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Backward Inclined DWDI

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Dual Width BC Plenum Fans

The New York Blower Company’s Double-Width AcoustaFoil Fans combine the efficiency of its airfoil wheels with construction features to suit industrial supply and exhaust systems as well as heating, ventilating, and air-conditioning applications. A wide range of accessories is available to tailor DoubleWidth AcoustaFoil Fans to each unique application. The state-of-the-art laboratory and design and manufacturing facilities of The New York Blower Company ensure that Double-Width AcoustaFoil Fans provide the utmost in equipment value.

The Backward Inclined DWDI includes construction features for strength, durability, & smooth operation including: 

  • Heavy-gauge welded components provide structural strength and durability.
  • Continuously welded housings provide the strongest possible construction.
  • Bearings are selected to provide long service life through the entire operating range of the fan.
  • Standard finish is a medium-green enamel.
  • Shafting is straightened to close tolerance to minimize “run out” and ensure smooth operation
  • Lifting eyes are standard on all fans.
  • All Double-Width AcoustaFoil wheels are dynamically balanced and all fans are checked at the specified running speed after final assembly.
  Backward Inclined DWDI PDF Brochure
Wheel Design: Backward Inclined-Airfoil
Wheel Design

backward inclined wheel design

Backward Inclined- Airfoil: Aerodynamic airfoil-blade is the most efficient design with the lowest sound levels for clear air applications. 

Design Features:

VOLUME - to 350,000 CFM (594,700 m3/hr)
PRESSURES - to 14" WG (3,490 Pa)
TEMPERATURES - to 120°F (49°C)
20 SIZES - 10"-73" (254mm-1,854mm)
ARRANGEMENTS - 3, 7

Available Materials of Construction:

Carbon Steel
Stainless Steel
Aluminum
Special Alloys

Product Bulletin: Double-Width AcoustaFoil Fans (141)
Guide Specifications: Specifying Double-Width AcoustaFoil Fans (GS-142)
Installation, Operation & Maintenance Manual: IM-100
Material Specifications: DWDI_Dims.pdf
Similar Products

Backward Inclined Single Width Class 1-3 Fans (For Lower Pressures)
Plenum Fans (For Higher Pressures )

Fan-to-Size Online:

Backward Inclined Double Width Fans

Online Drawings:

Class I-III DWDI

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