Industrial
fiberglass fan blowers, centrifugal and axial FRP blower fans, oven
high
temperature blowers. Roof and wall exhaust and supply fiberglass fan
blowers, power ventilators and FRP fans.
FIBERGLASS FANS
Canada Blower Fiberglass fans are specifically designed for the exhaust of moisture-laden, corrosive, or chemically contaminated air. All fans feature molded fiberglass housings that are virtually impossible to dent, crack or break.
FRP offers a more economical solution compared to stainless steel or other exotic alloys. Multiple impeller types and materials are available to meet any corrosive process requirements while maintaining quiet operation and high efficiency.
IMPELLER TYPES
Single Thickness Backward Inclined, Airfoil, Open Radial, Axial
TYPICAL INDUSTRIES
Agriculture, Air Pollution Control, Automotive, Car Wash, Cement, Chemical, Coal, Composting, Corrosive Environments, Fertilizer, Food & Beverage, Foundry, General Manufacturing, Glass, HVAC, Industrial Processes,
Institutional & Hospitality, Marine, Microchip Processing, Metal & Minerals, Mining, OEM, Odor Control, Petrochemical, Pharmaceutical, Power Generation, Pulp & Paper, Steel Processing, Textile, Swimming Pool Exhaust, Water Treatment
ACCESSORIES
OSHA Belt Guards, Shaft and Bearing Guards, Inlet and Outlet Guards, Weather Covers, Shaft Seals, Access Doors, Inspection Doors, Cleanout Doors, Housing Drains, Flanged Inlets and Outlets, Dampers and Shutters, Unitary Bases
FRP offers a more economical solution compared to stainless steel or other exotic alloys. Multiple impeller types and materials are available to meet any corrosive process requirements while maintaining quiet operation and high efficiency.
IMPELLER TYPES: Single Thickness Backward Inclined, Airfoil, Open Radial, Axial
FAN / BLOWER ACCESSORIES
OSHA Belt Guards, Shaft and Bearing Guards, Inlet and Outlet Guards, Weather Covers, Shaft Seals, Access Doors, Inspection Doors, Cleanout Doors, Housing Drains, Flanged Inlets and Outlets, Dampers and Shutters, Unitary Bases
OPTIONAL FAN CONSTRUCTION:
Static Grounding, ASTM D4167 Construction, Stainless Steel Fan Shaft, Synthetic Surface Veil, Fire Retardant Resin, Vinyl Ester. Fiberglass fans are specifically designed for the exhaust of moistureladen, corrosive, or chemically contaminated air. All fans feature molded fiberglass housings that are virtually impossible to dent, crack or break, Static Grounding, ASTM D4167 Construction, Stainless Steel Fan Shaft, Synthetic Surface Veil, Fire Retardant Resin, Vinyl Ester
Fumes are the dry vapors evolved from acids, solvents, etc. An example is the dry acid vapor scavenged from a process using acid. As a generalization, fumes are not as corrosive as aerosols. Aerosols are suspensions of liquids or solids in a gas stream. For the purpose of this discussion, aerosols are considered as quite dilutebeing wet. Water as fog is an example of an aerosol. Another example is the mist of acid present in air scavenged from a process where acid is being used as a spray wash. As a generalization for the purpose of estimating corrosiveness, aerosols in fan driven systems can be considered as being dilute concentrations of the chemicals composing the aerosols. An example of the distinction between fumes and aerosols is a system where sulfuric acid fumes are collected by hoods and scrubbed. The dry fumes entering the scrubber could be quite concentrated but have a relatively mild corrosive effect on the hood and duct material. On the other hand, the wet gas down streamfrom the scrubber could be quite dilute but more corrosive because of the scrubber’s converting the fumes to an aerosol.
Industrial process applications involve a wide variety of corrosive gas streams. Selecting the best materials of construction for air handling equipment can be difficult. This article provides information about the corrosion resistance of the resins used to manufacture standard FRP fans.
Where the user is unsure of the nature of the chemicals involved, or of the corrosive effect of the combination of chemicals involved, it is advisable to insert resin test coupons, as well as coupons of possible alternate materials of construction, into the gas stream for observation. All polyesters and vinyl esters are corrosion resistant to some degree.
Standard FRP fan construction does not include the use of surface veil. Years of service prove this construction to be cost effective and functionally successful. However, the general approach to the design of most FRP chemical process equipment, such as storage tanks, is to use surface veil. Synthetic veil such as Nexus polyester veil protects the glass structure from attack by chemicals that are particularly aggressive toward glass. The system designer should have sufficient knowledge of, or experience with, the application to select the appropriate resin or alternate material.
FRP is inherently non-sparking and the electrical resistance of FRP may be considered infinitely high since it is essentially a non-conductive or non-metallic material. Because FRP is nonmetallic, the physical contact of two FRP parts or a metallic part with an FRP part will not produce a spark. However, FRP does have the tendency to hold a charge of static electricity. This charge can be generated by a dry gas or airstream passing over FRP. The fan can ultimately become a capacitor capable of discharging high-voltage, low-amperage sparks.
The static electricity or charge which builds up on the airstream surface of the FRP part must be eliminated in applications where the fumes are potentially explosive. This can be accomplished by making the surface electrically conductive, providing an electrical path to dissipate the relatively low-current static charge. FRP fans can be effectively grounded for the removal and control of static electricity by incorporating graphite in the airstream layer of resin. Static grounding by graphite impregnation does not interfere with the corrosion-resistant properties of the fan. Graphite is extremely corrosion resistant. However, the addition of the graphite makes the surface softer than normal and prevents the normal checking of the surface for Barcol-hardness readings.
FRP fans are often the best alternative for those applications which require the handling of explosive, as well as corrosive gas fumes. However, care must be taken to realize that there can be no guarantees against possible sparking or ignition in such airstreams. All aspects of the application, the system components, and even the potential for sparks resulting from “tramp” or “foreign” elements in the airstream must be considered to ensure the safety of the installation.
Canada Blower Fiberglass fans are specifically designed for the exhaust of moisture-laden, corrosive, or chemically contaminated air. All fans feature molded fiberglass housings that are virtually impossible to dent, crack or break.
FRP offers a more economical solution compared to stainless steel or other exotic alloys. Multiple impeller types and materials are available to meet any corrosive process requirements while maintaining quiet operation and high efficiency.
IMPELLER TYPES
Single Thickness Backward Inclined, Airfoil, Open Radial, Axial
TYPICAL INDUSTRIES
Agriculture, Air Pollution Control, Automotive, Car Wash, Cement, Chemical, Coal, Composting, Corrosive Environments, Fertilizer, Food & Beverage, Foundry, General Manufacturing, Glass, HVAC, Industrial Processes,
Institutional & Hospitality, Marine, Microchip Processing, Metal & Minerals, Mining, OEM, Odor Control, Petrochemical, Pharmaceutical, Power Generation, Pulp & Paper, Steel Processing, Textile, Swimming Pool Exhaust, Water Treatment
ACCESSORIES
OSHA Belt Guards, Shaft and Bearing Guards, Inlet and Outlet Guards, Weather Covers, Shaft Seals, Access Doors, Inspection Doors, Cleanout Doors, Housing Drains, Flanged Inlets and Outlets, Dampers and Shutters, Unitary Bases
FRP offers a more economical solution compared to stainless steel or other exotic alloys. Multiple impeller types and materials are available to meet any corrosive process requirements while maintaining quiet operation and high efficiency.
IMPELLER TYPES: Single Thickness Backward Inclined, Airfoil, Open Radial, Axial
FAN / BLOWER ACCESSORIES
OSHA Belt Guards, Shaft and Bearing Guards, Inlet and Outlet Guards, Weather Covers, Shaft Seals, Access Doors, Inspection Doors, Cleanout Doors, Housing Drains, Flanged Inlets and Outlets, Dampers and Shutters, Unitary Bases
OPTIONAL FAN CONSTRUCTION:
Static Grounding, ASTM D4167 Construction, Stainless Steel Fan Shaft, Synthetic Surface Veil, Fire Retardant Resin, Vinyl Ester. Fiberglass fans are specifically designed for the exhaust of moistureladen, corrosive, or chemically contaminated air. All fans feature molded fiberglass housings that are virtually impossible to dent, crack or break, Static Grounding, ASTM D4167 Construction, Stainless Steel Fan Shaft, Synthetic Surface Veil, Fire Retardant Resin, Vinyl Ester
Fumes are the dry vapors evolved from acids, solvents, etc. An example is the dry acid vapor scavenged from a process using acid. As a generalization, fumes are not as corrosive as aerosols. Aerosols are suspensions of liquids or solids in a gas stream. For the purpose of this discussion, aerosols are considered as quite dilutebeing wet. Water as fog is an example of an aerosol. Another example is the mist of acid present in air scavenged from a process where acid is being used as a spray wash. As a generalization for the purpose of estimating corrosiveness, aerosols in fan driven systems can be considered as being dilute concentrations of the chemicals composing the aerosols. An example of the distinction between fumes and aerosols is a system where sulfuric acid fumes are collected by hoods and scrubbed. The dry fumes entering the scrubber could be quite concentrated but have a relatively mild corrosive effect on the hood and duct material. On the other hand, the wet gas down streamfrom the scrubber could be quite dilute but more corrosive because of the scrubber’s converting the fumes to an aerosol.
Industrial process applications involve a wide variety of corrosive gas streams. Selecting the best materials of construction for air handling equipment can be difficult. This article provides information about the corrosion resistance of the resins used to manufacture standard FRP fans.
Where the user is unsure of the nature of the chemicals involved, or of the corrosive effect of the combination of chemicals involved, it is advisable to insert resin test coupons, as well as coupons of possible alternate materials of construction, into the gas stream for observation. All polyesters and vinyl esters are corrosion resistant to some degree.
Standard FRP fan construction does not include the use of surface veil. Years of service prove this construction to be cost effective and functionally successful. However, the general approach to the design of most FRP chemical process equipment, such as storage tanks, is to use surface veil. Synthetic veil such as Nexus polyester veil protects the glass structure from attack by chemicals that are particularly aggressive toward glass. The system designer should have sufficient knowledge of, or experience with, the application to select the appropriate resin or alternate material.
FRP is inherently non-sparking and the electrical resistance of FRP may be considered infinitely high since it is essentially a non-conductive or non-metallic material. Because FRP is nonmetallic, the physical contact of two FRP parts or a metallic part with an FRP part will not produce a spark. However, FRP does have the tendency to hold a charge of static electricity. This charge can be generated by a dry gas or airstream passing over FRP. The fan can ultimately become a capacitor capable of discharging high-voltage, low-amperage sparks.
The static electricity or charge which builds up on the airstream surface of the FRP part must be eliminated in applications where the fumes are potentially explosive. This can be accomplished by making the surface electrically conductive, providing an electrical path to dissipate the relatively low-current static charge. FRP fans can be effectively grounded for the removal and control of static electricity by incorporating graphite in the airstream layer of resin. Static grounding by graphite impregnation does not interfere with the corrosion-resistant properties of the fan. Graphite is extremely corrosion resistant. However, the addition of the graphite makes the surface softer than normal and prevents the normal checking of the surface for Barcol-hardness readings.
FRP fans are often the best alternative for those applications which require the handling of explosive, as well as corrosive gas fumes. However, care must be taken to realize that there can be no guarantees against possible sparking or ignition in such airstreams. All aspects of the application, the system components, and even the potential for sparks resulting from “tramp” or “foreign” elements in the airstream must be considered to ensure the safety of the installation.
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Canada Blower Co. is a major supplier of plastic and fiberglass fans and blowers for industry applications where aggressive media must be moved. Plastic fans include polypropelene, PVC, PVDF, fire retardant and UV resistant PPs.
Applications for Corrosion and Chemical Resistant Fans include:
* University, Medical Research, Defence Labs, Fume Hoods OEMs, Pharmaceutical Labs
On most campuses there is a certain number of fume hoods that are used for various acids testing to break down materials for analysis. HCl and Perchloric Acid are the ones used most commonly. Fume hoods and Chemical resistant fans are needed.
* High Technology Semiconductors, PCBs, and Photonics
Chip makers use acids to clean metal before they mount thin film on the metal upon which they lay circuitry.
* Printed Circuit Board Industry
FRP fans are frequenly used for clean rooms.
* Waste water and Sewage Treatment Plants
Hydrogen Sulfide builds up (H2S) in sewage plant facilities and causes an odor problem that has to be treated. Depending on the size of these stations corrosion resistant fans are needed. This gas can also be very volatile and will require explosion proof motor and static grounding of the fan housing by graphite impregnation that Canada Blower can provide too.
* Salt Air and High Humidity Environments
Any facility near the salt air is also a good place for plastic fans and the humidity will eat through metal fans.
* Steel and Wire Manufacturing
As the steel comes in and sits at these plants impurities and scale develop on the steel or the wire that needs to be cleaned off before the wire or steel can be properly worked with. Acid baths are needed for this and the corrosive fumes coming off these aced baths are highly corrosive...
* Stainless Steel and other Metal Production Facilities
In tha annealing and Pickling process acid baths are used to strip scale off the steel after the annealing process that smoothed out grain patterns that may have formed during the annealing process. Later on acids are used again to support oxidation.
* Chemical and Petrochemical Industries
* Jet Engine and Power Plant Turbine Manufacturing or Servicing
Molted Salt tanks are often used here to descale metals coming out of hot furnaces. Pickling and cleaning of titanium which is used in Jet engine parts also utilize acid baths as does nickel plating.
* Electroplating and Metal Finishing
These industries use fiberglass fans and fume scrubbers.
* Scrubber OEMs and Designers
FRP fans are standard components in fiberglass srubber designs.
* Industrial Galvanizers
* Printing Press Service Shops
* Chromatography
* Food Processing
Often in the food processing industry they wash equipment down with acids and other corrosives. Also they use fans for the humidity that builds up from the drying process of foods.
* Pulp and Paper Industry
Pulp and paper manufacturers are very wide users of fiberglass and other plastics fans for their boilers, exhaust and filtration systems.
Canada Blower fans are the finest quality blowers available for efficient movement of corrosive, humid, or polluted air, gases, and fumes. These fire-retardant and corrosion-resistant plastic fans are specially designed and especially suited for hostile applications where coated metal blowers typically corrode. Cnada Blower fans are proven thoughout the world and clearly recognized for superior quality, reliability, and efficiency.
High-efficiency impellers result in low power consumption, operating costs, and quieter operation. All metal hardware is completely sealed from exposure to corrosion by incapsulating into FRP or plastic; the steel support frame and motor base are powder coated with a corrosion-resistant finish. In addition to being highly resistant to chemical corrosion, PP fans are self-extinguishing and will not support combustion.
Canada Blower fiberglass fans housings are manufactured from premium grade, fire resistant resins that provide excellent corrosion resistance in most chemical environments. Canada Blower FRP impellers are made of premium vinyester that combines corrosion resistance with structural integrity under the stress of rotation.