CB Power Roof Ventilator

By: Oleg Chetchel


CB Fan Co. Axial Exhaust Power Roof Ventilators are factory assembled package units constructed to withstand hurricane winds. Its construction incorporates mushroom head, or hood head with bird screen, which is hinged to a box-style stack, supplied with access door. For higher capacities stack can be substituted with tubeaxial, or vaneaxial fan. Curb caps are welded to the curb side of the stack. Fan panel assembly is located near the top. Back-draft stack dampers are standard option. Disconnect safety switch is mandatory for roof mounted units.

Axial Supply CB Fan Hooded Power Roof Ventilators are offered with optional filter rack and filter package protected by bird and insect screen. Motorized back draft dampers are standard on all supply air fans. Filtered mushroom head features channel type filter racks, bird screen, hinged connection to the stack box. Special coatings are available upon request. Fan panel is of double orifice design to allow for supply / exhaust, or reverse-flow operation. Discharge diffusers are available in variety of styles.

PRV CB Power Roof Ventilators provide clear evidence of the continued leadership of CB Fan in the area of ventilating fan packages for industrial and commercial ventilation. CB Fan Co. supplies axial hooded fans covering sizea ranging from 12" to 120" wheel diameters with capacities from 2000 CFM to 200,000 CFM, and heating capacity up to 4,500,000 BTU/hr.

An exhaust fan is a mechanical ventilation device that helps to draw out stale and impure air from your home and bring in fresh air, thereby improving the quality of indoor air. Exhaust fans are typically ducted to the exteriors of your house, through which bad indoor air can effectively be removed from your living space.

Exhaust fans are very effective at any building ventilation. Without proper ventilation, the air inside your home can get filled with harmful contaminants and disease causing pathogens.

CB Fan Co. Make-Up Air Roof Ventilators are available with direct gas fired heater, or steam/hot water coil packages. Seven arangements are available for efficient control of the air flow in various modes on operation: fresh air / return air / by-passs air, in various mounting arrangements.

FRP Construction - Fiber Reinforced Polyester corrosion resistant construction is available for all CB Fan Co. hooded power roof ventilators along with protective coatings for corrosive exhaust fumes, or atmosphere, including synthetic vinyl plastic and cathalytic epoxy coatings.

Corrosion resistant construction and chemical duty construction: for corrosive environment all fans are avaialble in 304 SS, 316 SS, or 316 L stainless steel construction. Spark resistant construction is available in all aluminum construction; CB Fan wheels are made of special alloys for non-sparking airtsream construction.

Standard Buffalo fan / blower accessories include: flash / raised access door, inspection port, drain and plug, unitary base, shaft and bearing guard, belt guard, motor cover, spring vibration isolation, rubber-in-share (RIS) vibration isolation, vibrating pads, outlet damper, inlet vane damper, external inlet vane damper, evase, electrical / pneumatic actuators.

Additional information can be found at the CB Blower company web site http://cbblower.com

Oleg Chechel
Industrial Equipment Engineer
[email protected]
CB Fan Co.
http://www.cbblower.com/index.html
http://www.cbblower.com/fanblowerinquiry.html

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Oleg Chechel, Ph. D., Senior OEM and Industrial Equipment Engineer [email protected] CB Fan Co. - Fans and Blowers Sales cbblower.com/index.html cbblower.com/fanblowerinquiry.html

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