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Engineering Case Studies

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

Illustration of a compact square-frame axial cooling fan with corner mounting holes
By longwell / May 14, 2026 / Engineering Case Studies

Configuring 0-10V Speed Control Lead for 24V DC Axial Fan LWAD17251MX-22-14

LONGWELL updated the LWAD17251MX-22-14 24V DC axial fan design, adding...

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AC cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / May 14, 2026 / Engineering Case Studies

AC Cross Flow Fan Shaft and Bushing Matching for Housingless Assembly

Engineering specification for an AC cross flow fan assembly without ho...

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Cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / May 14, 2026 / Engineering Case Studies

Custom Mounting Plates and Protective Grill for Cross Flow Fan

Custom engineering modification of a cross flow fan featuring extended...

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Illustration of open-frame, cylindrical and compact external-rotor fan motor configurations
By longwell / May 14, 2026 / Engineering Case Studies

LONGWELL LWDM53-015 DC Fan Motor Specification and Drawing

Technical specification and dimensional drawing documentation for the ...

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Illustration of a rotary fan control, mechanical air-pressure switch and ignition electrode type
By longwell / May 14, 2026 / Engineering Case Studies

LONGWELL Custom Air Pressure Switch Specifications: 40/20 Pa and 75/45 Pa

Technical drawing and specification summary for LONGWELL air pressure ...

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Forward-curved centrifugal blower in a scroll housing
By longwell / May 14, 2026 / Engineering Case Studies

AC Forward Centrifugal Fan LWFA4D250-138NT-01-00 Specification Design

Engineering specification details for the LONGWELL LWFA4D250-138NT-01-...

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Illustration of a four-blade axial fan impeller with a central hub
By longwell / May 13, 2026 / Engineering Case Studies

LW406x96-4 Axial Fan Impeller Shaft Bore Specification

Technical specification details for the LW406x96-4 axial fan blade acc...

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Reference image for the requested white ventilation cowl
By longwell / May 13, 2026 / Engineering Case Studies

White Coated Ventilation Cowl Specifications (LW-WC Series)

Technical specification overview for LONGWELL white coated ventilation...

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Cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / May 13, 2026 / Engineering Case Studies

Cross Flow Fan Specification Engineering Case: LWCE-100720SN-06

Engineering specification and drawing technical case for the LONGWELL ...

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Axial fan with a circular wire guard and metal blades
By longwell / May 12, 2026 / Engineering Case Studies

LONGWELL LWAE17251SH-03-11 EC Axial Fan Specification Case

Engineering specification details for the LONGWELL LWAE17251SH-03-11 E...

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