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    Centrifugal Downblast Exhaust Fan, Product # GB-180-LMD130XQD, 1371-5677 CFM

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    Centrifugal Downblast Exhaust Fan, Product # GB-180-LMD130XQD, 1371-5677 CFM

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    CFM Range
    1371-5677
    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-180 products
    $1,306.69
    25 Days
    Lead Time 
    Free shipping
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    CFM Range
    1371-5677
    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-180 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-165
    2. Captive Aire DD-FA-15
    3. Captive Aire DD-HPFA-18
    4. Carnes VEBK-15
    5. Loren Cook ACEB-150
    6. Loren Cook ACEB-165
    7. Loren Cook ACEB-180
    8. Soler & Palau SDB-14
    9. Soler & Palau SDB-15
    10. Soler & Palau SDB-16
    11. Twin City Fan BCRD-140D
    12. Twin City Fan BCRD-160D
    13. Twin City Fan BCRD-180DHP

    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
    19 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
    87 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
    Warranty Length
    1 Year
    Performance
    CFM Range
    1371-5677
    FRPM Range
    500-1460
    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) 4821
    Max Fan Speed (RPM) 1461
    Max Pressure (in. w.g.) 2.310
    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 2 2.25
    1/4 0.16 620 500 CFM 2411 2207 1936 1527 - - - - - - - - - -
    Sones 5.9 6.9 6.8 5.5 - - - - - - - - - -
    Bhp 0.13 0.15 0.16 0.15 - - - - - - - - - -
    1/4 0.3 770 620 CFM 2994 2833 2652 2427 2139 1701 - - - - - - - -
    Sones 8.2 9.5 7.9 8.2 7.6 6.6 - - - - - - - -
    Bhp 0.25 0.26 0.29 0.3 0.3 0.28 - - - - - - - -
    1/3 0.21 680 550 CFM 2644 2460 2232 1934 1371 - - - - - - - - -
    Sones 6.8 8.1 6.7 6.9 5.3 - - - - - - - - -
    Bhp 0.17 0.19 0.2 0.21 0.18 - - - - - - - - -
    1/3 0.4 850 680 CFM 3305 3161 3007 2816 2593 2323 1929 - - - - - - -
    Sones 10 10.7 9.7 9.2 9.7 8.7 7.9 - - - - - - -
    Bhp 0.34 0.35 0.38 0.39 0.4 0.4 0.38 - - - - - - -
    1/2 0.16 630 510 CFM 2450 2249 1989 1612 - - - - - - - - - -
    Sones 6 7.1 6.8 5.8 - - - - - - - - - -
    Bhp 0.14 0.15 0.16 0.16 - - - - - - - - - -
    1/2 0.31 780 630 CFM 3033 2874 2697 2478 2201 1796 - - - - - - - -
    Sones 8.4 9.6 8.2 8.2 7.8 6.9 - - - - - - - -
    Bhp 0.26 0.27 0.3 0.31 0.31 0.29 - - - - - - - -
    1/2 0.6 970 780 CFM 3772 3648 3513 3370 3196 3005 2787 2522 2083 - - - - -
    Sones 14 13.9 13.1 12.5 12.2 11.6 11.4 10.9 10.2 - - - - -
    Bhp 0.5 0.52 0.54 0.57 0.59 0.6 0.6 0.59 0.55 - - - - -
    3/4 0.46 890 730 CFM 3461 3324 3177 3005 2807 2569 2271 - - - - - - -
    Sones 11.2 11.6 10.8 10.1 10.1 9.6 9.1 - - - - - - -
    Bhp 0.39 0.4 0.43 0.45 0.46 0.46 0.46 - - - - - - -
    3/4 0.9 1110 890 CFM 4316 4209 4093 3975 3846 3695 3538 3353 3156 2600 - - - -
    Sones 17.5 17 16.4 15.8 15.4 15.1 14.6 14.2 13.9 13 - - - -
    Bhp 0.75 0.77 0.79 0.82 0.86 0.87 0.9 0.9 0.9 0.85 - - - -
    1 0.64 990 850 CFM 3850 3728 3597 3459 3292 3112 2898 2650 2301 - - - - -
    Sones 14.9 14.6 13.7 13.2 12.8 12.2 11.9 11.5 11 - - - - -
    Bhp 0.53 0.55 0.57 0.61 0.62 0.64 0.64 0.63 0.6 - - - - -
    1 1.23 1230 990 CFM 4783 4686 4584 4478 4371 4250 4114 3973 3818 3460 2969 - - -
    Sones 20 19.6 19.1 18.6 18.2 17.9 17.6 17.3 17 16.3 15.5 - - -
    Bhp 1.02 1.05 1.07 1.08 1.14 1.17 1.19 1.21 1.23 1.22 1.17 - - -
    1 1/2 0.93 1120 920 CFM 4355 4249 4134 4017 3891 3743 3587 3407 3217 2686 - - - -
    Sones 17.8 17.2 16.6 16 15.7 15.3 14.9 14.4 14.1 13.3 - - - -
    Bhp 0.77 0.79 0.81 0.84 0.88 0.9 0.92 0.93 0.93 0.88 - - - -
    1 1/2 1.81 1400 1120 CFM 5444 5359 5273 5180 5086 4992 4892 4777 4655 4401 4097 3747 3253 -
    Sones 25 24 23 23 22 22 22 22 21 21 21 20 19.6 -
    Bhp 1.51 1.54 1.56 1.58 1.61 1.67 1.71 1.73 1.75 1.81 1.81 1.79 1.71 -
    2 1.06 1170 1070 CFM 4549 4448 4339 4227 4114 3977 3829 3675 3493 3082 - - - -
    Sones 18.9 18.3 17.7 17.2 16.9 16.5 16.2 15.8 15.4 14.7 - - - -
    Bhp 0.88 0.9 0.92 0.95 1 1.01 1.03 1.06 1.06 1.04 - - - -
    2 2.05 1460 1170 CFM 5677 5596 5514 5425 5336 5246 5155 5049 4938 4699 4426 4123 3765 3210
    Sones 27 26 25 24 24 24 24 23 23 23 22 22 22 21
    Bhp 1.71 1.74 1.77 1.79 1.81 1.86 1.93 1.95 1.97 2.03 2.05 2.05 2.02 1.89
    		1/4 1/4 1/3 1/3 1/2 1/2 1/2 3/4 3/4 1 1 1 1/2 1 1/2 2 2
    		0.16 0.3 0.21 0.4 0.16 0.31 0.6 0.46 0.9 0.64 1.23 0.93 1.81 1.06 2.05
    		620 770 680 850 630 780 970 890 1110 990 1230 1120 1400 1170 1460
    		500 620 550 680 510 630 780 730 890 850 990 920 1120 1070 1170
    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 CFM Sones Bhp CFM Sones Bhp
    0 2411 5.9 0.13 2994 8.2 0.25 2644 6.8 0.17 3305 10 0.34 2450 6 0.14 3033 8.4 0.26 3772 14 0.5 3461 11.2 0.39 4316 17.5 0.75 3850 14.9 0.53 4783 20 1.02 4355 17.8 0.77 5444 25 1.51 4549 18.9 0.88 5677 27 1.71
    0.125 2207 6.9 0.15 2833 9.5 0.26 2460 8.1 0.19 3161 10.7 0.35 2249 7.1 0.15 2874 9.6 0.27 3648 13.9 0.52 3324 11.6 0.4 4209 17 0.77 3728 14.6 0.55 4686 19.6 1.05 4249 17.2 0.79 5359 24 1.54 4448 18.3 0.9 5596 26 1.74
    0.25 1936 6.8 0.16 2652 7.9 0.29 2232 6.7 0.2 3007 9.7 0.38 1989 6.8 0.16 2697 8.2 0.3 3513 13.1 0.54 3177 10.8 0.43 4093 16.4 0.79 3597 13.7 0.57 4584 19.1 1.07 4134 16.6 0.81 5273 23 1.56 4339 17.7 0.92 5514 25 1.77
    0.375 1527 5.5 0.15 2427 8.2 0.3 1934 6.9 0.21 2816 9.2 0.39 1612 5.8 0.16 2478 8.2 0.31 3370 12.5 0.57 3005 10.1 0.45 3975 15.8 0.82 3459 13.2 0.61 4478 18.6 1.08 4017 16 0.84 5180 23 1.58 4227 17.2 0.95 5425 24 1.79
    0.5 - - - 2139 7.6 0.3 1371 5.3 0.18 2593 9.7 0.4 - - - 2201 7.8 0.31 3196 12.2 0.59 2807 10.1 0.46 3846 15.4 0.86 3292 12.8 0.62 4371 18.2 1.14 3891 15.7 0.88 5086 22 1.61 4114 16.9 1 5336 24 1.81
    0.625 - - - 1701 6.6 0.28 - - - 2323 8.7 0.4 - - - 1796 6.9 0.29 3005 11.6 0.6 2569 9.6 0.46 3695 15.1 0.87 3112 12.2 0.64 4250 17.9 1.17 3743 15.3 0.9 4992 22 1.67 3977 16.5 1.01 5246 24 1.86
    0.75 - - - - - - - - - 1929 7.9 0.38 - - - - - - 2787 11.4 0.6 2271 9.1 0.46 3538 14.6 0.9 2898 11.9 0.64 4114 17.6 1.19 3587 14.9 0.92 4892 22 1.71 3829 16.2 1.03 5155 24 1.93
    0.875 - - - - - - - - - - - - - - - - - - 2522 10.9 0.59 - - - 3353 14.2 0.9 2650 11.5 0.63 3973 17.3 1.21 3407 14.4 0.93 4777 22 1.73 3675 15.8 1.06 5049 23 1.95
    1 - - - - - - - - - - - - - - - - - - 2083 10.2 0.55 - - - 3156 13.9 0.9 2301 11 0.6 3818 17 1.23 3217 14.1 0.93 4655 21 1.75 3493 15.4 1.06 4938 23 1.97
    1.25 - - - - - - - - - - - - - - - - - - - - - - - - 2600 13 0.85 - - - 3460 16.3 1.22 2686 13.3 0.88 4401 21 1.81 3082 14.7 1.04 4699 23 2.03
    1.5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2969 15.5 1.17 - - - 4097 21 1.81 - - - 4426 22 2.05
    1.75 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3747 20 1.79 - - - 4123 22 2.05
    2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3253 19.6 1.71 - - - 3765 22 2.02
    2.25 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3210 21 1.89
    • 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

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