AC Backward Centrifugal Fan B355-145: Your Best Choice for Industrial Ventilation

The AC Backward Centrifugal Fan B355-145 is a top-tier solution for industrial ventilation systems and HVAC units. Engineered with backward-curved blades, this fan provides maximum efficiency with minimal noise. Certified under CCC, CE, and RoHS, it guarantees long-lasting and energy-efficient performance for various applications, from building ventilation to electronics cooling.

AC Backward Centrifugal Fan B355-145 Technical Features

• Material: High-grade sheet aluminium for durability.
• Protection Class: IP54 for protection against dust and water ingress.
• Certifications: CCC, CE, and RoHS certified.
• Insulation Class: F for industrial-grade performance.

Technical Specifications Table:

Applications of AC Backward Centrifugal Fan B355-145 in HVAC and Industrial Ventilation

HVAC Systems

The AC Centrifugal Fan B355-145 is widely used in HVAC systems for efficient air movement and ventilation. It supports building ventilation systems by providing consistent airflow, ensuring energy efficiency in cooling and heating systems.

Industrial Processes

In industrial environments, the fan's backward-curved blades offer high static efficiency, making it ideal for processes requiring gas or material transport, such as in air pollution control systems and dust extraction.

Electronics Cooling

With its high airflow and low energy consumption, this fan is an excellent solution for electronics cooling, especially for devices like laptops that need efficient heat dissipation.

Fluid Bed Aerators

This fan type is commonly used in fluid bed aerators for wastewater treatment and sewage aeration by delivering consistent oxygenation.

People Also Ask: FAQs About Centrifugal Fans

What is a centrifugal fan?
A centrifugal fan is a type of fan that uses the kinetic energy of impellers to increase the volume of airflow. It's widely used in HVAC, industrial processes, and electronics cooling systems.

What is the difference between a centrifugal fan and a normal fan?
Centrifugal fans expel air at a 90-degree angle from the intake, offering high pressure, whereas normal fans, like axial fans, push air in the same direction as the intake, generally providing lower pressure.

What are the three types of centrifugal fans?
The three main types are forward-curved, backward-curved, and radial fans. Each has its specific applications based on the required pressure and airflow.

Where are centrifugal fans used?
Centrifugal fans are widely used in HVAC systems, industrial drying, electronics cooling, air pollution control, and vehicle engines for VW and Porsche.

What is an AC centrifugal fan?
An AC centrifugal fan is powered by an alternating current (AC) motor and is commonly used in HVAC, industrial ventilation, and air handling units. It is highly efficient and durable, ideal for long-term operation.

Benefits of AC Backward Centrifugal Fan B355-145

• High Efficiency: Backward-curved blades provide better energy efficiency compared to forward-curved fans, reducing overall power consumption.
• Low Noise: The fan operates quietly at a sound level between 60-65 B(A), making it suitable for noise-sensitive environments.
• Durable Design: The IP54 protection class ensures that the fan operates smoothly in harsh industrial settings with dust and moisture exposure.
• Flexible Application: With various speed and voltage options, this fan is ideal for a range of applications, from HVAC to industrial ventilation.

Frequently Asked Technical Questions

Can you run a centrifugal fan backwards?
Running a centrifugal fan backwards reduces efficiency and may cause mechanical damage over time.

Which is better: forward or backward centrifugal fan?
Backward centrifugal fans are more energy-efficient and generate less noise, making them ideal for industrial applications requiring high airflow and low power consumption.

What happens when a centrifugal fan is wired backwards?
If wired backwards, the fan will spin in the wrong direction, resulting in reduced airflow and possible motor damage.

What is a backward curved centrifugal fan?
A backward curved centrifugal fan uses impellers curved away from the direction of rotation, providing higher efficiency and better pressure capabilities, especially in industrial applications.

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Advantages of Choosing Airflow Company for AC Backward Centrifugal Fans

Founded in 2014, Airflow Company has established itself as a leader in the energy-efficient fan manufacturing industry. With production bases in Jiaxing, Hangzhou, and Shijiazhuang, covering over 50,000 square meters, the company is a pioneer in producing DC/AC motors, centrifugal fans, and axial fans. Our high-tech products are used globally, including in North America, Europe, Southeast Asia, and the Middle East.

We are committed to providing top-quality industrial ventilation solutions that meet global standards such as CCC, CE, and RoHS. With advanced R&D capabilities and a dedicated production team, Airflow Company is your go-to partner for high-efficiency centrifugal fans.

AC Backward Centrifugal Fans FAQ Section:

Q1: Can you run a centrifugal fan backwards?
A: Running a centrifugal fan backwards reduces its efficiency and can cause airflow problems, as the blades are designed to move air in a specific direction.

Q2: Which is better, forward or backward centrifugal fans?
A: Backward centrifugal fans are generally more efficient and quieter than forward fans, especially in applications requiring high static pressure.

Q3: What happens when a centrifugal fan is wired backwards?
A: Wiring a centrifugal fan backwards can lead to inefficient operation, as the fan blades will not move air in the intended direction, reducing performance.

Q4: What is a backward curved centrifugal fan?
A: A backward curved centrifugal fan has blades that curve away from the direction of rotation, providing higher efficiency and lower noise compared to forward curved fans.

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