EF - Exhaust Fan Cutsheet.pdf
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- Solicitation number
- 47PB5126R0008
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About this file
This is a product specification sheet for a Greenheck Model SQ-80-VG Direct Drive Centrifugal Inline Fan, marked as "Cut Sheet - Not for Submittal" and generated on January 9, 2026.
The SQ-80-VG is a compact inline ventilation fan with the following key specifications: single unit quantity weighing 32 pounds without accessories and 41 pounds with accessories. The fan delivers 250 CFM (cubic feet per minute) at 1,652 RPM with a total external static pressure of 0.516 inches of water gauge and operating power of 0.07 horsepower. The unit features a 1/10 hp motor (nameplate model SQ-80-VG-X) mounted on the fan housing, rated for 230/60/1 voltage/cycle/phase with TENV enclosure and 0.9 FLA. Motor specifications include 1 MCA, 15 MOP, and 5 kA SCCR. The fan includes standard construction features such as galvanized steel housing, backward inclined composite wheel, two bolted access panels, integral duct connection flanges, and corrosion-resistant fasteners. Selected options and accessories include a Vari-Green EC motor with external dial control mounted and wired, composite centrifugal wheel, motor cover, wheel baffle, and a gravity-operated inline damper (BD-330-PB-12X12) shipped loose and uncoated. The unit carries a standard 1-year warranty and is UL/cUL 705 listed as a "Power Ventilator." Sound ratings include inlet loudness of 8.1 sones and radiated sound of 7.2 sones at 5 feet. AMCA certified performance data is provided for installation type B (free inlet, ducted outlet) per AMCA Publications 211 and 311, with dimensional drawings provided showing inlet, outlet, and side view configurations.
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Text version
Model: SQ-80-VG Direct Drive Centrifugal Inline Fan
Dimensional Quantity 1
Weight w/o Acc's (lb) 32
Weight w/ Acc's (lb) 41
Optional Damper (in.) 12 x 12
Performance Requested Volume (CFM) 250
Actual Volume (CFM) 250
Total External SP (in. wg) 0.516
Fan RPM 1652
Operating Power (hp) 0.07
Elevation (ft) 62
Airstream Temp.(F) 70
Air Density (lb/ft3) 0.075
Tip Speed (ft/min) 4,702 Static Eff. (%) 31
Misc Fan Data Fan Energy Index (FEI) -
Outlet Velocity (ft/min) 250
Motor Motor Mounted Yes
Size (hp) 1/10
Voltage/Cycle/Phase 230/60/1
Enclosure TENV
Motor RPM 1725
Windings 1 FLA (Amps) 0.9
Min. Circuit Ampacity (MCA) 1 Max. Overcurrent Protection (MOP) 15
Short Circuit Current Rtg (SCCR) 5 kA
Nameplate Model: SQ-80-VG-X
Static Pressure Calculations External SP 0.5 in. wg Damper 0.016 in. wg Total External SP 0.516 in. wg
Notes:
All dimensions shown are in units of in.
*NEC FLA, MCA and MOP are for reference only – based on tables 430.248 or 430.25 of National Electric Code 2020. Actual motor FLA may vary, for sizing thermal overload, consult factory.MCA and MOP values shown only account for the motor, not accessories (damper actuator, field supplied VFD, etc).
LwA - A weighted sound power level, based on ANSI S1.4 dBA - A weighted sound pressure level, based on 11.5 dB attenuation per Octave band at 5 ft - dBA levels are not licensed by AMCA International Sones - calculated using AMCA 301 at 5 ft
Sound Power by Octave Band Sound Data 62.5 125 250 500 1000 2000 4000 8000 LwA dBA Sones
Inlet 69 74 70 63 61 59 54 48 68 56 8.1 Radiated 70 76 64 57 56 53 48 44 64 53 7.2
Cut Sheet - Not for Submittal 01/09/2026Printed Date:
EF-1Mark:
SQ-80-VGModel:
Generated by: sheckman@rfsengineering.comCAPS 4.48.1062 Page 1 of 4 C:\Users\smh1028\OneDrive - RFS Engineering\Documents\CAPS\Jobs\10199.gfcj
Model: SQ-80-VG Direct Drive Centrifugal Inline Fan Greenheck model SQ Mixed Flow meets or exceeds legacy centrifugal models SQ/BSQ in performance and features. SQ Mixed flow is an approved equal and can be considered a direct replacement for these models.
Standard Construction Features:
- Galvanized steel housing - Backward inclined composite (sizes 60-95) or aluminum (sizes 97-160) wheel - Two bolted access panels - Integral duct connection flanges - Ball bearing motors (sizes 97-160 and all vari-green motors), sleeve bearing motors (sizes 60-95) - Corrosion resistant fasteners Selected Options & Accessories:
Motor - Vari-Green EC motor Control - Vari-Green Dial on Exterior of Fan Housing, Mounted and Wired Provided motor meets the motor efficiency requirements set forth in 2024 Title 24/ California UL/cUL 705 Listed - "Power Ventilators" Junction Box Mounted and Wired Switch, NEMA-1, Toggle, Shipped Separate Composite Centrifugal Wheel Motor Cover Wheel Baffle Damper Shipped Loose, Inline, BD-330-PB-12X12, Gravity Operated, Not Coated Unit Warranty: 1 Yr (Standard)
Cut Sheet - Not for Submittal 01/09/2026Printed Date:
EF-1Mark:
SQ-80-VGModel:
Generated by: sheckman@rfsengineering.comCAPS 4.48.1062 Page 2 of 4
INLET
END VIEW SIDE VIEW
A
IR
FL
O W
A
IR
FL
O W
TOP VIEW
15.0011.88 SQ.
15.00 16.00
1.00
1.00
1.00
1.00
SQ-80-VG Direct Drive Centrifugal Inline Fan
Notes: All dimensions shown are in units of in.
Cut Sheet - Not for Submittal 01/09/2026Printed Date:
EF-1Mark:
SQ-80-VGModel:
Generated by: sheckman@rfsengineering.comCAPS 4.48.1062 Page 3 of 4
AMCA
AMCA Licensed for Sound and Air Performance Without Appurtenances (Accessories). Power rating (BHP/kW) does not include transmission losses.
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 B: Free inlet, Ducted outlet. Power rating (BHP/kW) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories). The inlet 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 B: free inlet hemispherical sone levels. dBA levels are not licensed by AMCA International. The AMCA Certified Ratings Seal applies to inlet sone ratings only. Radiated (casing) sound data is the sound generated through the fan housing when the fan is ducted on both the inlet and outlet.
The AMCA licensed air and/or sound performance data has been modified for installation, appurtenances or accessories, etc. not included in the certified data. The modified performance is not AMCA licensed but is provided to aid in selection and applications of the product.
Cut Sheet - Not for Submittal 01/09/2026Printed Date:
EF-1Mark:
SQ-80-VGModel:
Generated by: sheckman@rfsengineering.comCAPS 4.48.1062 Page 4 of 4
File details come from the government source that posted it. Updated .