Centrifugal Blowers

Teral-Aerotech’s specialise in the design and manufacturers of Centrifugal Blower Fans. The centrifugal Blower Fans designs uses the centrifugal force generated by a rotating disk, with blades mounted at right angles to the disk, to impart movement to the air or gas and increase its pressure. The assembly of the hub, disk and blades is thought as the fan wheel, and sometime includes other components with mechanics or structural functions. The centrifugal fan wheel is often contained inside a scroll-shaped fan housing, resembling the shell of the nautilus sea creature with a central hole. The air or gas within the spinning fan is thrown off the outside of the wheel, to an outlet at the housing’s largest diameter. This simultaneously draws more air or gas into the wheel through the central hole. Inlet and outlet ducting are often attached to the fan’s housing, to supply and/or exhaust the air or gas to the industry’s requirements.

There are many varieties of centrifugal fans, which can have fan wheels that range from less than 3 cm to over 16 feet (5 m) in diameter.

Centrifugal fans or blowers uesd of seven types of wheels that are enclosed in a scroll shaped housing. The air enters the fan wheel through the housing inlet, turns 90 degrees and is accelerated radially and exits the fan housing.

Feature :

• Conveying material in dust collector systems or loading to silos, trucks and railroad cars
• PVC.
• Blow-off systems to remove moisture from parts prior to painting, coating or packing
• Drying ink on cans and bottles, silk screen and printing processes
• Circulating air in ovens and dryers
• Forced ventilation of AC and DC motors and traction motors.
• General ventilation of rooms or factories.
• Cooling electrical equipment or parts from heat curing ovens and kilns.
• specialised coatings are also available to suit client specifications.

Centrifugal Blower-Forward Curved :

Teral-Aerotech’s Centrifugal Forward Curved Fans/Blowers consist of Double Inlet Double Width (DIDW) and Single Inlet and Single Width (SISW) configuration. These fans have forward curved impellers with forward curved blades having special profile to give you maximum efficiency at low noise levels. These impellers are statically and dynamically balanced. The fans are suitable for various applications where high volume air displacement is required like air cooling, general ventilation, pressurization, etc., in various commercial processes and various industrial systems..

Centrifugal Blower-Backward Curved :

Teral-Aerotech’s Centrifugal Backward Curved Fans/Blowers consist of Double Inlet Double Width (DIDW) and Single Inlet and Single Width (SISW) configuration. These fans have backward curved impellers with backward curved blades having special profile to give you maximum efficiency at low noise levels. These impellers are statically and dynamically balanced. The fans are suitable for various applications where high volume air displacement is required like air cooling, general ventilation, pressurization, etc., in various commercial processes and various industrial etc.

We manufacture high quality Fans made of excellent quality raw material that ensures durability. Teral-aerotech electrical Forced Draft Fan are extensively used in industries that employ boiler systems and exhaust combustion products from boiler. FD ( Force Draft) Fan takes Suction from Atmosphere and then through Air Pre Heater ( Air Temperature Increases ), fed in the Air Force/Positive Draft in Boiler.

Force draft fan is used for Complete Combustion ( It gives Excess Air) of Fuel Coal/Oil/Bio in boiler, due to which Boiler Efficiency Increases, at the same time ESP load reduces, ID Fan Erosion reduces most important Atmospheric Pollution Reduces. Both are important in boiler Operation almost equally But both are opposite in terms of Draft are concerned.

A forced draft (FD) fan is a type of pressurized fan that gives off positive pressure within a system. It is mainly used in industries that employ boiler systems in order to promote boiler efficiency, but it has a wide range of applications. Typically, outlet and inlet dampers are utilized in order to maintain the pressure in the system. A common FD fan has a wheel at the center that hangs on a shaft along with integrated inlet boxes.

This Type Of Fan Can Be Used In Various Industries And Processes Such As:

• Energy
• Cement
• Chemical/petrochemical
• Pharmaceutical
• Control of air pollution
• Extraction of dust
• Incineration of steel parts
• Mining
• Ventilation
• Handling of fire gas.

• Low power consumption
• Robust construction
• Longer service life

• Two Stage Blowers
• High Pressure Blowers
• Low Pressure Blowers
• Medium Pressure Blowers (Backward Curved Blades)
• Medium Pressure Blowers (Self Cleaning Blades)
• Medium Pressure Blowers (Straight Radial Blades)
• High Volume Limit Load Blowers*(DIDW Type)
• High Volume Limit Load Blowers*(SISW Type)
• Plug Fans
• Induced and Forced Draft Fans

• High performance
• Longer service life
• Rust resistant

• Easy Maintainability
• Low Power Consumption
• Low Noise
• High Efficiency
• Customize Drive arrangements
• Customize Discharge directions
• High Volume Limit Load Blowers (SISW Type)
• High Volume Limit Load Blowers (DIDW Type)
• Low Pressure Blowers
• Plug Fans
• Medium Pressure Blowers (Backward Curved Blades)
• Medium Pressure Blowers (Self Cleaning Blades)
• Medium Pressure Blowers (Straight Radial Blades)
• Induced and Forced Draft Fans
• High Pressure Blowers

• Sturdy construction
• Low maintenance
• Minimal power consumption

• Solid Construction
• Dimensional Accuracy
• Compatible Parts

• Medium pressure air blower
• Lower noise
• Energy saving
• Medium pressure
• Copper or aluminium engine for choice
• Support long time working
• Support outdoor used

• Robust construction
• Longer service life
• Rust-proof body

• Easy maintenance
• Low power consumption
• Noise-free operations

• Easy to use and operate
• Low maintenance
• High performance (Efficiency)

• Rust-proof body
• High efficiency
• Minimal maintenance cost

Backward Curved Blowers also known as Radial Fans are Centrifugal Fans with Backward Curved Blades. These Centrifugal Fans provide very good cooling at high pressure conditions. The impellers of these industrial fans are highly resistant to dirt and dust. Backward curved fans are known as non over loading because changes in static pressure do not overload the motor. Its hydraulic efficiency is very high. These External Rotor Motor Fans are ideal for cooling at high pressure conditions. Low cost speed control is possible by supply voltage variation, either by electronic method or by transformer.

Teral-aerotech Backward curved centrifugal fan (BCHS) is designed to handle high air volumes at high static pressures. Used to move mostly clean air, Backward curved centrifugal fan (BCHS) industrial fan can be used as a forced draft or induced draft fan for a wide range of industrial applications.

The backward-inclined blower wheel design consists of blades that slant away from the direction of wheel travel. Teral-aerotech backward curve fans are characterized by high efficiency, high and rugged long-life construction for high static pressure applications. Teral-aerotech fans are extremely efficient, requiring less horsepower than other types of fans. A variety of standard models or custom designs are available. Custom fans are available to whatever specifications needed.

Feature :

• Air Filtration,
• Fume Contro,
• Electronic Cabinet Cooling,
• Lamp Cooling,
• Solarium Equipment,
• Roof Extract Units,
• In-Line Duct Fans,
• High Pressure Coils,
• Air Conditioning Cassettes,
• Refrigeration Equipment.

• Low power consumption
• Robust construction
• Longer service life