Engineering Case Studies

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

Forward-curved centrifugal blower in a scroll housing
By longwell / May 5, 2026 / Engineering Case Studies

LONGWELL DD10-8I-002 Forward Curved Centrifugal Blower Technical Drawing

LONGWELL documented technical specifications and engineering drawings ...

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Illustration of a dark cylindrical plastic cross-flow fan impeller
By longwell / May 5, 2026 / Engineering Case Studies

LONGWELL Plastic Cross Flow Impeller LWPI-φ90.5*615-06 Drawing

Technical specification drawing and mechanical parameters for the LONG...

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Forward-curved centrifugal blower in a scroll housing
By longwell / April 30, 2026 / Engineering Case Studies

EC Centrifugal Fan LWFE3G146 Flange Thickness Engineering Review

LONGWELL evaluated a structural modification request to increase the f...

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Axial fan with a circular wire guard and metal blades
By longwell / April 30, 2026 / Engineering Case Studies

LONGWELL 5V DC Axial Fan Design: Model LWFD5010KM-10 Specification

Engineering specification details for the LONGWELL LWFD5010KM-10 5V DC...

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AC cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / April 30, 2026 / Engineering Case Studies

AC Cross Flow Fan Square Housing Adaptation: LWCA-60240SG-19-00

Engineering specification for the LONGWELL LWCA-60240SG-19-00 AC cross...

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Forward-curved centrifugal blower in a scroll housing
By longwell / April 29, 2026 / Engineering Case Studies

EC Centrifugal Fan Engineering Specification for Model LWFE3G146-092DS-10

Engineering specification for LONGWELL LWFE3G146-092DS-10 EC centrifug...

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Backward-curved centrifugal fan with a metal impeller
By longwell / April 29, 2026 / Engineering Case Studies

LONGWELL LWAC-BG4520S-01 Industrial Air Curtain Specification

Technical specification details for the LONGWELL LWAC-BG4520S-01 indus...

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Forward-curved centrifugal blower in a scroll housing
By longwell / April 29, 2026 / Engineering Case Studies

Technical Specification for LWFD3G120-072SM-01 24V DC Centrifugal Fan

Technical specification for the LONGWELL LWFD3G120-072SM-01 24V DC for...

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Cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / April 29, 2026 / Engineering Case Studies

Paired Left-Right 24V DC Cross Flow Fans LWCD-40200MN-07-00 & LWCD-40200MN-08-00

Engineering specification for paired left and right 24V DC cross flow ...

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Illustration of a compact square-frame axial cooling fan with corner mounting holes
By longwell / April 29, 2026 / Engineering Case Studies

48V DC Axial Fan Customization LWAD17251HH-23-40

LONGWELL engineering response adding PWM speed control and FG tachomet...

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