American Coolair Commercial Industrial Axial Wall Fans-CBA Belt Drive Sizes:18 - 20,CFM: 2,536 - 5,792,Static: Through 0.75"

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Country of OriginUnited States of America

CBA Belt Drive Wall Fans

BELT DRIVE — 2500 to 58,800 CFM 0” to 3/4” STATIC PRESSURE 

Sizes:  18 - 20 

CFM:  2,536 - 5,792 

Static: Through 0.75"

Features:

  • Licensed for Sound & Air Performance
  • UL Listed for Standard 705 (most models)
  • Die-formed steel propeller blades
  • Steel fan panel and cross-frame support
  • Epoxy finish
  • "C-Drive" unique bearing and shaft assembly
  • L10 life exceeding 300,000 hours
  • Variable pitch motor pulley (most models)

Application
Type C wall propeller fans are used for general ventilation and are designed for efficiency and economy. Suggested uses include commercial installations such as warehouses, schools, hospitals, parking garages and industrial uses such as process plants, wastewater treatment plants, and manufacturing facilities. These propeller fans are rugged and dependable and are available in a wide selection of sizes and performance. These fans can be arranged for supply, exhaust or a combination of both. (See application section for each fan type for proper selection.) These fans are offered with a wide selection of accessories to complete a well-balanced and specifically engineered air moving system. 

Construction
MATERIALS: The fan panel is fabricated of heavy-gauge steel and the uprights which support the motor and propeller are formed from heavy-gauge steel for maximum strength and rigidity. Aluminum construction is available on all CBA, CBH, CBC, and CDC models. Painted parts are coated with a thermosetting epoxy coating to provide a protective coating rated excellent for hardness, impact resistance, adhesion and chemical resistance. 

METHODS: The entire panel assembly for CBL, CBH, CBHX, and CDC units (24 and larger) utilizes all-welded construction. It is specifically engineered to provide maximum efficient air movement and quiet operation. All blade assemblies are dynamically balanced. Parts requiring painting are processed through the American Coolair five-stage pretreatment system prior to the application of any coatings to ensure maximum finish adhesion. These parts use a thermosetting epoxy powder paint with an average thickness of 3 mils and baked at 400°F to a smooth, hard, continuous finish. 

Drive Mechanism
BELT DRIVE: Available in sizes from 18 inch to 84 inch, belt driven models are designed for quieter operation and lower initial cost. They use standardly available 1750 RPM motors.

DIRECT DRIVE: Available in sizes from 7 inch to 60 inch, direct driven models require less maintenance, offer longer operating life, increased efficiency and reduced operating cost. VARIABLE PITCH PULLEYS: Most belt drive models are equipped with a variable pitch motor pulley which allows fan speed adjustment where desirable. The settings made at the factory allow the fan to operate within the maximum safe capabilities of the motor. The pulley may be opened to reduce fan speed and thus decrease air flow. If an increase in fan speed is desired, contact your American Coolair representative for information on fan performance and motor load before making any adjustment. 

Motors
The American Coolair air-over-motor design provides extra capacity and economy because it serves to dissipate heat and thus increase horsepower capability. Totally enclosed motors are standard. Several alternatives, such as explosion proof motors, energy efficient motors and severe duty motors, are available to fit your specific needs. Only nationally recognized brand motors with nationwide service facilities are used. 


Typical Specifications

Belt driven propeller fans shall be American Coolair Type CBA, CBL, CBH, and CBHX as manufactured by American Coolair Corporation, Jacksonville, Florida; specific models shall be as shown in the fan schedule. Panels and structural angle supports shall be of welded steel construction with spun orifice to provide improved performance (CBL, CBH, & CBHX) . Die formed steel blades shall be firmly attached to cast aluminum hub, which also serves as driven sheave. Fan hub shall rotate on fixed shaft using oversized sealed ball bearings. Belt load shall be applied to hub in the same plane as bearings, eliminating overhung load on bearings and increasing bearing life. Motor pulleys shall be variable pitch (except where noted below). Fans shall be licensed to bear the AMCA Certified Ratings Seal for sound and air performance. (Specify for each fan model in schedule the required CFM and static pressure; motor enclosure, phase and voltage; and accessories such as wall shutter, motor side or front guard, wall housing, etc.) 

General Features
Brand Name
American Coolair
Country of Origin
United States of America
Model Part Number
CBAXXX
Product Series
CBA
Certifications
  • UL/cUL 705
Ventilation
Type
Axial
Mechanism
Belt Drive
Mounting Type
Wall
Application
  • Commercial
  • Industrial
Airflow Type
  • Exhaust
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Data Sheet (220-15.pdf, 1,033 Kb) [Download]

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