Engineered Fans

Howden is able to offer a centrifugal fan engineered precisely to the demands of industrial applications. This is based on a long heritage of successfully proven legacy brands, which today form the basis of our expertise and enable us to respond to customers’ requirements with the best available technology.

The range of fans cover heavy-duty applications, from medium to high flows, requiring high specification, such as API, ATEX or to meet particularly harsh air/gas content. All fans are designed to achieve maximum efficiency and deliver outstanding and reliable long-term performance.

Applications

• Forced or Induced draft (FD/ID) air within power, cement, metal processes
• Exhaust gas within cement, power, metal (sinter, coking) processes
• Main air within mine ventilation
• Air and gas flows within FGD, ESP and bag filter systems
• De-dusting within metal processes
• High-flow, medium-pressure air/gas boosting within oil and gas processes

CFI

The CFI range has evolved from the proven Howden brand designs taking into consideration product efficiency and the latest manufacturing techniques. The range offers high-performance suited for a wide variety of industrial application environments.

Design

• 8 impeller widths (3 released in phase 1)
• 6 types of blade depending on the fluid conveyed (D, B, P, L, S, T)
• 14 standard orientations, every 45
• Bolted or welded construction

Performance

• Diameter: 315 mm to 2,250 (12.4” to 88.6”)
• Flow rate: up to 115 m3/s (up to 243,671 ft3/m)
• Pressure: up to 25,000Pa (up to 36 in wg)
• Efficiency: up to 83%
• Temperature: -20°C to 350°C (-4°F to 660°F)

Download our product brochure for more information.

Aftermarket

Our service capability encompasses all centrifugal fans from own brands to those of other manufacturers.

For own fan brands we offer a complete range of aftermarket solutions from OEM spare parts, analysis and troubleshooting and general maintenance, to fully engineered upgrades and retrofits for operational performance and life extension.

Our brands include those currently available as new equipment such as Howden and Alphair, but also those acquired over the course of our 160 years of history such as:

• Buffalo Forge – originating in 1878 and acquired by Howden in 1993. Buffalo Forge fans are used across a wide range of industrial and commercial applications. Buffalo Forge fans were central to the development of modern HVAC systems, and continue to heat and cool some of the most iconic buildings in North America and around the world. Howden retains a base in Buffalo, NY as part of our North American business.
• Turbowerke Meisen – now operating as part of Howden Germany, Turbowerke has a heritage of over 100 years of fan design and production.
• Davidson/Sirocco – the forward bladed 'Sirocco' centrifugal fan was invented in 1898 by Samuel Davidson.
• Sturtevant - BF Sturtevant invented the backward-inclined bladed centrifugal fan in the late 1910s.
• Solyvent-Ventec – including product brands such as Technopal, Centripal, Covent, Aerofoil and Rotorique