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Centrifugal Fans

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Centrifugal Fans

A centrifugal fan is a mechanical device that increases the air velocity using rotational kinetic energy. It draws air in axially toward the impeller's center, accelerates it radially, and discharges the air at a 90-degree angle. This mechanism is highly effective for generating significant static pressure within ducted systems. The fan wheel, or impeller, is key, featuring blades that can be forward-curved, backward-inclined, or radial. These different blade orientations optimize performance for specific needs, balancing high flow volume, pressure capability, and energy usage. Centrifugal fans are the solution of choice for ducted systems requiring high pressure to overcome substantial resistance, such as complex Air Handling Units (AHUs), filtration, dust collection, and specialized industrial processes. Their robust design provides reliable performance and flexibility across various demanding HVAC applications.

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Backward curved blade centrifugal fans for clean or slightly dusty air

PR-L - Backward curved blade centrifugal fans for clean or dusty air

The fans of the PR-L series fi nd their main application in commercial and industrial plants of air-conditioning, ventilation, heating and

DIC - Forward curved blade centrifugal fan

The centrifugal fans of the DIC series are designed to convey clean and not-dusty air and smoke with temperature of 100°C. They are suitable for all

ELIX - Centrifugal duct fan

ELIX is a series of centrifugal fans with central outlet of Ø 100 mm, suitable for duct exhaust through single or multiple ducting and for

ELPREX - Centrifugal fan with decentralized outlet

ELPREX is a series of powerful centrifugal fans with decentralized outlet of ø 100 mm. They are suitable for duct extraction through single or

Centrifugal fan for outdoor installation

EXT - Centrifugal outdoor fan

EXT is a series of powerful duct centrifugal fans for outdoor installation. They are ideal in environments where aesthetics, space or noise level

EXT EC - Centrifugal Outdoor fan

EXT EC is a series of powerful duct centrifugal fans with brushless motor for outdoor installation. They are ideal in environments where aesthetics,

FLUX - Centrifugal fan

FLUX is a series of centrifugal fans with central outlet Ø 100 mm, suitable for duct extraction through single or multiple ducting and for the

PR-QP AT - Backward curved centrifugal fan

The fans of the PR-QP AT series find their main application in in commercial and industrial plants of air-conditioning, ventilation, heating and

PR-QP HT - Backward curved centrifugal fan

Backward curved centrifugal fans suitable for high temperature smoke extraction. The main characteristic of the PR-QP HT series is the quadrangular

PS-L - Backward curved blade centrifugal fans for dusty air

The fans of the PS-L series fi nd their main application in industrial plants of conditioning, ventilation, heating and filtering; they can also be

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A centrifugal fan is a mechanical device for moving air in a direction at an angle to the incoming fluid. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction. These fans increase the speed and volume of an air stream with the rotating impellers. Centrifugal fans use the kinetic energy of the impellers to increase the volume of the air stream, which in turn moves against the resistance caused by ducts, dampers and other components. Centrifugal fans displace air radially, changing the direction (typically by 90°) of the airflow. Centrifugal fans are constant-displacement or constant-volume devices, meaning that, at a constant fan speed, a centrifugal fan moves a relatively constant volume of air rather than a constant mass. This means that the air velocity in a system is fixed even though the mass flow rate through the fan is not. Centrifugal fans are not positive-displacement devices and centrifugal fans have certain advantages and disadvantages when contrasted with positive-displacement blowers: centrifugal fans are more efficient, whereas positive-displacement blowers may have a lower capital cost. The centrifugal fan has a drum shape composed of a number of fan blades mounted around a hub.