Centrifugal Fans

Centrifugal fans build pressure by accelerating air outward through a rotating impeller, making them the workhorse for HVAC air handlers, cleanrooms, dust collection and process ventilation. Articles under this tag cover working principles, backward vs forward curved impellers, performance-curve reading, selection math and maintenance practice, with LONGWELL AC/DC/EC centrifugal fan data for reference.

LONGWELL centrifugal fan
By longwell / July 15, 2026 / News

Types of Centrifugal Fan Impellers Explained

In HVAC and industrial ventilation systems, centrifugal fans are widel...

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LWBE3G450-188NT-21-00
By longwell / July 15, 2026 / Engineering Cases

LWBE3G450-188NT-21-00 EC Centrifugal Fan for AHUs

An OEM required a high-pressure EC centrifugal fan for a new AHU desig...

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LONGWELL Biomimetic EC Fan Technology
By longwell / July 7, 2026 / 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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LONGWELL double inlet centrifugal fan
By longwell / July 2, 2026 / News

Single Inlet vs Double Inlet Centrifugal Fan: When to Use Each?

In industrial ventilation and HVAC systems, centrifugal fans serve as ...

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LONGWELL
By longwell / June 30, 2026 / News

Industrial Centrifugal Blower: High-Static-Pressure Applications Guide

In industrial environments where reliable air movement and high static...

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centrifugal fan for data center cooling
By longwell / June 26, 2026 / News

Centrifugal Fan for Data Center Cooling: Key Specs & Selection

When the power density of a single cabinet jumps five times or even hi...

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

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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top 10 centrifugal fan manufacturers
By longwell / June 25, 2026 / News

Top 10 Centrifugal Fan Manufacturers in 2026

The definitive global ranking of centrifugal fan manufacturers across ...

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Longwell centrifugal fan
By longwell / June 24, 2026 / News

7 Effective Ways to Reduce Centrifugal Fan Noise

Centrifugal fans are widely used in various commercial and industrial ...

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lwfa e 250 01 forward curved centrifugal fan
By longwell / June 23, 2026 / Engineering Cases

LWFA-E-250-01 Forward-Curved Centrifugal Fan for HVAC Air Handlers

An OEM required a 220V AC centrifugal fan for a commercial air conditi...

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