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Centrifugal fans

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Sizes (Wheel Diameters)

8.85 to 39.37(225 mm to 1,000 mm)


Air Flow to 58,823 CFM (100,000m3/hour)

Total Pressure to 5.2 inches w.g. (1300 Pa)


The DIDW Forward Centrifugal Fans is designed to handle large volumes of relatively clean air at low to moderate pressures.

Wheels are constructed of steel using flat single thickness blades, solid welded to the rim and backplate. The inlet-side rim is designed as a proper companion for the inlet cone. All wheels are statically and dynamically balanced to grade 4.5 class for smooth operation prior to being assembled in the fan, followed by final balance of the entire rotating assembly.

All fan housings are continuously welded and reinforced with rigid bracing to increase structural integrity. The support angles are intermittently welded and caulked between welds to prevent bleed-through corrosion.