Functionality of Centrifugal Fans

Benefit from the reliability and high efficiency of LTG radial fans

LTG centrifugal fans are continuous flow machines for conveying pure gas or solids. They are especially suitable for applications that require high pressure.

In centrifugal fans the air to be conveyed flows axially through the intake nozzle toward the centre of the impeller. The rotating impeller accelerates the air in radial direction to the outlet.

The performance of the fan is determined by the impeller design and the blade geometry. Afterwards the air exits on the discharge side of the housing.

The version with double sided intake has two radial impellers in a mirror-inverted arrangement. Air is drawn in axially from the opposite sides and exits in a single flow from the discharge side of the housing.

This arrangement provides twice the air volume at the same pressure.

A basic distinction is made between fans for conveying pure gas and fans for conveying solids. The geometry of the impeller and the materials used are adapted to the medium being conveyed.

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Centrifugal fan with single sided intake
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Centrifugal fan with double sided intake

LTG High Performance Centrifugal Fans for solving your air handling problems

The wide spectrum ranges from low to high pressure fans, including the perfect fan type with suitable Performance characteristic for any given operating point.
Besides standard models, specifically designed models for integration into existing systems are available.


  • High pressure

  • Optimum aerodynamic characteristics

  • High degree of efficiency

  • Energy-efficient drives

  • Characteristic curve with limit rating
    (no motor overload under operating conditions differing from optimum design range)

  • Quiet operation due to optimized impeller and housing design

  • Long life expectancy due to robust design

  • Wide variety of impeller designs

  • High wear protection

  • Designs for use under extreme conditions (e.g. high temperatures, aggressive media)

  • Explosion-proof models according to ATEX

  • Customer-specific solutions

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