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Centrifugal Fans Manufacturers and Suppliers

IQS Directory is a top industrial directory listing of leading industrial centrifugal fan manufacturers and suppliers. Access our comprehensive index to review and source centrifugal fan manufacturers with preview ads and detailed product descriptions. These centrifugal fan companies can design, engineer and manufacture air blowers to your specifications and application need. A quick and easy to use request for quote form is provided for you to contact these centrifugal fan manufacturers and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. Read customer reviews and product specific news articles. We are the right resource for your information requirement whether its for a manufacturer of air blowers, centrifugal blowers, fan manufacturers.

  • Syracuse, NY 888-293-7434

    Since 1991, National Turbine Corporation has been a blower manufacturer, bringing you quality multi stage blowers for use in industrial applications. Our employees have over 160 years of combined engineering and manufacturing knowledge. From concept to final product we provide you with the right product and accessories to meet the requirements of any system.

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  • Rhinelander, WI 715-365-3267

    AirPro Fan & Blower Company - #1 Most Reliable Fan Manufacturer. Thousands of customers depend on AirPro fans to keep their operations going, and that's why we build the highest quality fans, prioritize on-time delivery, and offer a 3-year warranty on all products! Founded in 2002, AirPro is privately held and 100% Employee-Owned. With headquarters and manufacturing facilities in Rhinelander, Wisconsin, we offer centrifugal fans for process air applications in North America and around the world. Please call 715-365-3267 or email fans@airprofan.com to request a quote from AirPro on your next fan project.

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  • Schenectady, NY 518-372-2496

    With over 20 years of experience in the compressor business by the former TSC company and more than a century of experience in fan business by Piller. The combination of both makes Piller TSC the first address in designing, serving and repairing rotating equipment. We also refurbish, repair and service turbo compressors of all kinds.

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  • Piqua, OH 800-336-3267

    If you are looking for a solution solving industrial blower supplier, look to Hartzell Air Movement. We have been an industrial blower manufacturer for 75 years & carry products such as air blowers, exhaust fans, industrial fans, centrifugal blowers & high velocity fans for the air moving community. At Hartzell, our mission is to provide high quality & reliable industrial air moving equipment & services.

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  • Glendale Heights, IL 630-858-2600

    With roots back to 1947, Chicago Blower manufactures and sells a full line of quality engineered fan and blower products, taking pride in superior workmanship for 2 to 5 bladed heavy duty fans, duct blowers, roof exhausters, universal, belt drive and direct drive blowers, blower wheels, replacement parts, etc.

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  • More Centrifugal Fans Companies

businessIndustry Information

Centrifugal Fans

 A key factor in many industrial applications is directional airflow, which is necessary for removing dust, gases, pollutants, and for the safety of workers. Though axial fans could do the job, they are not capable of providing the required directionality and control. In those conditions, the tool that is the most efficient and provides the airflow characteristics needed for the application is a centrifugal fan.

 Unlike axial fans, centrifugal fans pull air in and change its angle of discharge, a process that increases the velocity and pressure of the air. The design allows for accurate control of the airflow pattern.

 What is a Centrifugal Fan?

 A centrifugal fan has a spiral casing that contains an impeller that is attached to the motor. Two ducts allow air to enter and exit the fan casing. One duct pulls air in while the other duct discharges the air. The tight, uniform construction of the fan increases the pressure of the airflow as it leaves the fan.

 When a centrifugal fan is activated, the impeller pulls ambient air in through the inlet duct. The blades of the impeller catch the air and increase its velocity by their rapid rotation. The swirling airflow moves from the center of the impeller to its outer edges and is expelled through the outlet duct at higher pressure and speed.

 The advantage of centrifugal fans is their ability to control the pressure, velocity, and direction of the airflow such that it can be applied to a specific location. This feature is essential for industrial operations that involve dust, gases, and contaminants.

 Types of Centrifugal Fans

 Centrifugal fans are classified by the types of blades on their impeller and the drive of their motor. Impeller blades can be divided into four categories – airfoil, backward curved, forward curved, and radial. The difference between the types of blades is determined by the air pressure they create.

 Radial blades are used in industrial applications where there is a great deal of dust, gases, or humidity. Fans with radial blades produce high air pressure from a medium airflow.

 An airfoil fan has blades in the shape of an airfoil. They provide the highest efficiency and are used in chemical factories, power plants, and metal factories. Airfoil fans are capable of operating in high temperature environments that have harsh conditions.

 The impeller of a forward curved fan looks like a squirrel cage. They generate the highest amount of airflow and are used in high temperature applications, such as furnaces, where there is dust or particles in the air.

 Backward curved fans have the same characteristics as airfoil fans including the same efficiency. The backward curvature of the blades helps avoid dust and contaminant buildup. They are normally chosen for high pressure applications.

 Types of Centrifugal Fan Drives

 The two types of drives are direct and belt. The choice of which drive depends on the fan manufacture and how the fan will be used. Belt drives are the most common.

 Direct dive fans have the motor connected to the shaft of the impeller. They have a very compact design and are easy to maintain. Direct drive fans are smaller and have a low cost with exceptional efficiency.

 The more common belt driven fan has the motor connected to the shaft of the impeller by a pulley. They have greater flexibility and can match any set of airflow requirements. Belt driven fans are larger and have variable pitch motors.