Inline Exhaust Fans

Mixed Flow Fans

Mix flow fans combine characteristics of both axial and centrifugal fans, and in the Canada Fan design the impeller resembles a fixed pitch axial fan. Canada Fan has two ranges of mixed flow fan: one heavy duty, ideally suited for handling dust-laden gases, and a compact range that gives higher pressure rises than can be obtained from similar sized axial fans.

Heavy Duty Mixed Flow Fans

Canada Fan heavy-duty mix-flow fans are extremely robust, with plate blades that are ideal for handling dust-laden gases at elevated temperatures. Though a mixed flow fan is not as efficient as other types and the operating range is more limited, fan performance is less degraded by erosion or corrosion. Should repairs be needed the blades are easily welded. Heavy duty mixed flow fans are available with flows from 200 to 1000 m3/s and pressure rises up to 8 kPa.

Compact Mixed Flow Fans

Canada Fan in New York compact mixed flow fan is a fully ducted, in-line machine that has a non-overloading power characteristic. It is capable of operating throughout its pressure / volume curve without stalling, even at zero flow. This fan is ideally suited to applications where space is limited and, for example, is commonly used for ventilation on offshore oil platforms. Its robust design maximises reliability and, with anti-spark features, it is suitable in zone 1 hazardous areas. Belt and motor drive options are available. The range can produce flows up to 80m3/s at pressures up to 3 kPa.

Industrial Fans

For applications ranging from the latest high-speed locomotives to industrial cleaning vehicles, Canada Fan can design a fan to satisfy OEM cooling, ventilation and other air movement needs. Through concept engineering, prototype and production, we provide a complete service for OEM air movement needs. Buffalo Fan (New York) OEM experience spans a wide range of applications from custom-designed, heavy-duty fans for use in locomotives and off-highway vehicles to standardised, light duty commercial air handling fans.

Axial Fans

OEM axial fans are available for for traction motor cooling, inverter cabinet cooling, dynamic braking grid cooling, inertial filter exhaust, alternator cooling, generator cooling, radiator cooling and cab ventilation. Canada Fan have low-maintenance, high-reliability designs for applications where shock and vibration are problematic. Corrosion-resistant coatings and low noise compact designs are avilable too.

Canada Fan have quality assurance and performance testing to ensure your OEM fan will perform in the toughest working environments. Finite element analysis (FEA), vibration and shock testing, accelerated life cycle testing and sound testing can be provided too. Whatever are tough OEM requirements, Buffalo Blower (New York) has the experience and expertise to meet those needs.

Additional information can be found at the Canada Industrial Fans 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

Industrial Mixflow Fan

airknife@cogeco.ca

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Roof Ventilators

It can decrease make up of heat in the roof spaces; reduce the heat load on the isolation. In turn, you will make save on your electricity bills as the air-conditioning systems will not have to work as hard.

In winter, it decreases the amount of condensation that forms when warm moist air from exhaust fans meets cold surfaces also reduce the amount of corrosion and wood is created due to condensation. It should be installed where no sarking with tile roofs, metal roof deck is used, and when there is evidence of condensation in the attic or ceiling.

How Roof Ventilators Work

Accurate ventilation needs that there be a flow of air into the room and the temperature and humidity should be maintained within a range that allows adequate evaporation of sweat from the skin. It was previously thought that the anxiety, nuisance and laziness often linked with bad ventilation were caused totally by the enhance in the quantity of CO2 and decreased oxygen in the air. There is proof, however, that the effects depend largely on the interference with the mechanism of heat regulation in the body. Lack of air flow and increase the relative humidity and temperature prevent normal evaporation of perspiration and heat loss from the skin surface.

Roof Exhausters

Roof exhauster is essentially a simple hole in the roof with a cover to protect from rain and wind to avoid interfering with its operation. A useful addition is a fan stirring the air or gas to move from one place to another. Mechanical fan blades of bearing is used for ventilation, in manufacturing, in winnowing grain, to remove dust, cuttings or other debris, or plans to offer a fire. The addition of distribution channels for the fan and a system to force air into the building provides greater efficiency. The outputs are designed for maximum mixing of air and move large amounts of air at low speed so that the temperature of the layers is removed. The factories are equipped with unusual suction hoods for dust boxes located smoke and heat.

Essential Uses and Attributes of Quality Roof Ventilators

Deep mines, underwater tunnels and other underground environments and underwater systems require development of mechanisms for maintaining air flow in a healthy state. Life for those working or traveling in these areas depend on a constant supply of fresh air, not only must the systems are very effective, but it should be possible in an emergency in case of failure of the device running. Derived from studies of the problems of ventilation systems is the development of methods of air conditioning heat pump is a device that the reversible mechanical work to extract heat from a cooler place and deliver heat to a warmer place. Heat is supplied to a warmer place, about the sum of the initial heat and work.

These systems, unlike conventional methods of ventilation, independent of outside weather conditions and can be stored indoors, temperature, humidity and healthier environment, and the air is free of dust and other harmful substances. They achieve this, however, significant energy costs.

A trustworthy ventilation arrangement that can function throughout a fire is both fundamental and significant. It prevents smoke logging, allows people to escape quickly, reducing damage to property and contents and enables firemen to attack the fire without hindrance. These power roof exhausters have the added advantage that the normal day to day ventilation and in many cases can also be equipped with working channels for use in multi-storey buildings.

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

Susanna Terlitskaia
Industrial Ventilating Engineer
Industrial Blower Fans Company
nis@primus.ca
http://www.industrialblowerfan.com/air-cooling-unit.html
http://www.industrialblowerfan.com/profile.html

Roof Ventilators

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Wall Exhaust Fans

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.

Types of Wall Exhaust Fans

Exhaust fans are classified into various types, mainly depending on the type of mount and the location where you need to install the fans. The different types are:

Ceiling Mounted Exhaust Fans: As the name suggests, ceiling exhaust fans are those which are installed in the ceiling. Such fans expel stale air from your home upwards through the roof. The fan is connected to ducting, which is exhausted outside the home via an external vent, like a roof cap or soffit exhaust vent.
Inline Exhaust Fans: Unlike ceiling exhaust fans that are installed directly into the ceiling, inline exhaust fans are typically mounted in-between ducting, hence the name inline fan. For instance, if you wanted to ventilate an area that did not have clearance or space for a ceiling mount fan, you would make use of inline exhaust fans to ventilate such areas. The exhaust fan would be placed in between the ductwork and the stale air would travel through the ducts and ultimately be expelled from your home. Since inline fans are not mounted directly to the ceiling, they are very quiet. When installing an inline fan, to reduce noise, we recommend using an insulated flex duct that is at least eight feet long from the intake port on the ceiling to the inline fan.

Inline exhaust fans are ideal for exhausting areas or rooms where you cannot, or do not wish to install the exhaust fan directly. Since these types of exhaust fans are mounted in remote areas, they are also referred to as remote mounted exhaust fans. Inline exhaust fans can either be single-port (exhausting from a single area) or multi-port (exhausting from multiple areas).

Wall Mounted Exhaust Fans

Wall Mounted Exhaust Fans: These exhaust fans are installed on walls. Since they are installed on exterior walls of the home and not on interior walls, the stale air has a direct route to the outside of your home and thus no duct work is required in installing these exhaust fans.

Combination Exhaust Fans

Combination Exhaust Fans: Exhaust fans are also available as combination units. You have the choice of a fan-light combination where the exhaust fan provides illumination as well, or heat-fan-light combination wherein you get a heater, light and ventilating fan all in a single device.

Exterior Remote Mounted Exhaust Fans

Exterior Remote Mounted Exhaust Fans: While most other exhaust fans are installed inside your home and push stale air out, exterior remote mounted fans are installed outside your home and pull out stale indoor air instead of pushing it out. The main benefit of these exhaust fans is that regardless of however noisy they are, most of the noise remains outside your home.

Kitchen Range Exhaust Fans

Kitchen Range Exhaust Fans: These fans are mounted inside the range hood over your kitchen stove. Such fans not only help to rid your kitchen of stale air but also help to expel bad odors and reduce moisture levels in your cooking area.

Exhaust Fans for Complete Ventilation

These several types of exhaust fans can be used for complete ventilation of your building including intermittent local ventilation for baths, kitchens, dryer rooms; continuous whole building ventilation, and for exhausting hard-to-air spaces such as crawl spaces, attics, and basements.

Effective Ventilation Using Exhaust Fans

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

Pollutants such as pesticides, harmful gases, smoke, pet dander, lead, asbestos, dust mites, paint fumes, grease etc get released into indoor air due to daily activities such as cooking, smoking, burning fuel, bathing, renovating etc. In addition to these pollutants, activities such as bathing, cooking, and washing also release excess moisture in the air and make indoor air extremely humid. If not ventilated adequately, these added pollutants and increased moisture levels can decrease the quality of indoor air greatly, thereby leading to various problems such as:

Problems Associated with Poor Ventilation

Health problems including asthma, allergies, nose bleeds, skin rashes, headaches, nausea, and other breathing disorders. In fact, according to the Environmental Protection Agency, a large percentage of the over 20 million annual asthma cases in the US alone can be attributed to bad indoor air quality.

Split, warped and rotted furniture due to excess humidity.
Cracked and peeling paint on the walls.
Formation of fungus, mold spores, and mildew, which in turn lead to severe health problems.
Thus, by using exhaust fans to ventilate your building efficiently and completely, thereby improving indoor air quality, you can avoid of all these problems.

Exhaust Fan Sizing

When sizing an exhaust fan that does not open directly to the outside but is ducted, it is important to ensure that the exhaust fan has the capability to move stale air throughout the duct and ultimately to the outside. Here, we first need to understand what static pressure and equivalent duct length is.

How Exhaust Fans Work

Inside every duct, there is a constant pressure being exerted at any point from all directions. When an exhaust fan moves air through the duct, the air counters resistance from this pressure which is known as static pressure. Thus, an exhaust fan has to have the ability to overcome the static pressure in a duct so as to effectively duct stale air to the outside of your home. This can be done by calculating the equivalent duct length of any duct.

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

Susan Terlitski
Canadian Process Air Systems Designer
Canada Blower
http://canadablower.com/hvac/index.html
http://canadablower.com/blowers/index.html

Ventilation by Exhaust Fans

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Industrial Exhaust Fans

The practical designs of modern homes are more focused on energy conservation. Making a home practically air-tight reduces heating requirements thus saving on electricity costs. This may be a great way to save money and help the environment, but it also leads to poor air circulation inside the house. Poor air quality can lead to a variety of cardiovascular diseases, ruined paint and damaged furniture which is why it is important to have good air circulation inside the home. The best way to do this is to install ventilation exhaust fans.

Exhaust Fan Systems

There are many different types of exhaust systems and getting an idea of how each one works will give you an idea of what type will be the best for your home. Different sized homes will have different ventilation requirements. Larger homes will require a variety of ventilation fans to keep the air from getting stale.

Ventilator Fans

The most common types of ventilation air purifying fans are wall mounted, ceiling mounted, inline fans, combination, exterior remote mounted and kitchen range exhaust fans. It is best to have ducting installed in areas where a visible fan would not blend in well. Areas like the living room, dining room, den and bedrooms would be good places to have ducting installed. Stale air runs through the ducting and exits the house via an exterior fan that expels the air outside, or busing using inline fans that are contained inside the actual ducting.

Wall & Roof Exhaust Fans

Kitchens, attics, laundry areas, bathrooms, garage and storage areas can be installed with either ceiling mounted or wall mounted exhaust fans if the area is situated beside an exterior wall.

Ventilator Exhaust Fans for the Home

It is important that all the areas inside a home need to have air circulation so that pollutants, pathogens or even humidity does not accumulate and lead to costly repairs or health problems. Be sure to select ventilation exhaust fans that are suitable for each area of the home.

For more information about proper building ventilation please visit the ABB Blower company web site http://www.fanblower.com/motor_cooling_fan.htm

Susann Terlitski
Designer of Industrial Air Handling Units
Fan and Blower Co.
abbblower@abbblower.com
http://www.fanblower.com/axial_flow_fan.htm
http://www.fanblower.com/inline_fan.htm

Exhaust Fans

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Industrial Fans & Blowers – Commercial & Industrial Uses

Canada Fans provides fans for every type of commercial structure including airports, arenas, stadiums, distribution centers, malls, offices, and retail. Canada Fans also offer smoke and heat exhaust fans that are UL listed for Smoke Control Systems and a full line of kitchen fans that are UL 762 listed for the exhaust of grease-laden air. Canada Fans engineers design, test, and manufacture fans for all types of buildings, including condos, custom homes, offices, malls, airports, arenas, and stadiums. We are able to meet your most precise requirements for a variety of HVAC equipment, including all types of custom, package air handlers and roof top units. In addition, Canada Fans can provide exhaust for restrooms, elevator shafts, parking garages, and jet bridges; stairwell pressurization; rooftop and sidewall supply and exhaust, including smoke and heat exhaust fans that are UL listed for Smoke Control Systems, as well as kitchen fans that are UL 762 listed for the exhaust of grease-laden air.

Exhaust Fans

Canada Fans supplies thousands of fans to universities, hospitals, laboratories and research facilities, military bases, hotels, convention centers, and cruise ships around the world; working closely with architects, engineers and contractors to design and test fans that can meet the most precise quality and reliability requirements. Canada Fans makes smoke and heat exhaust fans that are UL listed for Smoke Control Systems, kitchen fans that are UL 762 listed for the exhaust of grease-laden air, and a full line of laboratory and fume exhaust systems. Canada Fans provides fans for numerous residential building applications, such as stairwell and elevator shaft pressurization; kitchen, restroom, and pool exhaust; and every aspect of HVAC, including air handlers, gravity ventilators, and large rooftop units.

Blowers & Fans For Exhaust Ventilation

Manufacturing facilities require a large amount of ventilation to maintain a healthy work environment for the people working within the buildings. Canada Fans designs and builds fans to control and handle the exhaust, supply, and make-up air requirements for all types of manufacturing environments and spaces. The exhaust of welding and other noxious fumes and dusts, as well as the exhaust of hot air produced from ovens and other high temperature processes, are essential to providing safe and comfortable working conditions. In many cases, the building heating, cooling, and air conditioning (HVAC) requirements are also critical for proper production control and working conditions. A wide variety of businesses, industries, medical facilities, and institutions require ultra clean environments for research and development as well as production of specialty products and equipment. These facilities demand high filtration and positive pressures inside the clean room space to control the process and limit potential contamination. Other requirements typically include variable air volume, high efficient air moving equipment, low noise, and ultra-low vibration levels from the mechanical equipment.

Energy Efficient Fans & Blowers

Among many other changes, the green revolution has created a greater need for more energy efficient fans and ventilation equipment. As a leader in the fan industry, Canada Fans engineers and manufactures high efficient products for a wide variety of green friendly applications including LEED building designs, biofuel and biomass production plants, landfills, solar film manufacturing facilities, as well as numerous waste energy and heat recovery systems. Regardless of how unique or specialized your process is, Buffalo Blower can customize our products to meet virtually any requirement.

Large Industrial Fans & Axial Ventilators

Canada Fans is well known for leveraging its design and manufacturing capabilities when constructing the heavy duty fans required for marine applications. Such marine duty fans are used for many purposes including boiler combustion air, mechanical ventilation, off shore rig diesel generator exhaust disbursement, pressurization, engine cooling, and dust control. Our air moving equipment can be found on drilling rigs, production platforms, tug boats, cruise ships, ferries, and cargo ships. We offer a number of features to meet the specific needs of the marine industry. These include shortened axial fan housings for operating in tight spaces, cast aluminum impellers and hot dip galvanized steel components for extended durability, spark resistant construction for potentially explosive air streams, water tight electrical connections to withstand corrosive environments, and IEEE 45 marine duty motors for both above deck and below deck installations.

Blower Fan Standards

In addition to our extensive fan design and manufacturing experience, Canada Fans offer a number of products meeting requirements of the marine industry’s governing and standard organizations including:

• Air Movement and Control Association (AMCA) – Spark Resistant Construction
• American Bureau of Shipping (ABS) – Type Approval for Ventilation and Non-Sparking services

Additional information can be found at the Canada Fans company web site http://www.canadafans.com

Susan Terlitski
Canadian Process Air Systems Designer
canadablower@canadablower.com
Canada Fans
http://canadafans.com
http://canadafans.com

Commercial Ventilator and Fan

canadablower@canadablower.com

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