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    Axial Upblast Exhaust Fan, Product # RBUMO-2L48-50X-QD

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    Axial Upblast Exhaust Fan, Product # RBUMO-2L48-50X-QD

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    Electrical


    CFM Range
    22206-36242
    CFM

    Motor

    Belt Drive

    • 48 inch steeply pitched, fabricated steel propeller for low sound levels
    • 57.5 x 57.5 inch base with prepunched mounting holes for easy attachment to roof curb
    • 54 x 54 inch recommended roof opening

    • Shipping Type:
      Freight
    $6,426.00
    In stock 
    179 on Hand
    Free shipping
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    Electrical


    CFM Range
    22206-36242
    CFM

    Motor

    Belt Drive

    • 48 inch steeply pitched, fabricated steel propeller for low sound levels
    • 57.5 x 57.5 inch base with prepunched mounting holes for easy attachment to roof curb
    • 54 x 54 inch recommended roof opening

    • Shipping Type:
      Freight

    The RBUMO is an upblast axial exhaust fan designed to discharge air and contaminants up and away from the roof surface for most commercial and many industrial applications. This belt-driven fan features a welded steel propeller designed to run at lower RPMs, generating low sound levels, making the RBUMO the ideal solution for sound critical installations. The motor is located outside of the airstream to allow for high temperature air to be exhausted as well as roof access to the motor.

    • Variable pitch adjustable motor pulley to optimize fan performance
    • Adjustable motor plate for belt tensioning
    • Drive assembly belts, pulleys and keys are sized for 150% of driven horsepower
    • Belts are static–resistant and oil free
    • Cast iron pillow block bearings with grease fittings
    • Steel butterfly dampers prevent backdrafts and provide weather protection when fan is not in operation
    • Drive frames are die-formed, galvanized structural settl to provide a rigid platform for motors, shafts, bearings and drives
    • Windband mounting brackets are designed to also be used as lifting lugs for ease when lifting unit to the roof deck
    Specifications
    Shaft Diameter
    1.25 in
    Base/Panel Length X Width
    57 1/2 x 57 1/2 in
    Curb Cap Size
    57 1/2 in
    Impeller Diameter
    48 in
    Roof Opening Width x Roof Opening Length
    54 x 54 in
    Base Height
    2 1/4 in
    Bearing Size
    1 1/4 in
    Height
    63 5/8 in
    Weight
    750 lbs
    Application
    Exhaust General and Clean Air
    Exhaust Air
    Housing Material
    Galvanized Steel
    Drive Type
    Belt Drive
    Impeller Type
    Propeller
    Impeller Material
    Steel
    Includes
    Damper latches
    Steel butterfly damper
    Tie down points
    Certifications
    AMCA Sound & Air
    UL/cUL 705
    Drive Package Description
    Drives Assembled
    Required Accessory
    Roof curb for new installations
    Shipping Type
    Freight
    Performance
    CFM Range
    22206-36242
    FRPM Range
    469-612
    What do these terms (BHP, CFM, Sones, etc.) mean?
    		Ps (in. wg) 0 0.125 0.25 0.375 0.5 0.625
    5 6.22 612 469 CFM 36242 34406 31913 29197 26343 22206
    Sones 29 29 29 29 29 29
    Bhp 5.97 6.16 6.22 6.21 6.16 6.13
    		5
    		6.22
    		612
    		469
    Ps (in. wg) CFM Sones Bhp
    0 36242 29 5.97
    0.125 34406 29 6.16
    0.25 31913 29 6.22
    0.375 29197 29 6.21
    0.5 26343 29 6.16
    0.625 22206 29 6.13
    Documents

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    Note: We will only use your email to notify you when there is a reply to your question.
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