Industrial Blower Fan Ventilation System

This article will discuss options for improving energy efficiency when designing an HVAC system and selecting a fan. HVAC design engineers face many choices throughout the planning process, perhaps few as crucial as that of fan equipment, a principal consumer of energy.

Industrial Blowers & Fans Flow Rates

Flow rates are predetermined based on space type and occupancy. Although local codes determine minimum requirements for HVAC systems, ASHRAE Handbook – HVAC Applications provides general design criteria for various commercial and public buildings. These criteria include air movement, room circulation, noise, and filter efficiency. Although all are important, room circulation, in air changes per hour, typically determines airflow requirements. Because flow rate is driven by design criteria, a design engineer’s primary means of reducing energy use is to minimize the static pressure needed to move air through a system.

Air Movement and Control Association (AMCA) International defines system pressure loss as “the sum of the static-pressure losses due to friction, shock, dissipation of velocity pressure at the system discharge, and the static-pressure differences between the entry and discharge openings of an air system. The static pressure a fan must overcome is dependent on many variables, only some of which the design engineer can control. The location of equipment often is determined by the architect and, therefore, limits the engineer’s options.

Blowers and Fans Duct Configuration

Duct configuration and fittings used to connect components are large contributors to static pressure. Other sources of system pressure loss are balancing and control dampers, variable-air-volume (VAV) boxes, diffusers, louvers, coils, filters, and other components in an air stream. Given that velocity pressure is proportional to the square of velocity, pressure loss in most of these components is proportional to velocity squared. This makes size an important factor, as cross-sectional area dictates fluid velocity. For example, reducing air velocity throughout a system by 10 percent would result in a 20-percent reduction in system static pressure. With air power proportional to pressure, this would equate to a 20-percent reduction in energy consumption.

In addition to accounting for all static-pressure loss in a system and achieving required room airflow, a design engineer must adhere to Section 6.5.3 of ANSI/ASHRAE/IESNA Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings, which limits the power (horsepower) a fan can consume per cubic foot per minute of airflow the fan generates. With flow requirements defined, a design engineer must limit system static pressure to meet this power limitation.

System Effect and Industrial Fans and Blowers

A major contributor to energy consumption that often is ignored is system effect. AMCA International defines system effect as “a decrease in fan performance capability, observed as a pressure loss, which results from the effect of fan-inlet restrictions/obstructions, fan-outlet restrictions, or other conditions influencing the performance of the fan when it is installed in a system.”2 System effect is a reduction in a fan’s ability to generate pressure and can be looked at as an additional system pressure loss. It can lead to underperformance, excessive noise, and vibration in a fan and system.

System Effect and Fan Curves

System effect can be described by its impact on a fan curve. Fan curves are produced from laboratory testing, with fans configured for ideal installations. Testing is performed in accordance with ANSI/AMCA Standard 210-07/ANSI/ASHRAE Standard 51-2007, Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating. A fan curve displays performance for a constant speed (revolutions per minute) in terms of static pressure vs. volumetric flow rate. In Figure 1, the intersection of the system-resistance curve and the pressure curve is the operating point of the fan. To move along the system curve to alter fan performance, one must increase or decrease fan speed accordingly. Operating power is where the power curve intersects with a vertical line running through the operating point.

Ideal Industrial Blower Fan Inlet & Outlet Conditions

The ideal inlet and outlet conditions under which fans are tested rarely are seen in the field. As a result, a fan will overperform or underperform in terms of flow rate, static pressure, or both. In Figure 2, a suitable fan was selected, but system effect was ignored. The blue lines represent how the fan would perform under AMCA International test conditions. Actual measured performance is indicated by the red dot. The red line shows how the fan would perform in an AMCA International air test when operating at design speed, but takes into account system effect. The only way to achieve the desired performance is to speed the fan to the rate designated by the green line. The consequence is a higher operating speed, higher brake horsepower, and higher sound levels.

Propeller Fan & Tube Axial Fan Selection

Another key to reducing power consumption is fan selection. Generally, propeller or tube-axial fans are more efficient for relatively low static pressures, while centrifugal-type fans are used for relatively high static pressures. Too often, fan selection is based solely on first cost. The consequence is that a relatively small-diameter, high-speed fan is used. A small fan operating at a high speed generally requires more operating power and produces more noise than a large fan operating at a low speed.

Most of the energy lost in a system is converted to heat. For example, mechanical and electrical energy losses in a fan motor raise the surface temperature of the motor. If the motor is in an air stream, the heat will be transferred directly to the air.

Belt Dive Propeller Fans and other Blower Fan Systems

In a belt-driven system, losses are the result of belt friction, slippage, and / or flexing. All such losses are converted to heat and, if the belt drive is in an air stream, increase the temperature of air. Fan losses quantified by fan efficiency contribute to air-temperature rise as well. As a fan works on a fluid, the friction attributed to the airflow decreases the fan’s efficiency and creates heat. As the efficiency of a system decreases, air-temperature rise increases. In a cooling application, this means increased energy consumption on the part of the compressor. Minimizing inefficiencies results in energy savings. It is the engineer’s responsibility to minimize total system pressure through proper design and layout. This involves balancing economics and efficiencies in specifying a fan. But not all responsibility resides with the engineer. The contractor must ensure appropriate equipment is installed and not base decisions solely on the lowest bid. The contractor needs to be aware of the consequences of poor installation and minimize system effects.

The losses accrued in a system directly affect the system’s power consumption while indirectly increasing the energy consumed by other processes. Energy losses in the form of heat equate to higher operating costs.

Because performance conditions are mandated by codes, proper system design, equipment selection, and installation are the most effective means of minimizing inefficiencies and saving energy.

Additional information can be found at the Northern Industrial company web site http://www.northernindustrialsupplycompany.com/products/air_handling_units.html

Oleg Cthetchel
Canadian Ventilation HVAC Engineer
Northern Industrial Co.
asap@buffalofan.com
http://www.northernindustrialsupplycompany.com/request.html
http://www.northernindustrialsupplycompany.com/outside/request2.html

Ventilation Systems Engineering

asap@buffalofan.com

northernindustrialsupply

northernindustrial

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northernin

northernindustrial

nisco@primus.ca

***

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Industrial Blower Fan System for Ventilation

If relatively straightforward breeze conditioning system is possible, the rate of air velocity method outlined above should be the basic method used. However, there may be rooms or areas within the building that will require special treatment. If so, one of the other methods, such as spot cooling or zone cooling, may be combined with the basic method to achieve the over-all objectives.

Exhaust Fans

Air circulators may be effectively used to boost air velocity through large buildings that have a flow pattern difficult to control. Air circulators are also used to redirect air into occupied areas near floor level. Air circulators are also effectively used in locations where adequate exhaust and supply air fans may be lacking. Air circulation alone may provide heat relief and cooling comfort to individuals in the area. Northern Fan’s Type CABL fan is ideally suited to this application. For many installations, fans like this may be positioned 8′ to 10′ above the floor and at approximately 50′ intervals to obtain a continuously circulating column of air across a room or building. To broaden the column of air, fans should be located abreast of each other 15′ to 20′ apart. Fan locations and positions are easily adjusted to the requirements of the area.

Although an accurate, intelligent calculation of the required air volume for a breeze conditioning system has been made, there are practical limitations in most buildings that may seriously affect the final results. By giving these limitations proper consideration in the planning stage, the system can usually be modified to compensate for them. Some of the more common limitations are listed here.

Effects of Partitions on Industrial Blower Fans

It is obvious that interior partitions restrict and interrupt the flow of air through a structure. The effect of these partitions on the system must be analyzed and solutions found. In buildings with very high ceilings. the cross-sectional area factor may become unrealistic in calculating the required air volume. In most instances, inexpensive baffles can be installed across the building width to reduce the effective cross-section to an area 10′ or 12′ above floor level. Machinery, raw materials and finished goods that obstruct air circulation. These obstacles, like interior partitions, must be considered and methods worked out to overcome the problems they create to the proper circulation of air through the structure. Frequently, the location of heat-producing machinery will seriously interfere with the preferred pattern of air circulation. This situation can destroy the effectiveness of the system. An alternative plan to overcome the problem is essential.

Ceiling Heights and Industrial Fans

Another limitation of the very high ceiling or roof is the difficulty of maintaining the air velocity near floor level. The baffle method just described is usually the best way to reconcentrate the air flow along the floor level where it will be effective in providing personnel comfort. In large buildings, baffles may be required at l00-foot intervals to keep air flow near the floor level.

Industrial Fans & Blowers Layout

Operations within the area frequently require wall openings or loading doors that will drastically interfere with the desired airflow pattern. In some cases, individuals may open windows that should remain closed to maintain effective air circulation. A remedy for each of these problems is required. For maximum efficiency and economy, a good layout will avoid the restricted intake opening. The type of exhaust equipment normally utilized is most economical and efficient if static pressure in the system is 1/8″ or less. To obtain this condition, air velocity through intake openings should not exceed 1,000 feet per minute, a lower figure is usually desirable.

Additional information can be found at the Northern Fan web site http://northernindustrialsupplycompany.com/products/ventilators.html

Oleg Cthetchel
Air Process Systems Engineer
airknife@cogeco.ca
Northern Fan Co.
http://northernindustrialsupplycompany.com
http://northernindustrialsupplycompany.com/burlington/request6.html

Practical Ways of Ventilating

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canadablow

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Industrial Blowers, Fans and Ventilation

In almost any building or room used for commercial and industrial operations, it is quite likely that there are recurrent conditions that cause personnel discomfort. This is particularly true unless an expensive system for the circulation of refrigerated air (air conditioning) has been provided. In mild to hot weather, the discomfort of individuals is generally due to the build-up of intense heat within the structure. This becomes a severe problem in summer because the sun load on the building is added to the normal sources of heat build-up within the building. Most buildings have sufficient ventilation to remove smoke and fumes detrimental to health. However, it is unlikely that that system contributes very much toward the comfort of the individuals who occupy the mom or building.

Industrial Blowers and Fans for Ventilation

Humans are warm blooded animals whose normal body temperature is 98.6° Fahrenheit. However, we are most comfortable when the air temperature around us is in the 72°-to-78° range. If there is air motion around us, the effect of “wind chill”, or evaporative cooling, enables us to feel comfortable in a much higher air temperature. As the natural air temperature in most non-air conditioned buildings is much warmer than outside air temperatures, the problem of keeping humans comfortable is primarily a cooling problem. Of course, this is not the case in periods of very cold weather. Our purpose is to discuss the environmental problems that frequently exist in periods of moderate to hot weather. An effective, economical solution of these problems is vital to the success of any business.

Proper Industrial Fan Ventilation

If an individual is to produce maximum results, he must be allowed to function in an environment as nearly ideal as can be provided. In fact, the benefits in terms of efficiency and productivity can be substantial. Failure to provide a comfortable environment can be very expensive in terms of errors, work slow-down, complaints, absenteeism, etc. If the major factor is a hot, humid atmosphere, which may include smoke, dust, fumes or other irritants, a practical and effective approach to the problem is available. To obtain a reasonable degree of personnel comfort in hot weather, there are three basic factors that should be provided for in the ventilation and cooling system of a commercial or industrial building.

How to Remove Superheated Air Using Industrial Blowers & Fans

When the air temperature in the occupied area of a room or building exceeds 78° to 82°; most individuals begin to feel uncomfortably warm. The first step toward controlling the problem is to provide for the removal of excessively hot air from the building. This superheated air frequently mixes with the air in cooler areas of the building to produce an overall temperature increase. As superheated air is frequently localized around heat-producing machinery, it should be exhausted from the building near its source. This will prevent some undesirable air temperature increase in other areas. As a rule, outside air temperatures are considerably cooler than those inside a building. As superheated air is exhausted, provision should be made to replace it with fresh, cooler, outside air. Exhaust air in many areas of a building may have a temperature of 125° to 150°. This is usually the case where heat-producing machinery is in use. Similar air temperatures frequently occur near the roof or ceiling where rising warm air is trapped and further heated by the sun load on the roof. When this high temperature air is replaced by outside air, a substantial improvement in the average air temperature of the building results. Even where outside air temperature may be in the 80s or 90s, invariably it is 15° to 20° cooler than the air it replaces. This is a very important improvement to the individuals affected.

Industrial Blower Fan “Breeze Conditioning”

A very effective way to overcome the discomfort of a hot, stuffy room is to create a breeze. Before refrigerated air systems were invented, mechanical fans of every description were used to provide air circulation. The circulation of air over a person’s body immediately causes a cooling effect on the skin. When air is passed over a moist surface, it will evaporate some of the moisture and thus lower the temperature of the surface. This is precisely what occurs when air circulates across the human body.

By creating a gentle breeze throughout a room or area, a great deal of cooling comfort is provided for individuals who must work there. This pattern of air circulation is called “breeze conditioning” by Canada Blower engineers. It is effective even when the air temperature may be 85°’ to 95°. When this air circulation is achieved in combination with the factors mentioned in the paragraphs above, a very effective and practical solution is provided for the problem of personnel discomfort in hot weather.

For additional information please refer to http://canadablower.com

Susan Terlitski
Industrial Process Engineer
canadablower@canadablower.com
Canada Blower
http://www.canadablower.com/hvac/index.html
http://www.canadablower.com/oem/index.html

Commercial Building Ventilating

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buffaloblowercom

buffaloblo

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High Temperature Blowers

Northern Industrial Co. offers new temperature blowers and fans for various industrial applications to 2200 F. This was achived by using extremely high strength stainless steel alloys for the fans impellers, that allow for higher safe speeds at elevated temperatures.

The Northern Industrial high temperature oven fans line now include:

Operating up to 2200 F, centrifugal, axial and plug fan types;
Pre-engineered and custom made fans for all types of applications with variety of impeller types and accessories;
Canada Blower engineers provide a professional advice and recommend a right fan for every application & oven / plenum design;
The fan offering provides competitive replacement fans to Garden City, Lau, IGE, Alloy Fabricating fan models; repairs, re-build & balancing;
Unique high temperature water-cooled motors for operation up to 2300 F.

High Temperature Blowers & Fans

Fans with ambient air cooling systems handling hot airstreams must have sufficient airflow and be kept in operation until airstream temperatures cool below 120 F to prevent damage to the fan unit. The Tubeaxial fan ambient air cooling system is only effective while fan is operating.

There are two major types of high temperature fans – centrifugal and axial:

Centrifugal Wheels:

Multiblade forward curve wheel. This type of wheel is usually specified where there is a necessity for large volumes of flow against low to medium static pressure requirements. The forward curve blade is that it delivers the same volume of air as either the backward or radial blade wheel, at a lower fan speed, which is important due to wheel stresses at elevated temperatures. This fan is the most common type used in all types of heat treatment operations except where a buildup of material on the blades could occur, as wheel unbalance would result.
Radial Blade, paddle wheel type fans. This type of wheel is usually specified where there is a necessity for medium volumes of flow against medium to large static pressures. The paddle wheel is considered a self cleaning type of wheel. It could be used where there are various materials or dust in the air stream. Due to its structurally strong design, it is used in many heat treatment applications at very high temperatures where maximum fan longevity is desired.

Axial Blade Wheels:

The axial blade wheel is usually specified where there is a need for very large volumes of flows against low static pressure. Axial wheel like the multi-blade forward curve type wheel could cause an axial fan to deliver different air volumes at the same static pressure, if the total pressure requirement of the fan system was underestimated. This type of fan is ideally suited where a large volume of flow is required with a minimum of duct work and is used extensively for small and large furnaces, such as aluminum annealing.

Fans handling hot airstreams must have sufficient airflow and be kept in operation until airstream temperatures cool below 120 F to prevent damage to the fan unit. The Tubeaxial fan ambient air cooling system is only effective while fan is operating.

For additional information please refer to http://northernindustrialsupplycompany.com/index.html.

Oleg Cthetchel
Canadian Process Design Engineer
Northern Industrial Co.
http://northernindustrialsupplycompany.com/products/industrialfan_blowers.html
http://northernindustrialsupplycompany.com/manufacturers.html

Engineering of high temperature fans and blowers for operating up to 2,200 F.

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fan@cogeco.ca

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Industrial Blower Fan Ventilation

Aeration involves moving air through either a solid or fluid medium bed and is used for various purposes. Depending on specific material being aerated, our fans are utilized for moisture control in applications such as grain bin storage, and also provide oxygen and control moisture/temperature in composting applications. Due to varying environmental conditions, fans used in aeration systems often require special construction such as fiberglass, alloys and specialty coatings.

Industrial Fans for Ventilation

The treatment of wastewater can result in a variety of unwanted and hazardous gases, such as H2S and SO2. As the application specialists, Northern Fan has the expertise needed to supply the proper air moving equipment that is specifically designed for resisting the corrosive nature of these compounds. In other pollution control systems, our fans are installed on the clean side, which offer a higher efficiency design for moving gases into a scrubber or other device. One of the major challenges in wastewater and sewage treatment plants is controlling the odors that are emitted. These plants are often located in residential areas and forced to adhere to strict codes and regulations. These odors are caused by gases such as hydrogen sulfide and ammonia. To reduce odor emissions a variety of systems have been found effective, such as thermal oxidation, chemical scrubbers and biofilters. The fan requirements in these processes are similar in that they require special alloys, coatings or fiberglass construction.

Proper Industrial Blowers & Fans

Through decomposition, landfills produce syngas, a combination of methane carbon monoxide, and other hazardous gases. To avoid dangerously high levels of these gases, forced draft fans are used to drive fresh air into the landfill mass. Induced draft fans are also used for pulling noxious gases out of the landfill for safe disposal or for collecting them as a fuel source. The fans used in these applications often require special materials or coatings along with spark resistant construction. Depending on your specific needs, Northern Industrial Supply Company Fans & Blowers will work with you to select the proper air moving equipment.

High Volume Industrial Blowers and Fans

High volume, low concentration or non-condensable gases refers to gases that are in concentrations below their explosion limit. These gases are drawn through an induced draft fan and then processed with a RTO (regenerative thermal oxidizer) or incinerator that ultimately burns the gases for safe disposal. HVLC gases are often corrosive and at elevated temperatures, that is why we provide a number of fans that are corrosion resistant. In addition, we offer leak-tight construction to avoid emitting these toxic, flammable gases into the environment. In the case that these gases are above their explosion limit, Buffalo Blower supplies a full line of non-sparking fans that allow for the safe movement of hazardous gases. Based on your specific requirements, our fans can be constructed with aluminum and monel materials.

Large Industrial Ventilation Fans

In a manufacturing environment, vacuum systems are used to move and transport waste material. Sawdust, metal shavings, and other waste is easily transported away from work areas to a specified collection point for simplified clean up and removal. Vacuum systems are also used to provide suction for the manipulation of components, various materials and forming processes. These systems usually consist of long runs of relatively small diameter pipe or ducting. This results in the need for high pressure low flow fans.

Boiler Application Industrial Blower Fans

Boilers are used in a variety of industries for producing heat and energy. Many boiler applications will burn fuel readily available on site, such a byproduct from the given process. An example of this is Bagasse, which is a fibrous matter that remains after sugarcane is processed to extract their juices. The bagasse is a biofuel used for many boiler applications. Fans in boiler applications are forced draft, induced draft, over fire air and combustion air.

Large Industrial Fan Characteristics

At this juncture it is prudent to reiterate that a fan running at a particular speed can have an infinite number of operating points all along its characteristic curve. The fan will interact with the system to produce an operating point at the intersection of the system curve and the fan curve. Note that it is the system in which the fan is installed that will determine the operating point on the fan curve. Thus it is vitally important that the system designer accurately determine the system losses in order to ensure that the actual air flow rate is as close as possible to the design air flow rate.

For additional information please refer to http://www.northernindustrialsupplycompany.com/outside/request4.html

Oleg Chetchel
Industrial Process Equipment Engineer
airknife@cogeco.ca
Northern Fan Co.
http://www.northernindustrialsupplycompany.com/outside/request5.html
http://www.northernindustrialsupplycompany.com/outside/request3.html

Industrial Processes Ventilating

airknife@cogeco.ca

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buffaloblowercom

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***

Inline Centrifugal Exhaust Fans & Blowers

Industrial Blowers and Fans — About Air Handing Fans

Since July 1, 2003, equipment manufactured for operation in potentially explosive environments has been required to comply with the European Directive 94/9/EC. This directive, commonly referred to as the ATEX Directive, applies to all countries in the European Union (EU) and the European Economic Area (EEA). The ATEX Directive is a collection of EU directives outlining equipment installed and operated in potentially explosive atmospheres. The ATEX directive coordinates various technical and legal conditions throughout Europe to ensure a high level of safety for the end-user by reducing the explosion risk through established design methods. The European Committee for Standardization (CEN) published EN 14986 as a standard specifically for the manufacture of fans for use in hazardous areas. This standard is a guide specifically for fan manufacturers to comply with the ATEX Directive.

Industrial Blowers & Fans – Air Handling Units

Air Handling Units (AHU) combine a fan (or several fans) with other components such as heating and/or cooling elements, filters, and dampers as a means to collectively condition the air in a building. AHU is a general term comprised of many specific types of air handlers including: Make-Up Air Units (MAU), Packaged Units (PU), Rooftop Units (RTU), and Energy Recovery Units (ERU). Air handlers range from very small, low CFM light-duty construction to very large, high CFM heavy-duty construction, and are used in many types of buildings that require air conditioning such as office buildings, hospitals, universities, schools, manufacturing facilities, and data centers. Typically, air passing through an AHU is clean and varies in temperature depending on the specific application. Energy consumption and noise are often important considerations when selecting a fan for an AHU. Plenum fans and DWDI fans are commonly found in these units, but are not used exclusively. To accommodate the various applications these units are used for, Canada Blower offers the most diverse and efficient fans in the industry to meet the need of any air handling unit.

Inline Exhaust Fans Centrifugal Blower Fans

Building elevator shafts require proper air moving equipment to provide smoke control in the event of a fire. Pressurization is used to prevent smoke from migrating through elevator shafts to other floors, similar to how fans are used to control smoke in stairwells. Today’s elevator pressurization systems are designed to allow elevators to be used by firefighting teams. However, some systems are designed for the evacuation of handicapped individuals. While small amounts of smoke in an elevator may be tolerated by firefighters, smoke in an elevator and its entry and exit paths is unacceptable. Canada Blower’s complete offering of smoke and heat exhaust fans are relied upon for elevator shaft exhaust/pressurization in emergency situations.

Buffalo Fans Blowers

Electrical bus systems are used for conveying large volumes of energy within power generation facilities. The efficiency of an electrical bus is a function of temperature. The cooler you are able to keep the bus the more efficient it will operate. Power plants utilize large electrical buses and Buffalo Blower provides fans for cooling these systems. Typically this involves clean air which is circulated through a closed loop system.

Industrial Buffalo Blower Fans Supplier

Air supply and filter houses provide the clean supply air for large scale paint booth applications. The supply air is conditioned and filtered to the precise temp and humidity for the given paint system. This supply air is sent to the main paint booths, curing ovens, electro polishing rooms and pre-treatment areas. Buffalo Blower offers a variety of efficient airfoil fans to meet the stringent requirements of any customer.

Industrial Blower Manufacturer & Suppliers

Emergency smoke exhaust systems are designed to remove smoke and heat from buildings in the event of a fire. These systems play a crucial role in increasing occupant safety and allowing rescue personnel to safely enter burning buildings. Canada Blower offers a full line of smoke and heat fans capable of withstanding a minimum temperature of 500°F for four hours or 1,000°F for 15 minutes. Our inline smoke and heat fans are also available in a vertical roof mount configuration featuring a discharge cap with butterfly dampers and an optional fusible link designed to stay open in the event of a fire.

Industrial Fans

Energy recovery systems have become a popular way to heat and cool homes as well as commercial buildings. Energy recovery applications typically use two fans that provide air through a heat exchanger that “treats” the air by heating or cooling it before it enters the building. Canada Blower’s plenum and forward curved fans are typically used for energy recovery applications and offer a wide range of performance and flexibility.

Inline Exhaust Centrifugal Fans

Generator rooms require a wide range of fans to optimize the performance of generators and other equipment. Exhaust fans are used to prevent heat buildup within the generator room, while supply fans are used to provide fresh air for combustion and efficient generator performance. Room size, space limitations, and mounting capabilities will determine the exact type of fan needed for each specific application. As a leading manufacturer of air moving equipment, Canada Blower offers numerous fan types for meeting any generator room specification.

For additional information please refer to http://canadablower.com

Susan Terlitski
Building Ventilation Engineer
Canada Blower Co.
canadablower@canadablower.com
http://canadablower.com/heat/index.html
http://canadablower.com/heatexchanger/index.html

Air Handling Ventilation Fans

canadablower@canadablower.com

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buffaloblowercom

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Industrial Blowers, Propeller Fans & Blower Fans

Industrial electric fans clearly do not use as much electricity as an air conditioner, circulating air and cooling it at a fast rate for a large space. With high-powered, energy-efficient motors, the larger motor of an industrial fan is actually guaranteed to save energy costs.

Industrial Blowers and Fans for Cooling

Air conditioning can often become too large of an expense for industrial areas, but the good news is that an industrial fan can bring some much needed relief in this case. Industrial electric fans can be quite helpful for places where heat stratification, dampness, and stagnant air become frequent problems. Also, for high static pressure an industrial fan is what you need. Also known as an industrial electric blower, these units replace air as well by blowing out the old and stagnant air for a wide area that otherwise would collect this air without replenishing it in entirety.

Industrial Blowers and Radial Blower Fans for Ventilation

Industrial warehouses, especially profit from these large units because the fans can support a higher CFM rating without the vibrations of a smaller fan. Most electric industrial fans have blades of a higher more durable construction, usually consisting of some kind of metal. This allows the blades to move more air at one time without all the force being applied to the fan and making the motor work harder.

Industrial Blowers & Fans Types

Industrial fans include several types such as duct fans, roof and ceiling ventilators, wall mounted fans, pressure blowers, and freestanding units with different mounting options. For extreme conditions and plants, drum fans can be used to move even larger amounts of air. These types of fans come with wheels attached and can be rolled to the area that circulation is needed the most. Some manufacturers even sell just the fan heads for a more freedom and a reduced assembly and cost on the company.

Versatility of Industrial Blowers and Fans

Powerful motors for reducing excessive noise are used in industrial fans. The motor will not be working at its top speed to produce the necessary airflow, therefore it will be quieter. Industrial electric fans are also very versatile; there are floor fans, wall mounted fans, and pedestal fans that all come in industrial grades. If you plan on a very large space, a pivoting fan is a good choice as you can manipulate the direction of the air and direct it to where it is needed most. Some even come with stands to make these larger fans easy to roll from place to place.

Industrial Fans & Blowers Efficiency

These motors are designed to change a large amount of electrical energy into useful fan work. Often as electric industrial fans are in operation for an entire day period, opposed to a home fan which is turned on only when people are home, or in a specific room, the industrial fan needs to be energy efficient for this extra use. These motors can handle more heat than a normal motor meaning less heat waste is produced. If you think you need an industrial fan for your business area, chances are that you do! Make the choice today for comfort and health and consider an industrial fan purchase.

Additional information can be found at the Northern Industrial web site http://www.northernindustrialsupplycompany.com/products/heat_exchangers.html

Oleg Cthetchel
Canadian Air Systems Engineer
Northern Industrial Co.
http://northernindustrialsupplycompany.com/products/industrialfan_blowers.html
http://northernindustrialsupplycompany.com/products/ventilators.html

Industrial Fan for Process Ventilation

ventilator fan blower PRV propeller industrial building ventilation ventilating cooling high volume air circulation circulating wall roof exhaust supply circulator recirculator mobile exhauster

fan@cogeco.ca

nisco@primus.ca

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Industrial Centrifugal Blowers & Centrifugal Inline Exhaust Fans

Canada Blower offers a complete line of centrifugal fan equipment, from small Baby Vent Sets capable of moving a few cubic feet per minute (CFM), to large, heavy-duty industrial mechanical draft fans with capacities to 1,000,000 CFM and with static pressures from 0″ Water Gauge (WG) to 150″ WG.

Centrifugal Fans & Blowers

Centrifugal ventilator has a number of blades mounted around the hub, which turns on a shaft that passes through the housing.

Blower Fan Suppliers

Canada Blower is a leading supplier of industrial and commercial fans, ventilators, blowers and accessories for various air-moving applications.

Industrial Blower Manufacturer

Canada Blower products include standard centrifugal fan and customized blowers designed to meet our customers’ requirements based on Canada Blower manufacturing standard.

Centrifugal Fans and Industrial Blowers

A centrifugal blower is a fan designed to move air or gases in a confined area. The centrifugal blower has a number of blades mounted around the hub, which turns on a shaft that passes through the housing. The gas enters the side of the fan wheel and by use of centrifugal force(hence the name) accelerates over the fan blades. A centrifugal blower is usually used in factories or large open places that need air flow.

Industrial Centrifugal Fans Applications

Over the years Canada Blower supplied centrifugal fans to a wide range of industries and applications including: combustion air supply, material handling, process ventilation, ovens and dryers, iron and steel industry, mine and tunnel ventilation, petro-chemical, power generation, marine and off-shore structures, pulp and paper, HVAC, paint/spray booths, fertilizer and various emission control applications. For the commercial HVAC market, Canada Blower offers general ventilation fans for institutional and retail buildings, schools, restaurants and hospitals. Special materials, construction, explosion-proof and spark-resistant design, variety of coatings and accessories are available to meet practically any application needs.

Industrial Blowers and Fans Services

Canada Blower fan repair, retrofit and service shop provides complete rebuilds, shaft repairs, blade liners, in-field balancing, vibration analyses, performance upgrade, increased fan capacity, all metallurgies, all type of fans repair, and emergency service on all sizes and designs.

Industrial Blower Fans

Canada Blower air moving products are best know for “industrial quality” assuring reliable performance, relentless dependability and longevity. A staff of specially trained engineers will design a dependable fan that exactly fits customers’ dimensional and performance requirements.

Canada Blower fans and lowers are sold and serviced by air moving experts that can evaluate your needs and provide best recommendations for your application.

Additional information can be found at the Canada Blower company web site http://canadablower.com/hvac/index.html.

Susan Terlitski
Air handling Systems Designer
Canada Blower
canadablower@canadablower.com
http://canadablower.com/news/index.html
http://canadablower.com/oem/index.html

Centrifugal Fan by Canada Blower

canadablower@canadablower.com

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chicagoblower

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