Description
Backward fans and fan plugs are widely used in industrial, commercial, and residential applications, including:
Air conditioning: Backward fans are often used in residential, commercial, and industrial HVAC systems to move air over long distances. They can generate the pressure required to move air through ductwork and other HVAC equipment.
Dryers: Backward fans are used in dryers to circulate air inside the dryer. They can generate the pressure required to move air around the dryer and remove moisture from the air.
Air purifiers: Backward fans are used in air purifiers to move air through the filters. They can move a large volume of air at high pressure, which is essential for effective air purification.
Industrial fans: Backward fans are used in various industrial applications, such as moving air in factories and workshops. They can generate the pressure required to move air in industrial environments with space constraints
Advantages of Backward Fans
Backward fans offer several advantages over other types of fans. Some of the main advantages of backward fans include:
High efficiency: Backward fans have high efficiency, which means they move a large volume of air with less energy consumption. This makes them ideal for applications that require high-efficiency air movement, such as residential and commercial HVAC systems.
Low noise: Backward fans generate less noise than forward fans. This makes them suitable for applications that require quiet operation, such as residential and commercial HVAC systems.
Higher airflow capacity: Backward fans are capable of moving a higher volume of air than forward fans.
Long life: Backward fans have a longer life than other types of fans due to their design and construction.
Adjustable: Backward fans can be adjusted to operate at different speeds and with different air volumes.
Low cost: Backward fans are generally less expensive than other types of fans.
Versatile applications: Backward fans are used in a wide range of applications, including HVAC, heating, ventilation, agriculture, industry, and more
Backward Curved Fans: Advantages and Operation
In addition to the main advantages mentioned earlier, backward curved fans also offer several other benefits, including:
Corrosion resistance: Backward curved fans are resistant to corrosion due to the shape of their blades. This makes them suitable for applications where they are exposed to corrosive environments, such as factories and workshops.
Adjustability: Backward curved fans can be adjusted for various applications. This makes them suitable for applications that require high flexibility, such as commercial HVAC systems.
How Backward Curved Fans Work
Backward curved fans utilize centrifugal force to move air. Air enters the fan through the inlet and is pushed outward by the impeller blades. The air pressure at the fan outlet is lower than at the inlet, which causes the air to move at a lower velocity.
Details of Backward Curved Fan Operation
Backward curved fans have an impeller with curved blades. These blades are curved backward, which is why these fans are called “backward curved.” When the fan is turned on, the motor rotates the impeller. The impeller blades, in turn, push the air outward. The air pressure at the fan outlet is lower than at the inlet, which causes the air to move at a lower velocity.
Technical Specifications of Backward Curved Fans
The technical specifications of backward curved fans include the following:
- Impeller diameter: The impeller diameter determines the fan’s airflow capacity. Backward curved fans are available with various impeller diameters for different applications.
- Impeller rotational speed: The impeller rotational speed determines the fan’s pressure. Backward curved fans are available with various impeller rotational speeds for different applications.
- Motor type: Backward curved fans are available with various motors, including single-phase and three-phase motors.
- Material of housing and impeller: Backward curved fans are available with various housings and impellers, including metal and plastic housings and impellers.
- Protection class: The protection class determines the fan’s resistance to dust and moisture. Backward curved fans are available with various protection classes.
- Sound level: The sound level determines the noise generated by the fan. Backward curved fans are available with various sound levels.
Technical Specifications of Backward Fans
- Impeller Diameter: 150 to 1000 mm
- Impeller Speed: 1000 to 3000 RPM
- Motor Type: Single-phase or Three-phase
- Housing and Impeller Material: Metal or Plastic
- Protection Class: IP20 to IP54
- Noise Level: 40 to 80 dB
Selecting a Backward Fan
To select the right backward fan, you need to consider the following factors:
- Required Airflow: The impeller diameter determines the fan’s airflow capacity.
- Required Pressure: The impeller speed determines the fan’s pressure.
- Application Type: Backward fans are available for various applications.
- Environmental Conditions: The protection class determines the fan’s resistance to dust and humidity.
Considering these factors, you can choose the suitable backward fan for your application.
Satraptahvieh: A Reliable Manufacturer of Backward Fan and Plug Fan in Iran
Satraptahvieh Alborz is a reputable manufacturer and supplier of backward fan and plug fan in Iran. With the help of our experienced and knowledgeable team, we produce high-quality products at reasonable prices.
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