Centrifugal fans

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U.S. Air Filtration Inc., stocks and supplies fans and impellers for a variety of industries and customers. Our full line of...

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6 models, up to 1500 m/hr in Ø 315 mm.
Body made of galvanized...

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UL/RoHS 250mm ac external rotor motor rectangular fan/inline centrifugal fan

Inline centerifugal fan consists of housing, impeller, motor, base and connection box. Galvanized sheet steel...

Rectangular duct fans are the most popular choice for ventilation purposes in small and medium size houses, bath rooms and kitchens...

Inline duct fan is designed with function for Direct Exhaust, Direct Intake, Air Pressure Boosting in the ducted system. The Fan is specially designed for using in extensive ventilation system in premises such as warehouses, plants, multi-storey...

Inline centrifugal fans are the most popular choice for ventilation purposes in small and medium size houses, bath rooms...

Inline centrifugal fan is designed with function for Direct Exhaust, Direct Intake, Air Pressure Boosting in the ducted system. The Fan is specially designed for using in extensive ventilation system in premises such as warehouses, plants, multi-storey buildings,...

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The K-Box ventilators are duct type ventilators used in kitchens, restaurants, bars and canteens due to their specific construction.

Isolation of electric motor area from the rotor area enables using the...

M-Box ventilators are intended for general ventilation in rooms occupied by people. Operating environment is air of humidity...

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A wide selection of corrosion-resistant centrifugal exhaust fans is available to handle...

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Andrews Ventilation hire offer a fast & friendly service covering all your ventilation rental requirements.We offer cooling...

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AF Airfoil Single Wide

Wheels have aerodynamically shaped blades providing non-overloading, highly...

BISW Backward Inclined Single Wide

Wheels have flat, backwardly inclined, single thickness blades. Non-overloading...

Wheels have flat, backwardly inclined, single thickness blades Non-overloading high efficiency design used...

A variety of wheel designs listed below are used for moderate pressure, clean air,
industrial processes and for...

IRF (Flat Back Plate) eliminates material buildup around blades
Sizes:...

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Centrifgual Fan
Sheet steel housing with balanced impeller,...

Conveyance Fan
Sheet steel housing with open impeller...

Open Impeller Fan
Steel impeller with backward curved blades mounted...

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A large selection of outlet positions, casing geometries, casing thicknesses and materials is available for the various fan types. The following is a description of the...

All fan curves relate to single stage fans. The standard fan curves are measured on a standard...

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Backward Inclined Fans.

Backward Inclined FansBackward Inclined Centrifugal Fans – for applications where the highest efficiency and lowest...

Backward Curved Aerofoil Fans

Backward Curved Aerofoil Fans Backward Curved Aerofoil Centrifugal Fans – suitable for...

Paddle Blade Centrifugal Fans – The paddle blade range of fans are designed to handle heavy dust loadings. The self-cleaning...

High Pressure Blowers Centrifugal Fans – for applications where...

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Centrifugal medium and high-pressure fan. Directly coupled motor.
Use: also for the suction of very dusty air.
The fans of this...

CHARACTERISTICS
V = 780?800 m3/h
Pt = 430?70 kg/m2

High-pressure centrifugal fan like APR. Coupling by means of belts.
Use: for the suction of clean and dusty air. These types of high pressure fans are characterized...

Use: also for the suction of very dusty air.
The fans of this series are particularly suitable for pneumatie conveyances, in cement factories, in the...

CHARACTERISTICS
V = 7.500÷24.000 m3/h
Pt = 2.600÷4.650 kg/m2

Extra high-pressure centrifugal fan. High efficiency reverse-blade impellers. Double stage, with connection duct. Double-extension motor, directly coupled.
Use:...

Low and medium-pressure centrifugal fan. High efficiency and low-noise reverse-blade impeller. Directly coupled motor.
Use: for sucking in very dusty air containing various types of materials in suspension. The main feature of these types of fans is the association of high output (deriving from the...

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The wide range of our axial fans has been designed to answer any performance need.
For special executions (products in stainless steel, high temperature resisting properties, particular applications) please consult our Sales and...

Centrifugal fans suitable for clean or high dust content air in pneumatic conveyance plants or for combustion air of gas burners. The fans are normally used in the mills, pasta factories,...

Centrifugal fans suitable for clean or low dust content air in pneumatic conveyance plants. The fans are normally used in the mills, pasta factories, in metallurgical, iron and chemical...

Centrifugal fans with direct control by means of a semi elastic joint, suitable for the conveyance of fumes and dust mixed to the air and in other applications requiring high capacities and medium and high pressure. This series has been...

Centrifugal fans for non humid clean or low dust content air and fumes conveying, suitable for suction and ventilation...

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Polymer fans for processes with aggressive gases. The fans are made of various compounds such as PP...

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FEATURES
Centrifugal aspirators suitable for explosive atmospheres. They are ideal for air and fumes expulsion in medium...

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YHP/N series High Pressure Industrial Centrifugal fan

High-efficiency backward blades impeller.
Direct-coupled...

YVR/N series Low Pressure Industrial Centrifugal Fans

High-efficiency...

YTK/R series Low Pressure Centrifugal Industrial fan

Open blades radial...

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How to choose this product

centrifugal-fan

Centrifugal fans have a spiral shape, their turbine displacing air by centrifugal force. The suction inlet is axial and the outflow is radial. They are common in public and industrial facility ventilation.

Applications

These devices are used for ventilation, heating and air conditioning, for supplying air to ovens and for tunnel ventilation. Different models exist for clean, dusty, dry, humid or corrosive air.

Technologies

Such fans are composed of an inlet device, a paddle-wheel turbine, a streamlined spiral case (the scroll) and a base. The inlet and the turbine can have single or double intakes. Fan geometry can favor either flow or pressure.

A forward curved impeller has blades curved in the direction of fan rotation. Straight radial blades are self-cleaning and relatively unaffected by dust and humidity, but are comparatively less efficient. If the concave side of the blades faces away from the direction of rotation, it is a backward curved impeller.

The motor coupling is usually direct and fixed-speed. It also can use variable-speed V-belts. Fans are carefully designed to achieve optimum stability and minimum noise. They are made of aluminum or of stainless steel. The blades are welded or bent.

How to choose

Consider the characteristics of the air to be moved and the required airflow rate or air pressure. Load curves can help determine the technical parameters necessary for fan dimension calculations.

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