Howden has been at the forefront of cooling fan technology for over 60 years and continues to innovate.

Our range of cooling fans consists of the D, E, SX and FPX series and deliver outstanding performance in efficiency and noise levels across a diverse set of industries from oil & gas and power plants through to light industrial manufacturing plants, datacenters, commercial buildings and industrial machinery engines.

Benefits of Howden Cooling Fans

  • Low to ultra-low noise levels to maximise output within site regulations
  • A wide range of fans to meet performance requirements with a low pressure drop of up to 250 Pa and high air flow volume of up to 3000 m3/s
  • Fans can operate within a standard temperature range of -20 up to 85⁰C and where required can be specially engineered to withstand -60 up to 135⁰C
  • Compact footprint relative to output to aid installation
  • Comprehensive aftermarket capability to ensure performance is maximised throughout the lifespan
 

The Home of our Cooling Fan Technology

Howden’s cooling fan technology serves a wide variety of applications and industries. See a short video presentation from our centre of expertise at Howden Netherlands.

D series

The D-Series is mainly used within Air Cooled Condensers, but can also be deployed within field-erected Cooling Towers. With its larger diameters, it is typically used within industries with significant cooling requirements such as power and large-scale energy facilities. Due to its diameter range it is not typically used within Air Cooled Heat Exchangers.

Features

  • Diameters from 26 feet (7925mm) to 38 feet (11582mm)
  • Six blade profiles (DNF, DLF and DVF – DNM, DLM and DVM)
  • DVF and DVM feature double hub plate (for ACC applications)
  • Between 5 and 11 blades manufactured with an integral shaft
  • Operating temperatures from -20°C (-4°F) to 65°C (149°F) as standard - extendable up to 120°C (248°F) on request

D series

D series performance chart

E series

The E-series is the choice for heavy-duty situations in vertical or horizontal mounting configurations for a wide range of applications. As the E-Series has a wide diameter range and can withstand high pressures, it can be used across Cooling Towers (field erected and packaged), Air Cooled Heat Exchangers and Air Cooled Condensers.

Features

  • Diameters from 4 feet (1219mm) to 48 feet (14630mm)
  • Three blade profiles (ENF, ELF and ELFA)
  • Between 3 and 10 blades manufactured with an integral shaft
  • Operating temperatures from -20°C to 65°C (-4°F to 149°F) as standard (extendable on request)

E series

E series performance chart

SX series

The SX-series is the preferred solution for applications with stringent noise requirements and capable of reducing noise by up to 20 dB(A) compared with standard cooling fans.

The SX-series is the ideal solution combining low noise emisions with optimal performance and can be applied in a wide range of applications. For example, Air Cooled Heat Exchangers, Cooling Towers and Air Cooled Condensers. The SXT and SXM are derived from the SX with a smaller diameter range and therefore is primarily intended for smaller Cooling Towers and Air Cooled Heat Exchangers.

Features

  • Diameters from 28 inches (710mm) to 36 feet (10973mm)
  • Three blade profiles (SX, SXT, SXM) suited to compact cooling installations
  • Blades manufactured from single piece Fibreglass Reinforced Polyester
  • Between 3 and 6 blades (SXT and SXM) and 3 and 8 blades (SX) fitted with forward swept curved, adjustable pitch blade profiles on an integral shaft
  • Operating temperatures from -20°C to 65°C (-4°F to 149°F) as standard (extendable on request)
  • Suitable for multiple configurations: vertical and horizontal, dry and wet, induced and forced draft
  • SXT models equipped with air seal technology
  • ATEX compliant

SX series

SX series performance chart

FPX Series

The FPX Series uses fixed-pitch ultra-low noise blades. Manufactured as a single piece impeller unit, offering very easy assembly and minimal maintenance, combined with ultra-low noise design. It is available in a wide range of diameters with different blade profiles and blade arrangements, to meet the specification of each low noise project.

Low noise fans offer the possibility to achieve optimum performance with respect to low noise, smaller footprint, increased efficiency and low Capex.

The FPXM combines a medium sized chord, full aerofoil blade profile with low noise and high efficiency.

The FPXM fan range reduces noise up to 14 dB(A) compared with standard cooling fans and minimizes the size of fan casings and transport cost due to the reduced chord and low weight.

The FPX series is mainly used in small standardized Cooling Towers, Air Cooled Heat Exchangers and Radiators. The FPX is also able to be deployed in Hybrid Coolers, meaning that the FPX fan can satisfy cooling demands within heavy process industries and well as HVAC-R applications.

Features

  • Ultra-low noise impellers with forward swept aero foil profile
  • Diameters from 28 inches (710mm) to 108 inches (2743mm)
  • Fixed-pitch forward swept curved blades
  • Operating temperatures from -20°C to 65°C (-4°F to 149°F) as standard (extendable on request)
  • Suitable for either vertical or horizontal, dry and wet, induced and forced draft configurations

Download our brochure for more information.

FPX series

FPX series performance chart

Direct Air Capture

Capturing CO2 from ambient air

Direct Air Capture is the process of capturing CO2 directly from the ambient air either through a recirculating fluid or through a solid sorbent. This process generates a concentrated stream of CO2 for sequestration, utilisation or production of carbon-neutral fuel.

What is Howden’s role in Direct Air Capture?

Howden provides the low pressure axial fans that would be mounted on top of a DAC tower to draw ambient air through a recirculating fluid or through a solid sorbent which traps the CO2 from the ambient air. From there the CO2 can be used or sequestered.

Download the leaflet for more information.

Direct Air Capture

Howden Select

Our Howden engineers are the finest in the world at selecting the right solution for our customers. We know that customers want to do their own selections as well though. Therefore we have taken our 160 years of engineering expertise and utilising our world leading engineers have produced software that allows you access to create your own selections.

Register or sign in to your Howden Select Account

Howden Select

Aftermarket

Howden’s aftermarket capabilities range from servicing and parts supply through to performance upgrades and retrofits. The more advanced services can maximise the life of the fans in each system as well as keep their operation aligned to the latest technical parameters. This includes fan scans to provide insight into future repair needs, blade refurbishment to extend service life and retrofits to increase cooling capacity or reduce noise.

Howden offers a free consultation to assess the potential for enhanced performance and noise reduction and can deliver selected options on a turnkey basis.

Key Services

  • Spare part supply
  • Retrofit
  • In-house fan blade refurbishments
  • Service agreements
  • Maintenance and inspections
  • Turnkey installation works
  • Supervision and turnkey project execution
  • Aerodynamic measurements, acoustic measurements and performance tests
  • Vibration Analysis, alignment and balancing
  • Troubleshooting and commissioning
  • On-site FRP fan repair

Download our troubleshooting guide and aftermarket leaflets.

Aftermarket

Manufacturing & Testing

Our expert in-house R&D department formed working partnerships with a wide range of external authorities, including universities and other institutions, to explore the optimum blade profiles, materials and mechanical configurations. We have state-of-the-art test facilities to investigate each permutation and evaluate each development.

The heart of our test facility is located in Hengelo, the Netherlands, where a full-scale test facility is located. Conveniently located at the High Tech Systems Park, the Howden Cooling Fans Competence Centre facilitates the testing and validation of all aerodynamic, mechanic, acoustic and factory repair activities. The new testing facility houses a range of assets that serve to test our latest developments in a controlled environment.

This testing facility provides a vital bridge between lab environments and real-world applications to safely test and validate our ultra-low noise axial fan technology. For example, all aerodynamic and acoustic tests are executed in a full-scale 6ft test rig, completely modelled and engineered to meet the AMCA standards. Beside this unique method, also other assessments can be executed such a full-scale mechanical and bending test. In combination with our chemical lab and our field measurements, this testing facility serves as the most valuable source for all our aerodynamic, acoustic, and reliable mechanical data, in order to provide a reliable fan solution for our customers.

Manufacturing & Testing

D series

The D-Series is mainly used within Air Cooled Condensers, but can also be deployed within field-erected Cooling Towers. With its larger diameters, it is typically used within industries with significant cooling requirements such as power and large-scale energy facilities. Due to its diameter range it is not typically used within Air Cooled Heat Exchangers.

Features

  • Diameters from 26 feet (7925mm) to 38 feet (11582mm)
  • Six blade profiles (DNF, DLF and DVF – DNM, DLM and DVM)
  • DVF and DVM feature double hub plate (for ACC applications)
  • Between 5 and 11 blades manufactured with an integral shaft
  • Operating temperatures from -20°C (-4°F) to 65°C (149°F) as standard - extendable up to 120°C (248°F) on request

D series

D series performance chart

E series

The E-series is the choice for heavy-duty situations in vertical or horizontal mounting configurations for a wide range of applications. As the E-Series has a wide diameter range and can withstand high pressures, it can be used across Cooling Towers (field erected and packaged), Air Cooled Heat Exchangers and Air Cooled Condensers.

Features

  • Diameters from 4 feet (1219mm) to 48 feet (14630mm)
  • Three blade profiles (ENF, ELF and ELFA)
  • Between 3 and 10 blades manufactured with an integral shaft
  • Operating temperatures from -20°C to 65°C (-4°F to 149°F) as standard (extendable on request)

E series

E series performance chart

SX series

The SX-series is the preferred solution for applications with stringent noise requirements and capable of reducing noise by up to 20 dB(A) compared with standard cooling fans.

The SX-series is the ideal solution combining low noise emisions with optimal performance and can be applied in a wide range of applications. For example, Air Cooled Heat Exchangers, Cooling Towers and Air Cooled Condensers. The SXT and SXM are derived from the SX with a smaller diameter range and therefore is primarily intended for smaller Cooling Towers and Air Cooled Heat Exchangers.

Features

  • Diameters from 28 inches (710mm) to 36 feet (10973mm)
  • Three blade profiles (SX, SXT, SXM) suited to compact cooling installations
  • Blades manufactured from single piece Fibreglass Reinforced Polyester
  • Between 3 and 6 blades (SXT and SXM) and 3 and 8 blades (SX) fitted with forward swept curved, adjustable pitch blade profiles on an integral shaft
  • Operating temperatures from -20°C to 65°C (-4°F to 149°F) as standard (extendable on request)
  • Suitable for multiple configurations: vertical and horizontal, dry and wet, induced and forced draft
  • SXT models equipped with air seal technology
  • ATEX compliant

SX series

SX series performance chart

FPX Series

The FPX Series uses fixed-pitch ultra-low noise blades. Manufactured as a single piece impeller unit, offering very easy assembly and minimal maintenance, combined with ultra-low noise design. It is available in a wide range of diameters with different blade profiles and blade arrangements, to meet the specification of each low noise project.

Low noise fans offer the possibility to achieve optimum performance with respect to low noise, smaller footprint, increased efficiency and low Capex.

The FPXM combines a medium sized chord, full aerofoil blade profile with low noise and high efficiency.

The FPXM fan range reduces noise up to 14 dB(A) compared with standard cooling fans and minimizes the size of fan casings and transport cost due to the reduced chord and low weight.

The FPX series is mainly used in small standardized Cooling Towers, Air Cooled Heat Exchangers and Radiators. The FPX is also able to be deployed in Hybrid Coolers, meaning that the FPX fan can satisfy cooling demands within heavy process industries and well as HVAC-R applications.

Features

  • Ultra-low noise impellers with forward swept aero foil profile
  • Diameters from 28 inches (710mm) to 108 inches (2743mm)
  • Fixed-pitch forward swept curved blades
  • Operating temperatures from -20°C to 65°C (-4°F to 149°F) as standard (extendable on request)
  • Suitable for either vertical or horizontal, dry and wet, induced and forced draft configurations

FPX series

FPX series performance chart

Direct Air Capture

Capturing CO2 from ambient air

Direct Air Capture is the process of capturing CO2 directly from the ambient air either through a recirculating fluid or through a solid sorbent. This process generates a concentrated stream of CO2 for sequestration, utilisation or production of carbon-neutral fuel.

What is Howden’s role in Direct Air Capture?

Howden provides the low pressure axial fans that would be mounted on top of a DAC tower to draw ambient air through a recirculating fluid or through a solid sorbent which traps the CO2 from the ambient air. From there the CO2 can be used or sequestered.

Download the leaflet for more information.

Direct Air Capture

Howden Select

Our Howden engineers are the finest in the world at selecting the right solution for our customers. We know that customers want to do their own selections as well though. Therefore we have taken our 160 years of engineering expertise and utilising our world leading engineers have produced software that allows you access to create your own selections.

Register or sign in to your Howden Select Account

Howden Select

Aftermarket

Howden’s aftermarket capabilities range from servicing and parts supply through to performance upgrades and retrofits. The more advanced services can maximise the life of the fans in each system as well as keep their operation aligned to the latest technical parameters. This includes fan scans to provide insight into future repair needs, blade refurbishment to extend service life and retrofits to increase cooling capacity or reduce noise.

Howden offers a free consultation to assess the potential for enhanced performance and noise reduction and can deliver selected options on a turnkey basis.

Key Services

  • Spare part supply
  • Retrofit
  • In-house fan blade refurbishments
  • Service agreements
  • Maintenance and inspections
  • Turnkey installation works
  • Supervision and turnkey project execution
  • Aerodynamic measurements, acoustic measurements and performance tests
  • Vibration Analysis, alignment and balancing
  • Troubleshooting and commissioning
  • On-site FRP fan repair

Download our troubleshooting guide and aftermarket leaflets.

Aftermarket

Manufacturing & Testing

Our expert in-house R&D department formed working partnerships with a wide range of external authorities, including universities and other institutions, to explore the optimum blade profiles, materials and mechanical configurations. We have state-of-the-art test facilities to investigate each permutation and evaluate each development.

The heart of our test facility is located in Hengelo, the Netherlands, where a full-scale test facility is located. Conveniently located at the High Tech Systems Park, the Howden Cooling Fans Competence Centre facilitates the testing and validation of all aerodynamic, mechanic, acoustic and factory repair activities. The new testing facility houses a range of assets that serve to test our latest developments in a controlled environment.

This testing facility provides a vital bridge between lab environments and real-world applications to safely test and validate our ultra-low noise axial fan technology. For example, all aerodynamic and acoustic tests are executed in a full-scale 6ft test rig, completely modelled and engineered to meet the AMCA standards. Beside this unique method, also other assessments can be executed such a full-scale mechanical and bending test. In combination with our chemical lab and our field measurements, this testing facility serves as the most valuable source for all our aerodynamic, acoustic, and reliable mechanical data, in order to provide a reliable fan solution for our customers.

Manufacturing & Testing

 
 

Howden Select

Take control of your fan selection with Howden Select. Based on our 160 years of engineering expertise and utilizing our world leading engineers our software allows you access to create your own selections.

Silencing the Soundwaves

Read our article, published in LNG Industry magazine, which explains why selecting the right cooling fans is integral to reduce noise emissions in LNG plants.

Engine Cooling

Howden’s cooling fans technology serves a diverse market from large industrial cooling to engine cooling. Read our case study highlighting how Liebherr integrated our FPX fan to support the operation of their advanced crane engines.

Condition Monitoring

Find out how Howden Uptime helped a waste-to-energy plant running air-cooled condensers (ACCs) to reduce unplanned maintenance on their cooling fans, resulting in higher efficiency and productivity.

 

Technical Library

Access and download literature, specifications, case studies and more.

Blade Refurbishment

Cooling Fan Technology Brochure

Cooling Fans for Oil & Gas and Chemical industries Brochure

Cooling Fans for Oil & Gas and Chemical industries Brochure (Spanish)

Cooling Fans for Oil & Gas and Chemical industries Brochure (US)

Cooling Fans for the Power Industry Brochure

Cooling Fans for the Power Industry Brochure (US)

Cooling Fans Sustainability Profile

Cooling System Enhancement Brochure

Direct Air Capture Fans

FPX Series

FPXM Fan

SXM Fan Leaflet

Troubleshooting Guide

Cooling Fans Installed Base and Selected References

Golden Pass LNG Plant

Low noise cooling fans for major LNG production plant.

Liebherr Cranes - Engine Cooling

Efficient, low noise equipment cooling for a world-renowned crane brand.

Silencing the soundwaves

An article, published in LNG Industry magazine, which explains why selecting the right cooling fans is integral to reducing noise emissions in LNG plants.

Twence Power Plant

Howden Uptime cost-effective condition monitoring system for cooling fans at Waste-2-Energy plant.

Connect With Us

To raise an enquiry or contact us about this product, please use the details provided or click the Contact Us button and follow the instructions. 

Head Office  +31 74 255 6000

cooling.fans@howden.nl