Greenheck Fan Explore Greenheck Nomenclature & High Efficiency Mixed Flow Fans

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Quiet & Efficient, Inline

Mixed Flow Fans

Mixed flow inline fans can be used for supply, exhaust, or return air installations. Our patented design excels in commercial applications where low sound is critical. In addition, Greenheck’s mixed flow fans are more efficient than comparably sized tubular centrifugal and vane axial fans, thus reducing the required motor horsepower and lowering operating costs.

Greenheck’s mixed flow fans are the quietest tubular inline fans in the industry!

Performance as cataloged is assured. All sizes are licensed to bear the AMCA Certified Sound (both inlet and outlet) and Air Performance Seal.

UL/cUL Listed

 

QEI-L

 

QEI-I/II

QEID

705

- Electrical

Emergency Smoke Evacuation

 

 

762

- Restaurant Grease Exhaust

 

 

 

All sizes are tested before they leave the factory to ensure trouble-free operation at the jobsite.

Compact size and a “Universal Mounting System” make tight space considerations and last minute mounting changes easy to handle at the jobsite.

The belt drive models use air handling quality bearings that are 100% inspected for swivel torque, noise levels, and bore tolerances.

These products are subjected to extensive life cycle testing, assuring many years of reliable performance.

Typical Mixed Flow Applications:

Recommended for any ventilation application that requires low sound and high efficiency, such as office buildings, parking garages, concert halls, libraries, and educational facilities.

Greenheck Fan Corporation certifies that the model QEI-L, QEI-I/II and

QEID shown herein are 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.

For QEID performance showing AMCA licensed data for sound and air performance, please refer to the QEID Sound and Air Performance Supplement found on our website at www.greenheck.com.

See page 10 for details.

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Model QEI-L – Belt Drive

11 sizes available (12 thru 36)

Volume Range: 700 - 40,000 cfm (1190 - 67,960 m3/hr)

Static Pressure: Up to 5 in. wg (1245 Pa)

Model QEI-I/II – Belt Drive

17 sizes available (9 thru 60)

Two classes of construction

Volume Range: 500 - 115,000 cfm (850 - 195,386 m3/hr)

Static Pressure

Up to 5 in. wg (1245 Pa) Class I Up to 8.5 in. wg (2120 Pa) Class II

Model QEID – Direct Drive

15 sizes available (12 thru 54)

50 - 100% wheel widths

Volume Range: 800 - 83,000 cfm (1,360 - 141,000 m3/hr)

Static Pressure: Up to 10.5 in. wg (2370 Pa)

Patented (QEI/QEID): USA Patent No. 7048499

China (P.R.) Patent No. CN1294361C

Mexico Patent No. 243465

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Contents Mixed Flow Fans Quiet & Efficient, Inline Mixed Flow FansStandard Construction Model Number NomenclatureQuality Assurance Test Value Added FeaturesMaintenance / Serviceable Construction Advantages Electrostatic Powder CoatingsSlip-Fit Duct Connections Inlet and Outlet Sound Power LevelsField Rotatable Housing / Compact Size AutoCAD and 3-D Revit ModelsSound and Efficiency Design & PerformanceMixed Flow Axial/Centrifugal Hybrid Airflow ProfilesBelt Drive Fan Class Wheel CharacteristicsSound Power versus Sound Pressure Direct Drive Percent Wheel WidthWhy use a Sound Vault? Optional FeaturesSound Vault Housing Radiated Sound Enclosure Optional Two-coat Paint System Zinc AdvantageCertifications & Listings Direct Drive Advantages Belt Drive versus Direct DriveBelt Drive Advantages Tubular Centrifugal Fan QEI-I Mixed Flow FanQEI-I/II Sizes Belt Drive Mounting ConfigurationsQEI-I/II Sizes 9-27 and all QEI-L Spark Resistant Construction Roof Upblast & Spark Resistant ConstructionRoof Upblast Accessories AvailabilityExploded View Direct Drive Selection Charts Qeid Dimensional Data 870 RPM 60 HzQEI Dimensional Data QEI25 kW QEI-9 ClassPerformance Data 381 mm73 kg QEI-12 Class I & QEI-L55 kg QEI-12 Class 82 kg64 kg QEI-15 Class I & QEI-L464 mm QEI-15 Class 100 kgQEI-16 Class I & QEI-L 508 mmQEI-16 Class 109 kg87 kg QEI-18 Class I & QEI-L565 mm 118 kgQEI-18 Class 141 kg105 kg QEI-20 Class I & QEI-L622 mm QEI-20 Class 163 kg123 kg QEI-22 Class I & QEI-L686 mm 168 kgQEI-22 Class 191 kg182 kg QEI-24 Class I & QEI-L762 mm 213 kg249 kg QEI-24 Class55 kW 214 kg QEI-27 Class I & QEI-L838 mm 245 kgQEI-27 Class 304 kg927 mm QEI-30 Class I & QEI-L75 kW 286 kgQEI-30 Class 454 kg332 kg QEI-33 Class I & QEI-L1022 mm 449 kgQEI-33 Class 544 kg409 kg QEI-36 Class I & QEI-L1130 mm QEI-36 Class 635 kg680 kg QEI-40 Class1245 mm 862 kg 907 kg QEI-44 Class1378 mm 1043 kg 1089 kg QEI-49 Class1524 mm 11 kW 1406 kg1315 kg QEI-54 Class1676 mm 1633 kg 1588 kg QEI-60 Class1854 mm 1905 kg Specifications Model QEI-L, QEI-I/II and Qeid