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    Centrifugal Downblast Exhaust Fan, Product # GB-200-LMD130XQD, 1707-6640 CFM

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    Centrifugal Downblast Exhaust Fan, Product # GB-200-LMD130XQD, 1707-6640 CFM

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    CFM Range
    1707-6640
    CFM

    Mounting Location
    Roof

    Drive Package
    No drive package included

    • 30 x 30 inch base with prepunched mounting holes for easy attachment to roof curb
    • Multiple motor and drive options available to meet any performance and application need
    • 26.5 x 26.5 inch recommended roof opening

    • Shipping Type:
      Freight
    View other GB-200 products
    $1,372.47
    In stock 
    6 on Hand
    Free shipping
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    CFM Range
    1707-6640
    CFM

    Mounting Location
    Roof

    Drive Package
    No drive package included

    • 30 x 30 inch base with prepunched mounting holes for easy attachment to roof curb
    • Multiple motor and drive options available to meet any performance and application need
    • 26.5 x 26.5 inch recommended roof opening

    • Shipping Type:
      Freight
    View other GB-200 products

    Model GB, belt drive centrifugal roof exhaust fans are designed to meet the general clean air exhaust requirements for industrial and commercial buildings. Units feature a fully rolled windband bead for increased stability and easy transport. Fresh outside air is drawn in under the motor cover to maximize motor life. Ideal for new installations or for retrofit, replacement applications. Curb adapters and reducers available to eliminate the need to field fabricate transitions when there is an existing roof curb.

    • Centrifugal wheel provides high-efficiency and minimal sound
    • True vibration isolation supports the motor and wheel for long life and quiet operation
    • One-piece aluminum curb cap provides a weather-tight fit
    • Galvanized birdscreen protects the fan discharge from birds and small objects
    • Fully rolled windband bead for increased stability and easy transport
    • Positive motor cooling with fresh air results in maximum motor life
    • Permanent embossed aluminum nameplate for exact model and serial number identification

    Similar to:

    1. ACME PV-150
    2. ACME PV-165
    3. Captive Aire DD-FA-15
    4. Carnes VEBK-15
    5. Carnes VEBK-18
    6. Loren Cook ACEB-180
    7. Soler & Palau SDB-14
    8. Soler & Palau SDB-15
    9. Soler & Palau SDB-16
    10. Twin City Fan BCRD-140D
    11. Twin City Fan BCRD-160D
    12. Twin City Fan BCRD-180D
    13. Twin City Fan BCRD-180D
    14. Twin City Fan BCRD-180DHP
    15. Twin City Fan BCRD-210D
    16. Twin City Fan BCRD-210D
    17. Twin City Fan BCRD-210DHP

    California Residents-

    Prop 65 Warning
    California Title 20
    Specifications
    Base/Panel Length X Width
    30 x 30 in
    Curb Cap Size
    30 in
    Impeller Diameter
    21 5/8 in
    Roof Opening Width x Roof Opening Length
    26 1/2 x 26 1/2 in
    Base Height
    1 3/4 in
    Base Top to Shroud Top
    28 in
    Damper Width x Damper Height
    24 x 24 in
    Bearing Size
    3/4 in
    Height
    28 in
    Weight
    91 lbs
    Overall Diameter
    35 1/2 in
    Application
    Exhaust General and Clean Air
    Housing Material
    Spun Aluminum
    Drive Type
    Belt Drive
    Impeller Type
    Centrifugal Wheel
    Impeller Material
    Aluminum
    Certifications
    AMCA Sound & Air
    High Wind and Hurricane
    Seismic
    UL/cUL 705
    Drive Package Description
    No drive package included
    Required Accessory
    Roof curb for new installations
    Motor Included
    No
    Shipping Type
    Freight
    Package Depth
    38 in
    Package Height
    40 in
    Package Weight
    91 lbs
    Package Width
    38 in
    Warranty Length
    1 Year
    Performance
    CFM Range
    1707-6640
    FRPM Range
    450-1200
    What do these terms (BHP, CFM, Sones, etc.) mean?

    California Title 20 | Fan Energy Index Boundaries
    Fan Energy Index >= 1.00 Efficiency Boundaries

    Max Airflow (CFM) 5072
    Max Fan Speed (RPM) 1201
    Max Pressure (in. w.g.) 1.770
    Type of Pressure Static

    Note: Operation outside of these boundaries will result in an energy inefficient operation

    		Ps (in. wg) 0 0.125 0.25 0.375 0.5 0.625 0.75 0.875 1 1.25 1.5 1.75
    1/4 0.14 490 450 CFM 2712 2308 1707 - - - - - - - - -
    Sones 7.1 6.5 5.2 - - - - - - - - -
    Bhp 0.14 0.14 0.14 - - - - - - - - -
    1/4 0.27 610 490 CFM 3376 3044 2708 2203 - - - - - - - -
    Sones 8.7 8.2 7.6 6.4 - - - - - - - -
    Bhp 0.26 0.27 0.27 0.26 - - - - - - - -
    1/3 0.19 540 470 CFM 2988 2620 2186 - - - - - - - - -
    Sones 7.7 7.2 6.3 - - - - - - - - -
    Bhp 0.18 0.19 0.19 - - - - - - - - -
    1/3 0.36 670 540 CFM 3708 3409 3117 2744 2146 - - - - - - -
    Sones 9.8 9.3 8.8 8 6.8 - - - - - - -
    Bhp 0.35 0.35 0.36 0.36 0.34 - - - - - - -
    1/2 0.53 760 610 CFM 4206 3953 3683 3407 3063 2528 - - - - - -
    Sones 12 11.1 10.7 10.3 9.7 9 - - - - - -
    Bhp 0.5 0.51 0.53 0.53 0.53 0.5 - - - - - -
    3/4 0.41 700 640 CFM 3874 3591 3308 2974 2494 - - - - - - -
    Sones 10.5 9.8 9.4 8.8 7.8 - - - - - - -
    Bhp 0.39 0.4 0.41 0.41 0.4 - - - - - - -
    3/4 0.8 870 700 CFM 4814 4607 4349 4132 3881 3582 3198 2616 - - - -
    Sones 14.6 13.8 13.3 12.8 12.2 11.8 11.2 11.6 - - - -
    Bhp 0.76 0.76 0.78 0.8 0.8 0.79 0.77 0.71 - - - -
    1 0.29 620 600 CFM 3431 3104 2778 2308 - - - - - - - -
    Sones 8.9 8.4 7.8 6.7 - - - - - - - -
    Bhp 0.27 0.28 0.29 0.28 - - - - - - - -
    1 0.55 770 620 CFM 4261 4013 3744 3477 3141 2643 - - - - - -
    Sones 12.3 11.3 11 10.5 10 9.4 - - - - - -
    Bhp 0.52 0.53 0.55 0.55 0.55 0.52 - - - - - -
    1 1.07 960 770 CFM 5312 5129 4897 4689 4488 4250 3977 3644 3182 - - -
    Sones 16.8 16.1 15.4 15.1 14.5 14.1 13.7 13.1 13 - - -
    Bhp 1.02 1.03 1.03 1.06 1.07 1.07 1.07 1.05 1 - - -
    1 1/2 0.82 880 810 CFM 4870 4666 4409 4195 3951 3658 3293 2765 - - - -
    Sones 14.8 14 13.5 13 12.4 12 11.5 11.7 - - - -
    Bhp 0.78 0.79 0.8 0.82 0.82 0.82 0.8 0.76 - - - -
    1 1/2 1.61 1100 880 CFM 6087 5927 5742 5533 5363 5187 4994 4773 4527 3866 - -
    Sones 21 20 19.6 19 18.8 18.4 18 17.7 17.3 16.3 - -
    Bhp 1.53 1.54 1.55 1.56 1.6 1.61 1.61 1.61 1.6 1.53 - -
    2 2.09 1200 960 CFM 6640 6494 6336 6145 5969 5813 5651 5477 5274 4829 4177 3077
    Sones 24 24 23 23 22 22 22 21 21 20 18.9 16.9
    Bhp 1.99 2 2.01 2.02 2.04 2.08 2.09 2.09 2.09 2.08 1.99 1.69
    		1/4 1/4 1/3 1/3 1/2 3/4 3/4 1 1 1 1 1/2 1 1/2 2
    		0.14 0.27 0.19 0.36 0.53 0.41 0.8 0.29 0.55 1.07 0.82 1.61 2.09
    		490 610 540 670 760 700 870 620 770 960 880 1100 1200
    		450 490 470 540 610 640 700 600 620 770 810 880 960
    Ps (in. wg) CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp CFM Sones Bhp
    0 2712 7.1 0.14 3376 8.7 0.26 2988 7.7 0.18 3708 9.8 0.35 4206 12 0.5 3874 10.5 0.39 4814 14.6 0.76 3431 8.9 0.27 4261 12.3 0.52 5312 16.8 1.02 4870 14.8 0.78 6087 21 1.53 6640 24 1.99
    0.125 2308 6.5 0.14 3044 8.2 0.27 2620 7.2 0.19 3409 9.3 0.35 3953 11.1 0.51 3591 9.8 0.4 4607 13.8 0.76 3104 8.4 0.28 4013 11.3 0.53 5129 16.1 1.03 4666 14 0.79 5927 20 1.54 6494 24 2
    0.25 1707 5.2 0.14 2708 7.6 0.27 2186 6.3 0.19 3117 8.8 0.36 3683 10.7 0.53 3308 9.4 0.41 4349 13.3 0.78 2778 7.8 0.29 3744 11 0.55 4897 15.4 1.03 4409 13.5 0.8 5742 19.6 1.55 6336 23 2.01
    0.375 - - - 2203 6.4 0.26 - - - 2744 8 0.36 3407 10.3 0.53 2974 8.8 0.41 4132 12.8 0.8 2308 6.7 0.28 3477 10.5 0.55 4689 15.1 1.06 4195 13 0.82 5533 19 1.56 6145 23 2.02
    0.5 - - - - - - - - - 2146 6.8 0.34 3063 9.7 0.53 2494 7.8 0.4 3881 12.2 0.8 - - - 3141 10 0.55 4488 14.5 1.07 3951 12.4 0.82 5363 18.8 1.6 5969 22 2.04
    0.625 - - - - - - - - - - - - 2528 9 0.5 - - - 3582 11.8 0.79 - - - 2643 9.4 0.52 4250 14.1 1.07 3658 12 0.82 5187 18.4 1.61 5813 22 2.08
    0.75 - - - - - - - - - - - - - - - - - - 3198 11.2 0.77 - - - - - - 3977 13.7 1.07 3293 11.5 0.8 4994 18 1.61 5651 22 2.09
    0.875 - - - - - - - - - - - - - - - - - - 2616 11.6 0.71 - - - - - - 3644 13.1 1.05 2765 11.7 0.76 4773 17.7 1.61 5477 21 2.09
    1 - - - - - - - - - - - - - - - - - - - - - - - - - - - 3182 13 1 - - - 4527 17.3 1.6 5274 21 2.09
    1.25 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3866 16.3 1.53 4829 20 2.08
    1.5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4177 18.9 1.99
    1.75 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3077 16.9 1.69
    • Greenheck Fan Corporation certifies that the model shown herein is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.
    • Performance certified is for installation type A: Free inlet, Free outlet.
    • Power rating (BHP/kW) includes transmission losses.
    • Performance ratings include the effects of birdscreen.
    • The sound ratings shown are loudness values in fan sones at 5 ft. (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation type A: free inlet hemispherical sone levels.
    Documents

    General

    Instruction Manuals

    Videos

    Common methods for tensioning a rooftop exhaust fan belt

    Centering a wheel on a spun aluminum rooftop exhaust fan

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