Manufacturing Industry
Twin blades better. (Equipment Report).(ABB Ventilation Products PF Twinblade)(Brief Article)(Product Announcement)
World Tunnelling, August, 2001
ABB Ventilation has now introduced a completely new concept in respect of the design of axial fans; the paired blade "PF Twinblade". This new design is expected to set new standards for fan systems, not least in challenging conditions such as in tunnel applications. The design is claimed to lead to lower maintenance costs and retained efficiency for the whole life of the fan.
"Maintenance and repair of fan systems usually account for a significant part of their cost, especially in industrial environments. Conventional fan blades gradually lose their aerodynamic shape due to wear. Our new 'TwinBlade' design permits the fan to retain its high level of efficiency for the whole of its operating life," says Hakan Bard, responsible for development in ABB Ventilation...
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