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CINCINNATI FAN
7697 Snider Road
Mason, Ohio 45040-9135
Phone: (513) 573-1000
Fax: (513) 573-0640
sales@cincinnatifan.com

Centrifugal Fan

Airfoil Blowers: Model HDAF

contact logo Contact a Sales Engineer – over 170 across the USA and Canada to assist you

FEATURES:
  • All models available with housing and wheel widths from 50% to 100%, in 5% increments and two wheel types, to deliver the performance you need with a direct driven blower.
  • Airfoil blade wheel is fabricated of high-strength steel to assure long lasting, efficient operation.
  • Continuous welded housings, instead of lock seams, eliminate air leakage.
  • Heavy gauge steel bases, with internal bracing, maximize rigidity and assure long equipment life.
  • Blower housings can be rotated in 45° increments, on most sizes, to provide increased configuration flexibility in the field.
  • Removable inlet & drive side plates allow for removal of blower wheel or motor, or shaft and bearings on belt driven models, without disconnecting inlet or discharge connections.
  • Inlet side support assures a minimal vibration housing.
  • All fans receive a mechanical run test to assure proper balance and alignment before shipping.
  • Belt driven models include heavy-duty, grease lubricated, self-aligning, cast iron, pillow block bearings selected for optimal performance.
  • Fan shaft on belt driven models is turned, ground and polished and receives a high quality rust preventative coating prior to shipment.
  • Arrangement 8 units come standard with shaft/coupling guard.
  • Arrangement 9 and 9CB units come standard with belt guards.
  • Arrangement 10 units come standard with weather covers.
  • All models available with AMCA Type C, spark resistant construction. For AMCA Types A or B spark resistance, see Model HDBI Backward Inclined Blowers.
BENEFITS:
Benefits of Model "HDAF" Airfoil Blowers are:

INCREASED EFFICIENCY: Airfoil wheels provide the highest efficiency of all centrifugal fan designs. The static efficiency of an airfoil wheel versus a backward inclined wheel can easily exceed 10%. This benefit results in lower brake horsepower consumption and a reduction in sound levels of 2-6 dBA. Less expensive to operate and quieter.

MULTIPLE WHEEL SELECTIONS: Each size and class is available in multiple widths from 50% to 100%, in 5% increments and two wheel types, to deliver the exact performance you need with a direct driven blower. Complete design flexibility.

RUGGED CONSTRUCTION: Housings are heavy gauge steel and are continuously welded to prevent leakage. Fan bases are 7 and 10 gauge steel with internal bracing to prevent pulsation at all conditions. Less field problems.

ROTATABLE HOUSINGS: Most models have housings that can be rotated in 45° increments in the field. Allows for field conversion without replacing the blower.

EASE OF MAINTENANCE: Replacing a wheel or motor, or shaft and bearings on belt driven models, is easily accomplished without disturbing the inlet and/or discharge connections. Minimizes extended down time.

QUALITY COMPONENTS: All belt driven models have self-aligning, cast iron, grease lubricated, pillow block bearings sized for a minimum 150,000 hours average life. All fan shafts are turned, ground and polished and are coated with a high quality rust preventative before shipment. Long dependable service.