FRP Pressure Blowers
FRP Pressure Blowers are designed for highly corrosive application to handle acid vapors, and organic and inorganic chemical fumes that are highly corrosive to metal at temperatures up to 250 F. Fan applications include scrubber systems, odor control systems in wastewater treatment plants, laboratory exhaust systems, metal finishing and chemical-process industries. Fiber-reinforced-plastic pressure blowers are made from chemical grade polyester or vinyl ester resins and reinforced with glass or fiber. Additional surface veil is available depending on the application. Capacity range of FRP Pressure Blowers is from 0 to 8,000 CFM and static pressure range is up to 40” WG.
Housings of FRP Pressure Blowers are rotatable and fabricated of polyester resin based FRP , while FRP fan wheels are made of vinyl ester resin FRP to allow for more strength. 316 stainless steel, or Hastelloy C-276 alloy wheel and shaft assemblies are available. FRP ORB self-cleaning wheel design and FRP Pressure Blower wheel design are used depending on application. Standard fan shafts are made of C-1040/1045 steel covered with FRP sleeve. 316 stainless steel shafts are optional. Inlet/outlet flange drilling is according to ANSI 125/150 bolt pattern, or Voluntary Product Standard PS15-69. Neoprene gasketing with Teflon Shaft Seal, or Viton seal element in FRP casing is provided where low leakage is desired.
FRP Pressure Blower Accessories include outlet flanged wafer-type damper, made of FRP; inlet vane damper in FRP construction; companion flange with collar in FRP construction; unitary base available with spring or rubber-in-shear RIS isolator ; drain and plug threaded FRP drain with PVC plug; inspection port ; surface veil provided in compliance with ASTM D 4167; all-vinyl ester airstream; graphite impregnation to control static electricity; adjustable motor base ; OSHA Guards and Motor weather cover; drive components; VFD duty high efficiency motors; and others.
Teflon Impregnated Flexible Connectors to isolate FRP pressure blower and to allow for mis-alingment of piping.
FRP Blower Silencers are offered as inlet and discharge silencers with FRP sound absorbing elements. 304, 316 stainless steel options are available as well.
Controls and drives: variable frequency drives (VFD), magnetic motor starters, are available in NEMA 1, NEMA 3R, NEMA 4 enclosure, as well as complete set of electrical components for x-proof fan applications.
Call us today: 1-888-763-1800 E-mail: nis@primus.ca
Canada Blower FRP General Purpose Fume Exhauster backwardly inclined fan wheels provide high efficiency and quiet operation with a nonoverloading horsepower characteristic. Made of premium-quality, corrosion-resistant vinyl ester resin. Metal hub, shaft, and stainless-steel fasteners are encapsulated in full-thickness FRP.
HANDLING CORROSIVES
Protective coatings, special alloys, and FRP construction are available to combat corrosion
problems. Special coatings [up to 12 mil thickness] – special paints and spray coatings are
available under a variety of trade names. Canada Blower works with experienced coating
applicators who can apply coatings to meet a wide range of requirements. Alternate-material
construction–Single-Width Fans can be constructed of aluminum or various stainless steels.
HEAT-FAN CONSTRUCTION
Arrangement 1, 8, and 9 fans can be constructed for elevated temperature operation with the
addition of shaft cooler and guard and high-temperature paint for 650°F maximum airstream
temperature. Arrangement 9 fans are also furnished with motor heat shield. If optional shaft seal is
selected, a recessed cone is furnished. Note that the maximum safe wheel speeds decrease as
airstream temperatures increase.
SPARK-RESISTANT CONSTRUCTION [SRC]
Intended to minimize the potential for any two or more fan components to generate sparks
within the airstream by rubbing or striking during operation. The following types are available:
AMCA A [AIRSTREAM] SRC: To include all airstream parts constructed of a spark resistant
alloy... maximumtemperature: 200°F.
AMCAB [WHEEL] SRC: To include the fan wheel constructed of a spark-resistant alloy and a
buffer plate around the housing shaft-hole opening...maximum temperature:200°F.
AMCAC [BUFFER] SRC: To include a spark-resistant alloy buffer affixed to the housing
interior adjacent to the wheel backplate, a spark-resistant alloy inlet cone, and a buffer plate
around the housing shaft-hole opening... maximum temperature:650°F.
ALLTYPES SRC: Fan is to be so constructed such that no bearings, drive components, or
electrical apparatus are located in the airstream... the user must electrically ground all
fan and system components. As compared to belt drive fan arrangements, direct drive
Arrangement 4 fans of all styles, where the fan wheel mounts directly onto the motor shaft, are
more compact, require less maintenance, and generally have a lower first cost. However,
relativeto belt-drive fans, they are limited in application, size, available features,and the ability
to adjust performance.
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