Day: July 25, 2026

LONGWELL AC axial fan
By longwell / July 25, 2026 / Engineering Case Studies

LWAA4E250S-5MYB-32-00 and LWAA4E300S-5MYB-15-00 AC Axial Fan for OEM Ventilation

An OEM required a modification of standard AC axial fans into a tube-a...

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By longwell / July 25, 2026 / Engineering Case Studies

The Fan Sits Millimetres From a 1000-Watt Heater

Buy a fan and a heater separately and someone still owns the gap betwe...

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Fan filter kit adapting a 120mm axial fan to a 150mm cabinet cutout
By longwell / July 25, 2026 / Engineering Case Studies

The Cutout Is the Requirement, Not the Fan

The customer asked for a 150mm fan that barely exists. What their cabi...

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LWBA for AHU cases
By longwell / July 25, 2026 / Engineering Case Studies

380V AC Centrifugal Fan for AHUs: 695 Pa High-Pressure

Developing a standardized 380V AC backward curved centrifugal fan for ...

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