Day: July 7, 2026

Segmented impeller in a 1113mm cross-flow fan for a trench convector
By longwell / July 7, 2026 / Engineering Case Studies

Why a 1055mm Impeller Is Built in Three Pieces

A meter of rotor spinning at 1800 RPM will sag and it will resonate. S...

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One long fan spanning a 1286mm trench heater housing end to end
By longwell / July 7, 2026 / Engineering Case Studies

One Long Fan or Several Small Ones? A Trench Heater Decides

Three small fans in a row look like the flexible option. They also pro...

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LONGWELL Biomimetic EC Fan Technology
By longwell / July 7, 2026 / Company & Product News

LONGWELL Biomimetic EC Fan Technology: 82% Efficiency and Up to 6 dB(A) Lower Noise

NINGBO, China — July 6, 2026 — Ningbo Longwell Electric Technolog...

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HVLS fan, 5.5 meter six-blade EC unit for warehouse destratification
By longwell / July 7, 2026 / Engineering Case Studies

Moving 7,500 m3/min on 1.5 kW: The Case for Turning Slowly

Seventy-five revolutions a minute sounds like nothing. Across five and...

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