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Engineering Case Studies

Application requirements, product choices and engineering project stories from LONGWELL.

Axial fan with a circular wire guard and metal blades
By longwell / March 27, 2026 / Engineering Case Studies

310V DC Axial Fan Development for 50 Pa Airflow Requirements

LONGWELL standard technical specification and dimensional drawing for ...

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Forward-curved centrifugal blower in a scroll housing
By longwell / March 27, 2026 / Engineering Case Studies

LONGWELL 140mm EC Forward Curved Centrifugal Fan LWFE3G140-072NS-01-00

Technical specification details for LONGWELL LWFE3G140-072NS-01-00 EC ...

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Illustration of a dark cylindrical plastic cross-flow fan impeller
By longwell / March 27, 2026 / Engineering Case Studies

LONGWELL 780mm Plastic Cross Flow Fan Impeller & DC Motor Technical Design

LONGWELL technical drawing and specification output for 780mm plastic ...

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Illustration of a complete horizontal hydronic fan-coil unit with a long rectangular coil section and paired blower housings
By longwell / March 27, 2026 / Engineering Case Studies

Fan Coil Unit Drawing Update for a DC Motor Request

LONGWELL prepared revised LWFP fan coil unit drawings after a DC motor...

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Backward-curved centrifugal fan with a metal impeller
By longwell / March 27, 2026 / Engineering Case Studies

Direct Drive Centrifugal Blower Sizing for AHU Specifications

Technical case on direct drive centrifugal blowers for AHU integration...

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Illustration of a dark cylindrical plastic cross-flow fan impeller
By longwell / March 27, 2026 / Engineering Case Studies

Plastic Cross Flow Fan Impeller Specification for LWPI-φ90.5*600-05

Engineering drawing and specification detailing for the LONGWELL LWPI-...

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Axial fan with a circular wire guard and metal blades
By longwell / March 26, 2026 / Engineering Case Studies

LONGWELL 80mm AC Axial Fan Technical Specification

Technical drawing and specification details for the LONGWELL LWAA8025S...

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AC cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / March 25, 2026 / Engineering Case Studies

LWCA-40270 Cross Flow Fan and Outlet Heater Integration

Compare LWCA-40270 fan and LWHW outlet-heater drawings, keeping fan mo...

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Axial fan with a circular wire guard and metal blades
By longwell / March 21, 2026 / Engineering Case Studies

LWAA2E250B-5MEB-19 AC Axial Fan: Specification Checks

Review the LWAA2E250B-5MEB-19-00 AC axial fan drawing: 220 V, 60 Hz, 1...

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Illustration of a portable cylindrical axial ventilator with a carry handle and protective grille
By longwell / March 19, 2026 / Engineering Case Studies

Axial Jet Fans: What to Specify for a Ventilation Layout

Prepare an axial jet fan enquiry around thrust, airflow direction, mou...

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