Engineering Case Studies

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

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

LWBE3G400-188PT-19 Centrifugal Fan Specification Output

On May 27, 2026, LONGWELL opened a project to generate technical speci...

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

AC Axial Fan Specifications for OEM Appliance Ventilation

Technical specifications and drawing scope for LONGWELL AC axial fans ...

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Circular inline duct fan with a white cylindrical housing
By longwell / May 26, 2026 / Engineering Case Studies

Dual-Speed AC Inline Duct Fan Specification: LWDA-125(5″)S-PBN-002-12

Engineering specification overview for the LONGWELL LWDA-125(5")S-PBN-...

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Cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / May 26, 2026 / Engineering Case Studies

3D Models and Technical Design for Cross Flow Fan LWCE-90520SN-06

Engineering project details for the 3D modeling and technical specific...

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Cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / May 26, 2026 / Engineering Case Studies

620mm Motorless Cross Flow Fan Assembly Specification: Model LW-65620-01

Engineering specification for LONGWELL LW-65620-01 motorless cross flo...

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Illustration of a compact square-frame axial cooling fan with corner mounting holes
By longwell / May 26, 2026 / Engineering Case Studies

LONGWELL 24V DC Axial Fan LWAD17251MH-21 Technical Specification

Engineering specification for the LONGWELL LWAD17251MH-21-00 24V DC ax...

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Forward-curved centrifugal blower in a scroll housing
By longwell / May 26, 2026 / Engineering Case Studies

24V DC Centrifugal Fan Specification: Model LWFD3G120-072SM-02-14

LONGWELL standard engineering specification details for the 24V DC for...

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Illustration of a white ring-shaped bladeless fan with its compact lower control housing
By longwell / May 26, 2026 / Engineering Case Studies

230V Wall-Mounted Bladeless Fan: European Plug Configuration

A May2026 wall-mounted bladeless-fan request specified230V and a Europ...

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Axial fan with a circular wire guard and metal blades
By longwell / May 25, 2026 / Engineering Case Studies

AC Axial Fan Specifications for LWAA6D910S-5MEB Models

Engineering specification datasheets and drawings for LONGWELL AC axia...

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

12V DC Cross Flow Fan Drawing Revision for 125 m³/h Airflow and PWM

LONGWELL engineering review and drawing adaptation for a 12V DC cross ...

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