Engineering Case Studies

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

LWAA4D350S-5MKB-22-00
By longwell / June 26, 2026 / Engineering Case Studies

LWAA4D350S-5MKB-22-00 380V AC Axial Fan for HVAC Condensers

An OEM required a 380V 60Hz AC axial fan for a new line of HVAC conden...

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longwell-lwfd3g160-072sz-01-pr
By longwell / June 25, 2026 / Engineering Case Studies

LWFD3G160-072SZ-01 DC Centrifugal Blower Case Study

Case study on the LWFD3G160-072SZ-01 DC blower, delivering 494 m³/h at...

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longwell-lwif-750u-s-02-projec
By longwell / June 25, 2026 / Engineering Case Studies

750mm Oscillating Industrial Wall Fan for UK Warehouses Case Study

A UK-based facility required a 750mm oscillating industrial wall fan d...

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customized impeller
By longwell / June 24, 2026 / Engineering Case Studies

LWPI-Φ107X762-01 Cross-Flow Fan Impeller for HVAC OEM

A commercial HVAC OEM required a 762mm x 107mm drop-in replacement cro...

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Plastic cross-flow impeller, 762mm long, for a commercial air curtain
By longwell / June 24, 2026 / Engineering Case Studies

Plastic Cross-Flow Impeller, 762mm, Balanced to 0.3g

Three quarters of a meter of spinning plastic, and it must not be felt...

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LWCD-60870MN-06
By longwell / June 24, 2026 / Engineering Case Studies

LWCD-60870MN-06 24V DC Cross Flow Fan for Air Curtains

Case study on modifying a 24V DC cross-flow fan to deliver 693 m³/h fo...

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LWAA2E925SS-5PYW-17
By longwell / June 24, 2026 / Engineering Case Studies

LWAA2E925SS-5PYW-17 220V AC Axial Fan for Packaging Machinery Cooling

A 220V AC axial fan delivers 34 CFM for cooling vacuum packaging equip...

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Electronics Cabinet Cooling
By longwell / June 24, 2026 / Engineering Case Studies

LWCA-50150SN-07/LWCA-50190SN-07 Cross-Flow Fan for Electronics Cabinet Cooling

An OEM required 3D models for a cabinet cooling application. Longwell ...

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axial fan blade
By longwell / June 24, 2026 / Engineering Case Studies

406-522mm LWA Series Axial Fan Blades for HVAC Condenser Units

An HVAC OEM required a portfolio of four robust axial fan blades (406m...

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LWIF-750U(S)-02
By longwell / June 24, 2026 / Engineering Case Studies

LWIF-750U(S)-02 Industrial Wall-Mounted Oscillating Fan for Air Circulation

Case study on a 750mm industrial wall-mounted fan for commercial air c...

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