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Industrial fans are classified into propeller, tube axial and vane axial styles, and each type has different characteristics. Propeller fans consist of only a motor and propeller and therefore are the simplest. Tube axial are similar to propellers but has a venturi around the propeller to reduce the vortices. Vane axial fans are equipped with vanes that trail behind the propeller in the airflow to straighten the swirling flow.

Air moving fans and ventilators utilize power from a motor to generate a volumetric flow of air at a given pressure, and are considered low-pressure air pumps. A propeller converts torque (turning force) from the motor (typically permanent split capacitor AC induction motors or brushless DC) to increase static pressure across the fan rotor and to increase the kinetic energy of the air particles.

The flow and pressure properties are the main differences between a fan and a blower. While fans deliver air in an overall direction that is parallel to the fan blade axis, blowers deliver air in a direction that is perpendicular to the blower axis. Hence, fans can be configured to deliver a high flow rate, working against low pressure while blowers to deliver a relatively low flow rate against high pressureCanada Blower c. Centrifugal blowers can be squirrel cage type, have a forward curved wheel or a backward curved wheel.

Another major difference is in the mechanism regarding restriction to the air-flow. In a blower, it has an opposite effect on the same motor driving a fan blade. For instance, the load on the motor decreases when the motor is driving a squirrel cage blower. As the system becomes clogged, the blower speeds up. On the other hand, the load on the motor increases and the fan slows down as the airflow system becomes clogged with fan blades.

Commonly available practical methods of plants ventilation are:

* Exhaust fans or Power Roof Ventilators (PRVs).

  To do a satisfactory job of eliminating excessively hot air, it is usually essential to have powered wall and/or roof exhausters. These fans should also help to control air pressure within the building whether it be negative or positive pressure.

* Supply Fans or PRVs.

  A large number of buildings use exhaust PRVs to exhaust fumes, smoke, dust or other contaminants unavoidable in the operation of the business. As a result, these buildings are frequently under a severe negative pressure. The solution to the problem of this kind is usually found in the use of supply fans or "make-up" air ventilators.

* Air Circulators.

  If the exhaust and supply air requirements of a building have been carefully engineered and installed, and there continues to be a high instance of worker discomfort, the problem usually relates to the matter of air circulation. In this way, in addition to amximum benefit from the fresh, cooler air, occupants receive the added comfort of air circulation over their bodies and they are not adversely affected by the superheated air being exhausted from the building.

One of Buffalo Blower ore product offerings is heavy-duty fans and blowers. Both devices are designed to move large quantities of air or gas in and around industrial facilities. However, fans utilize blades to provide airflow over a large region, while blowers use impellers to accelerate and direct air toward a more localized area. Buffalo Blower types of heavy-duty fans and blowers we offer and their typical applications:

TYPES OF HEAVY-DUTY FANS AND BLOWERS

Buffalo Blower offers a broad selection of heavy-duty blowers and fans: axial and centrifugal ventilators.

AXIAL FANS

When most people hear the word “fan”, they generally imagine axial fans. Axial fans contain blades that extend radially from a central hub. As the blades spin, they draw in and force out air along an axis parallel to the axis of rotation.

The basic design of Buffalo Blower axial fans allows them to produce airflow with a high flow rate and low pressure, meaning they are generally suitable for applications that simply require moving large volumes of air from one space to another. However, the exact design and configuration of a fan may vary depending on the particular requirements and restrictions of the intended application.

Buffalo Blower offers the following types of axial fans:

Tubeaxial
Vaneaxial
Propeller
Roof Supply & Exhaust
Wall Supply & Exhaust
Duct Inline
Mixed Flow
Smoke & Heat Removal
Adjustable Pitch
Anti-Stall
Direct & Belt Drive

CENTRIFUGAL FANS AND BLOWERS

Centrifugal fans — sometimes called blowers — contain blades positioned at right angles to the central hub component. The entire fan assembly is contained within a scroll-shaped housing. This design enables the fan/blower to increase the pressure of the incoming air or gas and force it out in a different direction. Typically, the outward flowing air moves in a direction that is 90° from the direction of the inward flowing air.

Compared to axial fans, centrifugal fans generally achieve lower flow rates. However, they can provide higher pressures and establish a steadier flow. These qualities make them suitable for applications where flow and flow pressure are critical.

The performance of a centrifugal fan varies depending on the exact design and configuration. For example, centrifugal fans with backward curved blades create less air volume but more pressure, while centrifugal fans with forward curved blades achieve excellent flow and pressure but require more power.

Buffalo Blower supplies the following types of centrifugal fans and blowers:

Forward Curved Fans
Backward Inclined Blowers
Backward Curved Fans
High Efficiency Fans
Airfoil Fans
Pressure Blowers
High Pressure Fans
Induced Draft (ID) Fans
Forced Draft (FD) Ventilators
Plug Fans
Plenum Ventilators
Utility Vent Sets
Inline Blowers
Mixed Flow Fans
Fume Exhaust Blowers
Laboratory Exhaust Ventilators

APPLICATIONS AND INDUSTRIES FOR Buffalo BLOWER FANS

Heavy-duty fans and blowers find use in a wide range of industries for a variety of applications and processes. For example:

They circulate hot, cold, and ambient temperature air within equipment to facilitate process operations (e.g., drying).
They distribute clean air within the facility to prevent it from becoming hot and musty.
They ventilate areas that potentially contain hazardous compounds (e.g., chemicals, dust, and explosive agents) to avoid worker inhalation.

Some of the industries that regularly employ fans and blowers include:

Food
General manufacturing
Power
Pulp and paper
Water and wastewater

HIGH-QUALITY INDUSTRIAL FANS AND BLOWERS AT Buffalo BLOWER

Heavy-duty fans and blowers are essential components of many industrial facilities. If you’re looking for an experienced and knowledgeable supplier of ventilation products to help you identify the fan or blower that best fits your needs, turn to the experts at Buffalo Blower.

Buffalo Blower team provides design, custom fabrication, and packaging services to ensure the fan or blower solution you receive meets your application requirements. We can modify a system to meet your configuration and material needs and supply fan accessories as requested. All of Buffalo Blower fan and blower solutions meet the necessary certifications and standards for the intended application, including:

ATEX
AMCA
API
ASME
NFPA
Nuclear
ISO G2.5 and G6.3 Balance Grades
OSHA
MSHA