Fans with Forward Curved Blades: The blades are curved forward, providing a balance between air volume and pressure. They are suitable for exhaust and ventilation systems.
Radial Vane Centrifugal Fans: They have straight blades that extend radially from the hub, being effective in applications that require moderate pressure.
Centrifugal Fans with Backward Inclined Vanes: The blades are inclined backwards, providing greater efficiency in terms of pressure.
The choice of centrifugal exhaust fan type will depend on the specific needs of the application, including pressure, air volume and efficiency requirements. These fans play a crucial role in industrial systems, contributing to the efficient circulation and exhaustion of air and gases in various industrial processes. |
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Brand: Berliner Luft
- Exhaust fan, ventilation unit with double exhaust fan.
- Brand: Berliner Luft.
- Series: BBT.
- Model: BBT 160.
- Quantity: One unit.
- Excellent condition.
Cli... |
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Brand: Carrier
Industrial air conditioner.
Manufacturer: Carrier.... |
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Components: Siemens
Centrifugal fan 175 CV for suction of paper dust.
Year: 2008.
Model: ART1001 N1S LG0 LG0.
Siemens 4 HP engine.
Rotation: 1790 rpm.
Flow: 14 m³ / s or 50,400 m³ / h.... |
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Brand: Berliner Luft
Industrial air fan / exhaust.
Model: GTS 1120/3.
Brand: Berliner Luft.
Year: 2021.
Air flow/volume: 41400 m3/h.
Static pressure: 70.0 mmCA.
Rotation: 735 rpm.
Power: 11.55kw.
Temperature: 25ºC.... |
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