Centrifugal fans

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Centrifugal fans | Choosing the right fan
A fan is a turbomachine that moves air or a compressible fluid (gas) by transferring mechanical energy to it. Fans are commonly used in climatic engineering in ventilation and air conditioning systems to renew the air in a building or to remove harmful fumes (smoke, odors, vapors, etc.). Small fans are commonly used to cool electronic devices. There are two main types of fans: propeller fans and centrifugal fans. When choosing a fan there are two main characteristics...
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low-noise fan
low-noise fan
SAF-3

Rotational speed: 2,800 rpm
Noise level: 60 dB

... Don't give hearing damage a chance! The Sound Absorbing Fan (SAF) reduces noise by more than 10 dB, reducing the risk of hearing damage. The exhaust fans from the SAF series are equipped with sound insulation and designed ...

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PLYMOVENT
wall-mounted fan
wall-mounted fan
FAN-28

Air flow: 2,400 m³/h
Diameter: 200, 160 mm
Rotational speed: 2,800 rpm

... UltraFlex, Flex, T-Flex extraction arms FAN-28 is a wall-mounted extraction fan FAN-28 is especially designed to fit the large diameter (200mm) arms in our extraction arm program. By fitting individual ...

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PLYMOVENT
wall-mounted fan
wall-mounted fan
FAN-42

Air flow: 3,000 m³/h
Diameter: 200 mm
Noise level: 72 dB

... and stationary filter The FAN-42 is an extraction fan used for small welding fume extraction systems The FAN-42 is a wall-mounted extraction fan that provides extraction for plastic ...

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PLYMOVENT
centrifugal fan
centrifugal fan
MASTER CD 5000

Air flow: 2,640 m³/h
Diameter: 12 cm

... Robust and high-efficiency floor dryers with flat diffusers. Ideal for home, office, renovation work. Key features Flat diffuser Robust and durable construction Easy to use and transport Equipped with an additional socket for series connection Comfortable ...

portable fan
portable fan
N16

Air flow: 700 ft³/min

... Nederman portable Fans are simple and powerful ventilation units for service, repairs and other temporary work. Ideal as an extractor for welding fumes, steam, dust or for providing fresh air during work in confined and enclosed spaces. ...

centrifugal fan
centrifugal fan

... You'll find Delta fans, blowers and electronic devices inside most of the world's top automotive brands. From the headlights to the interior, automotive applications include seat ventilation, HVAC blowers, air purifiers, and even fans ...

floor-standing fan
floor-standing fan
AIR 5

Air flow: 21,000 m³/h

... The radial air stream fan AIR 5 is designed for vehicle cooling and prevents heat accumulation on vehicles. The universally applicable air stream blower is designed for cooling cars, trucks and motorcycles due to its ...

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MAHA Maschinenbau Haldenwang GmbH & Co. KG
ceiling-mounted fan
ceiling-mounted fan
VC

Air flow: 250 m³/h - 2,360 m³/h
Diameter: 379, 288, 453 mm
Noise level: 57, 56, 58 dB

... life / Permanent condenser. Can operate on horizontal or vertical axis. Galvanised steel plate body. Centrifugal impeller with backward-curve fan blades, fixed to rotor with dynamic balancing. Possibility of speed ...

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Aldes
duct fan
duct fan
PV series

Air flow: 548 m³/h - 1,597 m³/h
Noise level: 84 dB - 90 dB

... The design, performance and versatility of the Portavent® centrifugal ventilator make it ideal for a wide range of industrial applications – welding and other fume removal; small tank; purging; equipment cooling; confined space ventilation; ...

extractor fan
extractor fan
ECOAIR LC ECOWATT Series

Air flow: 59 m³/h
Diameter: 99 mm
Rotational speed: 3,172 rpm

... Range of 100mm domestic centrifugal extract fans for wall or ceiling installations, designed to work in accordance with two different operating modes: -Continuously running operation which can be boosted with external ...

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Soler & Palau
centrifugal fan
centrifugal fan
ED HE series

Diameter: 925, 770, 610 mm
Noise level: 70, 73, 71 dB

... coating. The patented centrifugal system controls the shutters, which remain tightly closed to prevent air leakage and block light when the fan is off. The ED36HE E-line version reduces power consumption by up to 50% ...

exhaust fan
exhaust fan
KryosRoof TSF/TSV

Air flow: 500 m³/h - 1,870 m³/h
Noise level: 52 dB - 63 dB

... The radial fans on KryosROOF provide high flow rates and heads to ensure the correct airflow within the cabinet. In addition, there is a high efficiency version with EC fans and an active control probe, ...

vertical fan
vertical fan
ZAvblue

Air flow: 19,000 m³/h

... technology. Motor concepts: External rotor motors: ECblue EC technology: with integrated controller matched to the fan AC technology ...

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ZIEHL-ABEGG
radial fan
radial fan
TD 300

Air flow: 437 m³/h
Noise level: 58 dB

... The Turbo Dryer TD 300 is especially suitable for drying hollow spaces, carpets and in case of restoring water damage. With very compact dimensions and a weight of only 3.2kg the ventilators can be transported without any problems. Key features -Radial ...

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Dantherm Group A/S
IP55 fan
IP55 fan
FBE series

Diameter: 248 mm - 628 mm
Rotational speed: 2,755 rpm - 2,950 rpm
Noise level: 70 dB - 103 dB

... The Fumex FBE is an energy-efficient centrifugal fan designed for industrial environments and suitable for both indoor and outdoor installation. It is intended for extraction of non-explosive gases, fumes and lighter ...

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Fumex
radial fan
radial fan
FTE

Diameter: 158 mm - 313 mm
Rotational speed: 2,800 rpm - 2,940 rpm
Noise level: 81 dB - 96 dB

... The Fumex FTE is a radial fan series developed for applications with high concentrations of dust-laden air. The fan housing and impeller are made of heavy-gauge steel sheet for industrial use, and the ...

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Fumex
IP55 fan
IP55 fan
C 600

Air flow: 0.17 m³/h - 0.17 m³/h
Diameter: 100 mm - 100 mm
Rotational speed: 2,800 rpm - 2,800 rpm

... The Fumex C 600 is a compact and sturdy centrifugal fan designed for smaller industrial applications. It can be installed both indoors and outdoors and is developed for the extraction of non-explosive gases, fumes and ...

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Fumex
extractor fan
extractor fan

... NESTRO fans are the heart of every extraction system - proven, efficient and durable. If the fan is installed on the raw gas side, it blows into the filter system and is referred to as an overpressure system. Noise ...

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NESTRO Lufttechnik GmbH
suction fan
suction fan

... NESTRO transport fans transport the material to be filtered, e.g. in long pipelines or in the event of high volume flow requirements. They support/relieve the burden on the extraction fans. ...

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NESTRO Lufttechnik GmbH
floor-standing fan
floor-standing fan

... NESTRO fans are the heart of every extraction system - proven, efficient and durable. If the fan is installed on the clean gas side, it sucks air through the filter system and is referred to as a vacuum system. This system ...

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NESTRO Lufttechnik GmbH
duct fan
duct fan
92 101

Air flow: 0 m³/h - 1,000 m³/h
Diameter: 160 mm

Fans are used in combination with duct on KEMPER welding smoke exhaust arms, telescopic arms and suction hoses. They are used for venting or ventilation wherever filtering the air is not important. Due to the cast silumin housing the ...

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KEMPER
duct fan
duct fan
92 215 100

Air flow: 0 m³/h - 3,000 m³/h

Fans are used in combination with duct on KEMPER welding smoke exhaust arms, telescopic arms and suction hoses. They are used for venting or ventilation wherever filtering the air is not important. Due to the cast silumin housing the ...

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KEMPER
duct fan
duct fan
921 0360 130

Air flow: 2,000 m³/h - 4,000 m³/h
Diameter: 355 mm

... Central fans are the ideal solution when large amounts of air need to be moved. They are put to use in combination with duct on welding fume extraction tables, hoods and arms. Fans are used everywhere to vent where filtering ...

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KEMPER
rooftop fan
rooftop fan
EXTRACTAIR®

Air flow: 1,000 m³/h - 35,000 m³/h

... The Extractair® is a centrifugal fan that allows the evacuation of polluted air to the workstations. Installed on the roof and connected to piping networks, it is used to: - Cleaning and air renewal; - Cooling ...

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NEU-JKF
high-performance fan
high-performance fan
Chopperline®

Air flow: 500 m³/h - 45,000 m³/h

... The Chopperline is an automatically or manually cutter bar adjustable chopper. It is the central unit of any pneumatic waste management system. It is designed to carry out two separate functions. Its turbine chops the waste into small pieces suitable ...

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NEU-JKF
ATEX fan
ATEX fan
Cobra® series

Air flow: 700 m³/h - 2,500 m³/h

... The Cobra® is a centrifugal fan designed to answer to the majority of problems of ventilation of pits, tanks, cisterns, cellars, wells, premises, processes, etc. Its great maneuverability allows it to adapt to the most ...

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NEU-JKF
mobile fan
mobile fan

... Overview
ENGMAR motor fans are designed to purify ambient air in work environments by combining a motor fan with an extraction component. Suitable for extracting air laden with dust and particles in industrial ...

ATEX fan
ATEX fan
CLD

Air flow: 2,650 m³/h - 90,000 m³/h
Rotational speed: 940 rpm - 2,960 rpm
Noise level: 51 dB - 82 dB

ATEX fan
ATEX fan
CMD

Air flow: 1,800 m³/h - 54,000 m³/h
Rotational speed: 975 rpm - 2,960 rpm
Noise level: 60 dB - 79 dB

ATEX fan
ATEX fan
HJD

Air flow: 2,950 m³/h - 42,750 m³/h
Rotational speed: 2,910 rpm - 2,980 rpm
Noise level: 64 dB - 85 dB

extraction fan
extraction fan
LSFG/MSFG series

Air flow: 400 m³/h - 4,900 m³/h

... and MSFG centrifugal fans are designed for effective extraction and ventilation in a wide range of applications. Featuring a forward-curving impeller, they provide efficient airflow for both industrial extraction and ...

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Geovent
ATEX fan
ATEX fan
LEX/MEX series

Air flow: 0 m³/h - 24,000 m³/h

... LEX/MEX ATEX fanThe LEX/MEX ATEX fans are high-efficiency centrifugal fans designed for safe ventilation in ATEX zones 1 and 2/22. Featuring backward-curved, self-cleaning impellers, it ensures reliable ...

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Geovent
extraction fan
extraction fan
LEF/MEF series

Air flow: 0 m³/h - 24,000 m³/h

... LEX/MEX ATEX fanThe LEX/MEX ATEX fans are high-efficiency centrifugal fans designed for safe ventilation in ATEX zones 1 and 2/22. Featuring backward-curved, self-cleaning impellers, it ensures reliable ...

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Geovent
high-performance fan
high-performance fan
VSB 14

Air flow: 100 m³/h - 450 m³/h
Diameter: 125 mm
Rotational speed: 1,450, 2,900 rpm

Produced completely by injection moulding.Polypropylene housing resistant to UV rays and adjustable to 8 positions. High-performance polypropylene impeller with forward curved blades, statically and dynamically balanced, incorporating a reinforced hub. ...

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PLASTIFER
high-performance fan
high-performance fan
VSB 20

Air flow: 500 m³/h - 1,600 m³/h
Diameter: 200 mm
Rotational speed: 950, 1,450, 2,900 rpm

Produced completely by injection moulding. Polypropylene housing resistant to UV rays and adjustable to 8 positions. High-performance polypropylene impeller with forward curved blades, statically and dynamically balanced, incorporating a reinforced hub. ...

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PLASTIFER
high-performance fan
high-performance fan
VSB 23

Air flow: 720 m³/h - 2,000 m³/h
Diameter: 250 mm
Rotational speed: 950, 1,450 rpm

... Extract Fan Low Pressure Produced completely by injection moulding. Polypropylene housing resistant to UV rays and adjustable to 8 positions. High-performance polypropylene impeller with forward curved blades, statically and dynamically ...

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PLASTIFER
IP55 fan
IP55 fan
EV series

Air flow: 200 m³/h - 3,000 m³/h
Diameter: 130, 250 mm
Rotational speed: 2,850 rpm

... is a single suction centrifugal fan in painted steel metal with galvanized blades, suitable for the extraction of air with low concentration of dust. The particular low air flow and low pressure allow a wide range of ...

ATEX fan
ATEX fan
AC

Air flow: 540 m³/h - 19,000 m³/h
Diameter: 200 mm - 500 mm

... Centrifugal fans with forward curved blades in galvanised sheet metal Extraction of air which is clean or with a low volume of particulates, exhaust gases, welding fumes, etc. - Structure: The structure of the extraction ...

IP55 fan
IP55 fan
RC

Air flow: 470 m³/h - 17,000 m³/h
Diameter: 250 mm - 630 mm

... Centrifugal fans with backward curved blades in thick steel sheet metal Extraction of air with a high volumes of particulate, exhaust gases, welding fumes, etc. - Structure: The structure of the extraction fan ...

floor-standing fan
floor-standing fan
AV 28 H

Air flow: 2,000 m³/h

... •High power thanks to the possibility given by hydraulic motors to give a high speed to the fan •Hydraulic motor has no exhaust so can be placed directly in closed ambient •Absence of electricity makes it implicitly safe, insensible ...

floor-standing fan
floor-standing fan
AV 28 E

Air flow: 2,100 m³/h

... the inlets in just a few moments and without the need for tools thanks to the exclusive quick eyelet system Practical centrifugal ventilator/aspirator with 230 V electric motor. Powerful and easy transportable its use is mandatory ...

floor-standing fan
floor-standing fan
AV 28 S

Air flow: 2,100 m³/h

... without the need for tools thanks to the exclusive quick eyelet system •The volute and the air fan can be washed without problems Practical centrifugal ventilator/aspirator with gasoline engine. Powerful and easy ...

fume exhaust fan
fume exhaust fan

Air flow: 2,500 m³/h
Noise level: 72 dB

... • The JustAir Fan Turbine is the ideal solution for getting exhaust fumes outside from difficult-to-reach places while saving on space. It wins people over thanks to its low headroom design and low weight. The fan is ...

floor-standing fan
floor-standing fan
ACN, ACN/T series

Air flow: 975 m³/h - 57,825 m³/h
Diameter: 10 mm - 19 mm
Rotational speed: 735 rpm - 2,920 rpm

... Low-pressure centrifugal industrial fan with forward-bladed impeller. For high flow rates of clean or slightly dusty air, fumes and vapors. Maximum air temperature: 60°C;with cooling fan 300°C. Special ...

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CORAL
centrifugal fan
centrifugal fan
AL, AL/P series

Air flow: 147.5 m³/h - 925 m³/h
Rotational speed: 2,760 rpm - 2,910 rpm

... Centrifugal fan with forward curved blades or open blades for low flow rates and medium and high heads. Suitable for exhaust gas, flue gas and granular material suction. Direct-coupled execution only. Maximum air temperature: ...

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CORAL
centrifugal fan
centrifugal fan
Pdc, PDC/T

... Centrifugal fan with open blades for medium-high pressure and high flow rates, for pneumatic conveying and suction of dusty air including sawdust, chips and filamentous materials. Maximum air temperature: 60°C. Special ...

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CORAL
ATEX fan
ATEX fan

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Coral
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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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