EC Backward Centrifugal Fans-High-Efficiency Industrial Ventilation

EC Backward Centrifugal Fans: High-Efficiency Industrial Ventilation

The EC Backward Centrifugal Fans are designed for high-performance industrial ventilation applications. With optimized airflow, energy-efficient motors, and durable construction, these fans offer reliability and flexibility for a wide range of installations.

Key Features of EC Backward Centrifugal Fans

The EC Backward Centrifugal Fans from AFL manufacturers feature advanced design and energy-efficient components, including:

• Material: PA66 plastic impeller for durability
• Protection Class: IP44 for protection against dust and moisture
• Certifications: CCC, CE
• Insulation Class: B

Table of Specifications:

Applications of EC Backward Centrifugal Fans

The EC Backward Centrifugal Fans are ideal for a variety of industrial and commercial applications, including:

• HVAC Systems
• Air Purification Units
• Factory Ventilation
• Telecommunications Cooling
• Refrigeration and Air Conditioning Systems

These fans provide high airflow capacity while maintaining energy efficiency, making them perfect for overcoming system resistance in ventilation systems.

Operating Principle of EC Backward Curved Centrifugal Fans

In radial fans, the air is directed outward from the impeller, perpendicular to the motor’s axis of rotation. Backward curved impellers require higher speeds than forward curved impellers but offer greater efficiency by reducing motor overload and enhancing pressure generation.

Advantages of EC Backward Centrifugal Fans

• Low Operating Costs: High-efficiency motors keep long-term running costs low.
• Outstanding Flexibility: Fully adjustable airflow rates ensure performance across diverse applications.
• Compact Design: Fits into space-constrained environments.
• Durability: Built with high-quality components for long-term reliability.
• Compliance: Certified with CE, RoHS, Reach, and ErP standards.

What Happens When a Centrifugal Fan Runs Backwards?

When a centrifugal fan runs backward, its performance decreases significantly, causing reduced airflow and efficiency. Additionally, running a fan backward may lead to motor strain and possible damage over time.

What is a Backward Curved Centrifugal Fan?

A backward curved centrifugal fan is a type of industrial fan where the impeller blades are curved away from the direction of rotation. This design is more efficient than forward-curved blades because it generates higher pressure while reducing energy consumption and motor overload.

Which is Better: Forward or Backward Centrifugal Fan?

Backward curved centrifugal fans are generally more efficient and better suited for handling high system resistance compared to forward curved fans. They operate at higher speeds and are less susceptible to motor overload, making them ideal for industrial applications.

Are Centrifugal Fans Reversible?

Centrifugal fans are not typically designed to be reversible. Running them in reverse can lead to reduced performance and potential mechanical issues. They are meant to operate in the designed direction for optimal efficiency.

About Airflow Company

Founded in 2014, Airflow Company is a key player in producing energy-efficient fans for industrial applications, including EC Backward Centrifugal Fans. With three production bases in China, Airflow provides high-quality, globally certified products that meet industry standards for energy efficiency and durability.

FAQs About EC Backward Centrifugal Fans

1. What happens when a centrifugal fan runs backward?
2. What is a backward curved centrifugal fan?
3. Which is better: forward or backward centrifugal fans?
4. Are centrifugal fans reversible?
5. Why choose AFL instead of other manufacturers?
6. How fast can I get a sample order?
7. What payment methods does AFL support?
8. What is the minimum order quantity (MOQ)?
9. How does AFL handle transportation?
10. How can I contact AFL for inquiries?