Cross Flow Fans

Cross flow (tangential) fans pass air twice through a long impeller to produce a wide, even air curtain from a slim body — ideal for air conditioners, air curtains, transformer cooling and electronics. Articles cover the working principle, impeller quality factors, installation practice and LONGWELL AC/DC/EC cross flow ranges.

LONGWELL cross flow fan
By longwell / July 24, 2026 / News

What is a Cross Flow Fan?

A cross flow fan is a type of blower designed to provide a wide and un...

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electronic cooling use cases
By longwell / July 22, 2026 / Engineering Cases

Custom 48V 2900 RPM Cross Flow Fan for OEM Cooling

Case study on a custom 48V DC cross flow fan from Longwell, modified t...

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LWCA cross flow fan
By longwell / July 21, 2026 / Engineering Cases

Custom 2300 RPM Cross-Flow Fan for 2300W Air Curtain Heaters

An OEM required a 2300 RPM cross-flow fan for a 2300W air curtain. Lon...

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LWCD-45350MN-06-14
By longwell / July 6, 2026 / Engineering Cases

LWCD-45350MN-06 Cross-Flow Fan for Electronics Cooling

An OEM required a 24V DC cross-flow fan for electronics cabinet coolin...

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cabinet cooling fan
By longwell / June 29, 2026 / Engineering Cases

LWCD-40610MN-06 24V DC Cross-Flow Fan for Cabinet Cooling

A 24V DC cross-flow fan providing 203 m³/h of uniform airflow for cool...

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lwcd-30 series cross flow fan
By longwell / June 27, 2026 / Engineering Cases

LWCD-30610MN-06 24V DC Cross Flow Fan for Trench Heaters

An OEM required a low-profile 24V DC cross-flow fan for a new trench h...

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LONGWELL cross flow fan
By longwell / June 27, 2026 / Engineering Cases

LWCA-110820SN-06-12 Dual-Speed AC Cross-Flow Fan for Film Set

A 1750 m³/h AC cross-flow fan was customized with a dual-speed motor f...

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customized impeller
By longwell / June 24, 2026 / Engineering Cases

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

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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Electronics Cabinet Cooling
By longwell / June 24, 2026 / Engineering Cases

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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