Backward Curved Centrifugal Fan

With decades of expertise, AS Engineers has become a leading name in the backward curved centrifugal fan industry. Our deep understanding of fluid mechanics principles has allowed us to master the design and manufacture of these essential components for various industries. AS Engineers is committed to providing high-quality, durable, and reliable backward curved centrifugal fans to meet the specific needs of our clients.

Air Flow

14,000 to 7,50,000 CMH

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Static Pressure

40 TO 2000 MMWC

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Up to 200℃

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Up to 85%

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Performance Curve

Non-overloading power curve

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Type of Construction


Backward curved centrifugal fans provide optimum performance capabilities while consuming minimal energy. This makes them high-value additions to centrifugal fan and blower applications. It has a backward curved blade impellers profile that empowers the fans to move high volumes of air at high static pressures with high static efficiencies. Backward curved impeller can handle light dust and particulate and are used in various processes including clean air applications.

Backward Curved Centrifugal Fan Product Description

Backward Curved Centrifugal Fans by AS Engineers are designed to deliver efficient and effective air handling solutions for a range of applications. These fans are engineered using the latest backward curved technology, which provides higher energy efficiency compared to other fan technologies. Our product range includes various fan models and a broad range of sizes to suit the needs of different air volume applications, including high, medium, and low volume applications. With our extensive product range and advanced design, AS Engineers is well equipped to offer customers the right solution for their specific air handling requirements.

Backward Curved Centrifugal Fan Wheel

Some models provide the highest air volume out of the backward curved impeller options. It’s used for induced draft applications primarily alongside forced draft solutions.

We have designed models for medium levels of air volume levels, some of our models boast static efficiencies above 80% for both induced and forced draft air requirements.

One specially developed model with a narrow wheel and housing moves lower air volumes at higher static pressures. It’s most commonly used with induced draft applications requiring combustion air.

The best model for your application depends on the air volume and static pressure your system requires. We have a team of application engineers who can analyze and review your system requirements and select the option that best works for you.

We build all backward curved centrifugal fan models with heavy industrial strength and robust construction. Our customers depend on these fans to keep them in operation. Reliability and trustworthiness is critical. We understand their importance and it is what drives our engineering and manufacturing standards.

Applications Using the Industrial Backward Curved centrifugal Fan

Backward Curved Centrifugal Fans, also known as Backward Curved Impellers or Backward Curved Blowers, are highly versatile and efficient air-moving solutions widely used across various industrial sectors. These fans are known for their ability to handle large volumes of air while maintaining high-efficiency levels, making them ideal for a wide range of applications. Here are some of the key industries that benefit from using Backward Curved Centrifugal Fans

  1. Environmental Industry: The environmental industry is one of the key sectors that rely on Backward Curved Centrifugal Fans for various air pollution control applications. These fans are used in oxidizers, dust collectors, scrubbers, and odor control systems to help control and treat emissions from industrial processes. Backwards Curved Centrifugal Fans are ideal for these applications because they provide efficient and reliable service while ensuring effective treatment of pollutants.


  2. Process Industry: The process industry also extensively uses Backward Curved Centrifugal Fans in various applications. These fans are commonly used as ID (Induced Draft) fans in process heating and cooling systems. They are well suited for these applications due to their ability to handle large volumes of air and provide high energy efficiency, which is essential for process heating and cooling applications.


  3. Power Generation Industry: Power generation plants also use Backward Curved Centrifugal Fans for various air handling applications. These fans are used in boiler systems to help control air flow and maintain a consistent temperature, which is critical for the safe and efficient operation of power plants. Backward Curved Centrifugal Fans are also used in cooling systems to help regulate the tem