Backward Curved Fans

Backward curved impellers trail away from the direction of rotation, giving high efficiency and a non-overloading power curve — the standard choice for AHUs, fan walls, FFUs and data-center air handling. This tag collects design explanations, EC plug fan applications and retrofit cases built on the LONGWELL LWBE3G platform.

how to choose centrifugal fan
By longwell / July 17, 2025 / Technical Articles

How to Choose the Right Centrifugal Fan for Your Application in 2025

Choose the right centrifugal fan in 2025 by matching airflow, pressure...

Read More »
By longwell / June 19, 2025 / Product

Longwell EC Backward-Curved Centrifugal Fan: Intelligent Efficiency, Silent Excellence

The Longwell EC Backward-Curved Centrifugal Fan redefines industrial v...

Read More »
By longwell / June 16, 2025 / Product

Master the Airflow, Embrace Efficiency—Longwell AC Backward-Curved Centrifugal Fan

The Longwell AC Backward-Curved Centrifugal Fan redefines industrial v...

Read More »
By longwell / June 11, 2025 / Product

Smart Power, Silent Efficiency — Longwell EC Backward-Curved Centrifugal Fan

The Longwell EC Backward-Curved Centrifugal Fan integrates advanced EC...

Read More »
By longwell / March 25, 2025 / Product

How LONGWELL Backward Curved Centrifugal Fans Ensure Timely Delivery for Overseas Customers

​Longwell’s backward curved centrifugal fans are engineered for ...

Read More »
LWBE3G560-218PT-06
By longwell / March 25, 2025 / Technical Articles

Enhance Your Airflow Efficiency with Longwell Fans: The LWBE3G560-218PT-06 Product

When it comes to ensuring efficient ventilation in industrial settings...

Read More »
By longwell / March 21, 2025 / Product

How DC Backward Curved Centrifugal Fans are Shipped for Industrial Use?

​LONGWELL’s DC backward curved centrifugal fans are designed for indus...

Read More »
LONGWELL 2025 ISH Expo Day1 Banner
By longwell / March 4, 2025 / Events & Exhibitions

LONGWELL Shines at ISH China Heating Expo 2025! Grand Opening Spectacle

🔥 LONGWELL Shines at ISH China Heating Expo 2025! Grand Opening Specta...

Read More »
Forward Curved and Backward Curved Fans
By longwell / February 28, 2025 / Technical Articles

The Difference Between Forward Curved and Backward Curved Fans

Introduction Centrifugal fans are very important in industries, busine...

Read More »
The Difference and Application of Forward and Backward Centrifugal Fans
By longwell / November 25, 2024 / Technical Articles

The Difference and Application of Forward and Backward Centrifugal Fans

Centrifugal fans can be divided into forward-curved centrifugal fans a...

Read More »