Centrifugal Blower Fans

Knape Associates understands your challenges when searching for the right centrifugal blower fan for your industrial application.

With countless blower fan options and complex technical specifications, finding the perfect fit can be overwhelming and time-consuming.

As an official distributor of leading centrifugal fan and blower manufacturers, we are here to simplify the process and help you identify the ideal solution.

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centrifugal blower fan

Our extensive product range and deep understanding of various industries enable us to guide you through the selection process, ensuring you find a centrifugal blower, no matter the type, that meets your unique requirements and integrates seamlessly with your existing system.

We prioritize providing value to our customers by offering expert recommendations based on our technical expertise and experience.

We aim to help you enhance your system’s efficiency, reliability, and performance while minimizing potential pain points, such as application-specific challenges and integration concerns.

Partner with us to access high-quality centrifugal blowers backed by exceptional customer service and support.

Contact Knape Associates today to discuss your industrial air movement needs and discover the perfect centrifugal blower solution for your application.

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Backward Inclined

Backward curved centrifugal fans have impeller blades facing away from the direction of rotation.

They develop static pressure across the depth of the impeller blade, making them suitable for applications requiring higher pressure capabilities or higher flow rates without a fan scroll.

Forward Curved

Forward curved centrifugal fans have a large number of forward-facing curved impeller blades.

Fan scroll housing or volute:

  • Converts high-velocity air into static pressure
  • Provides directionality for output airflow

Suitable for:

  • Higher flow rate applications
  • Lower operating speeds compared to backward curved fans

High-Pressure Blower

High-pressure centrifugal fans and blowers handle a variety of airflows relative to static pressure and temperatures.

High-pressure centrifugal fans and blowers accommodate a wide range of airstreams, from clean air to bulk material handling applications. They are popular in:

  • HVAC systems
  • Air pollution control
  • Material handling systems

Key advantages:

  • Cost-effective
  • Simple construction
  • Sturdy and reliable
  • Capable of operating under various conditions

Fan Array / Fan Wall / Plenum:

Fan arrays, also known as fan walls or plenums, consist of multiple smaller fans arranged in a grid or matrix, operating in parallel to achieve the desired airflow and pressure.

Key advantages compared to single fan:

  • Redundancy
  • Improved efficiency
  • Reduced noise

Mixed Flow

Mixed flow fans combine the characteristics of both axial and centrifugal fans, with the airflow entering axially and exiting at an angle.

They provide a balance between high airflow and moderate pressure capabilities, making them suitable for applications requiring a compact design and efficient performance.


Backward inclined airfoil centrifugal fans feature impeller blades with an airfoil cross-section.

They are designed to minimize turbulence and improve efficiency by smoothly directing airflow, making them ideal for applications demanding high efficiency, reduced noise levels, and improved pressure development compared to standard backward inclined fans.

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Supplying Industrial Fans

Knape Associates can provide fast quotes on the correct products for your application.

We are official representatives of leading blower manufacturers in Texas and throughout the U.S.