Air-Cooled Condensing
Units
Air Turnover Units
Axial Upblast Roof
Ventilators
Cartridge Dust Collectors
Cast Aluminum Blowers
Centrifugal Fans
Centrifugal Roof
Exhausters
Cyclone Dust Collectors
Electric Unit Heaters
Evaporative Coolers
Exhaust Stacks and
Chimneys
Explosion-Proof Unit
Heaters
Fiber-Handling Fans
Fiberglass Fans
Fiberglass Roof Exhausters
Gas Direct-Fired Makeup
Air Units
Industrial Exhausters
Intake Louvers
Propeller Wall Fans
Silencers
Terminal HEPA/ULPA Filter
Modules
Turbo Pressure Blowers
Unit Heaters
Wetpacked Bed Scrubbers
 
by Twin City Fan & Blower and American Fan
 
Backward inclined and airfoil SWSI & DWDI fans are offered by both American Fan Company and Twin City Fan & Blower in all standard arrangements.
 
Twin City Fan & Blower American Fan Company
   
Size 122, 12" through 982, 98" Size 122, 12" through 660, 66",
SWSI and DWDI to size 445
600 cfm through 415,000 cfm Class I, II, and III
Class I, II, III and IV 576 cfm through 140,000 cfm
 
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BAF, BACKWARD INCLINED AIRFOIL, SWSI & DWDI
 
  SIZES: 12"-98" Wheel Dia. CLASS: I, II, III & IV

PERFORMANCE: 700 to over 500,000 CFM to 40" SP.

APPLICATION: Airfoil fans are non-overloading high-efficiency type designed for general ventilation, air conditioning systems, and high pressure processes where clean air is common.
Bulletin 300, 305
 
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BC, BACKWARD INCLINED FLAT BLADE, SWSI & DWDI
 
  SIZES: 12"-98" Wheel Dia. CLASS: I, II, III & IV

PERFORMANCE: 700 to over 500,000 CFM to 40" SP.

APPLICATION: The BC fans are also non-overloading designed for similar applications as airfoil, but more suitable for higher temperatures and humid applications.
Bulletin 300, 305

Both BAF and BC fans are available with a complete list of accessories such as inlet vanes, damper, inlet screens, belt guards, spark proof construction, etc. Also, alloy materials such as 304, 316 stainless steel, monel, and aluminum are available.

BC and BAF fans are licensed to bear the AMCA Certified Ratings Seal for Air & Sound.

 
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TSL TUBULAR CENTRIFUGAL, INLINE
 
  SIZES: 12"-89" Wheel Dia. CLASS: I, II, & III

PERFORMANCE: 1670 to over 222,000 CFM to 13" SP.

APPLICATION: The TSL fans use an airfoil wheel for quieter operation for supply and exhaust where space is limited.
Licensed to bear the AMCA Certified Rating Seal. Bulletin 1001
 
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FCJ, BCJ BELTED VENTILATING SETS
 
  SIZES: 7"-10" Wheel Dia.

PERFORMANCE: 260 to 2,176 CFM.

APPLICATION: Normally employing a low speed forward curved wheel, these small packaged fans are used for a variety of applications in restaurants, laboratories, and restroom ventilation. Bulletin 551
 
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BCV, FCV, BELTED VENTILATING SETS
 
  SIZES: 12"-36" Wheel Dia. CLASS: I & II

PERFORMANCE: 650 to over 30,000 CFM to 8" SP.

APPLICATION: Backward curved type BCV and forward curved type FCV packaged sets are designed to supply and exhaust air in hospitals, hotels, schools, fume hoods, etc. Weather covers are available for protection of motor and drives for outdoor applications. Also available with airfoil wheels designated as ACV (see Bulletin 300). Licensed to bear the AMCA Certified Rating Seal. Bulletin 600
 
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SSI SQUARE INLINE FAN
 
  SIZES: 12"-36" Wheel Dia.

PERFORMANCE: 260 to 28,000 CFM to 41/2" SP.

APPLICATION: The SSI's unique inline airflow design provides universal mounting arrangements, high static pressure capability and efficient operation in a compact unit. It is most often used in HVAC systems. Bulletin 1050
 
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PSF PENTHOUSE SUPPLY FAN
 
  SIZES: 12"-36" Wheel Dia.

PERFORMANCE: 800 to 48,000 CFM to 5" SP.

APPLICATION: The fan is a roof-mounted centrifugal supply fan designed to provide filtered outside air to buildings such as manufacturing plants, warehouses, and auditoriums. Bulletin 2000
 
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DDF DIRECT DRIVE VENT SETS
 
  SIZES: 6"-10" Wheel Dia.

PERFORMANCE: 250 to 4,200 CFM.

APPLICATION: These small fans are used for general exhaust of washrooms, exhaust hoods, restaurant counters, and a number of other applications where space is limited.
Bulletin 551
 
 
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