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Radial Blade Centrifugal Fan | D6900

Canada Fans Industrial Blowers and Fans has a long and well established record of producing a full range of large Radial Blade Centrifugal Fans for commercial and industrial applications. Our Engineering and Product Design Departments have expert professionals who can assist customers develop custom designed air handling and conveying systems that meet and exceed their critical industrial fan and blower applications. Regardless of your ventilation requirements, rely on Canada Fans Industrial Blowers & Fans to deliver the best and most effective air movement systems and solutions possible.


Canada Fans Inc.

Canada Fans Product Index

www.canadafans.com

SQUARE BODY RADIAL BLADE CENTRIFUGAL FAN –D6900 GENERAL SPECIFICATION.

The centrifugal fan shall be designed and manufactured by Canada Fans to ensure reliable construction. Fan wheel shall be a radial paddle wheel “XO” (radial tipped with backplate “XC”, radial tipped with backplate and shroud “XS”, radial with backplate and shroud “XB”) as shown in plans with all steel construction. Unless otherwise directed, fan arrangement, motor location, support base, rotation and discharge are as shown on the layout drawings.

PERFORMANCE

Fan ratings shall be based on tests made in accordance with AMCA Standard 210. Flow shall be actual volumetric flow at the fan inlet. Fan static pressure is defined as static pressure at fan outlet less total pressure at fan inlet. Standard inlet density is to be taken as 0.75 lb/ft3 with corrections for temperature, elevation, inlet static pressure, gas composition and humidity as defined in the schedule. Fans shall be selected to operate to the right of the peak static pressure at the given speed to ensure stable performance. Fan brake horsepower shall be equal to or less than specified at the given flow and fan static pressure.

SOUND

Fan manufacturers shall provide sound power level ratings for fans tested and rated in accordance with AMCA Standards 300 and 301. Sound power ratings shall be in decibels (reference 10-12 watts) in eight octave bands. Sound power levels will be corrected for installation by the specifying engineer...dBA or sound pressure levels only are not acceptable.

CONSTRUCTION

Fan housings are to be heavy -- min. per table below, continuously welded construction with flanged and punched outlet. Housings with lock seams or spot welded construction are not acceptable. Bearing mounts to be welded perpendicular to the fan shaft.

Fan Size Housing Thickness
5 – 9 12 ga (0.1046” – 2.7 mm)
11 – 17 10 ga (0.1345” – 3.4 mm)

BEARINGS (belt driven fans)

Bearings are to be heavy duty, grease lubricated, precision anti-friction flange mounted, self-aligning deep groove ball. Bearings shall be designed for a minimum L-10 life of AMCA Class I: 15,000, AMCA Class II: 15,000 up to 24” Dia.—40,000 over, AMCA Class III: 40,000, when rated at the fan's maximum cataloged operating speed for the AMCA class.

SHAFT (belt driven fans)

Shafts are to be ASTM A-108 steel, grade 1040/1045, precision turned, ground and polished. Grade 1018 steel is not acceptable. The shaft's first critical speed shall be at least 143% of the fan's maximum operating speed.

Canada Fans Inc.

Canada Fans Product Index

www.canadafans.com

SQUARE BODY RADIAL BLADE CENTRIFUGAL FAN –D6900

PAINT

All fan surfaces are to be thoroughly prepared prior to painting using a combination of washing and hand and power tool cleaning as required in SSPC-SP-3. After cleaning, all surfaces (except wheel) are to be coated with industrial grade alkyd enamel. Surfaces of bolted components not accessible after assembly shall be coated and allowed to dry prior to final assembly. Primer only will not be accepted.

BALANCE & INSPECTION

All fans shall be precision balanced to ISO quality grade 2.5, report to be submitted with the maintenance manual. A final inspection by a qualified inspector prior to shipment is required to include: scope of supply confirmation, balance, welding, dimensions, bearings, duct and base connection points, paint finish and overall workmanship.

ACCESSORIES

Accessories shall be provided as called for in the plans and specifications. Standard accessories include:

Motor to be NEMA Design B 3/60/460-575V-1800 rpm, high efficiency TEFC 1.15 SF V-Belt Drives - Variable Speed/Constant Speed with min 1.5 SF Belt Guard or weather cover required Extended lubrication lines (nylon, copper or stainless steel) with fittings terminating in an accessible area.

Additional Features that may be required:

Split pillow block bearings Access Door – bolted/quick opening or plug type with raised door Companion Flange (angle companion flange bolted to the fan inlet or outlet flange) Inlet or Outlet screen heavy gauge wire on 2” centres Above 300°F, Shaft cooling wheel required Above 500°F, high temperature aluminum paint required Vibration Isolation - Spring - Rubber-In-Shear Variable inlet vanes Spark Resistant Construction

AMCA “A” All parts of the fan in contact with the air stream non-ferrous material AMCA “B” Non-ferrous wheel and aluminum rubbing ring where shaft passes through Housing with shaft seal AMCA “C” Aluminum inlet cone and Aluminum rubbing ring


Contact Canada Fans today to find out more about our full line of world class backward inclined blowers to meet all of your industrial blower fan needs. Our backward inclined blowers are used in both commercial and industrial applications and are used all over Canada and the United States. Our Industrial Blowers and Large Industrial Fans come in both Direct Drive Blower and Belt Drive Blower configurations. You can also choose between forward curve blowers and backward inclined blowers, depending on your needs. We also carry a range of centrifugal blower fans which are high rated and high temperature blowers. We also carry a wide range of propeller fans, plenum fans, large industrial fans which can come in both belt drive and direct drive configurations.



Canada Fans offers a full line of the following Industrial Blower Fan Products:



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