Month: July 2026

LONGWELL factory
By longwell / July 31, 2026 / News

Fans for HVAC OEM: How to Build Long-Term Supply Partnerships?

In HVAC systems, fans are one of the most crucial components. Differen...

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LONGWELL top 5 bathroom exhaust fan
By longwell / July 30, 2026 / News

Top 5 Exhaust Fans for Bathrooms in 2026: Quiet & Energy Efficient

The bathroom is usually damp and hot, especially those without windows...

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what is bldc motor
By longwell / July 29, 2026 / News

What is BLDC (Brushless DC) Motor?

Various types of motors are used in commercial or industrial fans, eac...

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LWPVE-1530T-01
By longwell / July 29, 2026 / Engineering Cases

LWPVE-1530T-01 Exhaust Fan for Large Industrial Ventilation

Longwell engineers a 1530mm industrial exhaust fan to deliver 51,000 m...

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Tube Axial Fan vs Tube Axial Fan
By longwell / July 28, 2026 / News

Vane Axial Fan vs Tube Axial Fan: Which Handles Higher Pressure?

Axial fans are widely used in ventilation systems to convey large amou...

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LWFE3G200-102SS-02-00
By longwell / July 27, 2026 / Engineering Cases

LWFE3G200-102SS-02-00 EC Centrifugal Fan for HVAC

An OEM required a 200mm EC centrifugal fan delivering 700 m³/h at 1000...

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LWAA4E550S-5MEB-02 axial fan
By longwell / July 27, 2026 / Engineering Cases

LWAA4E550S-5MEB-02 AC Axial Fan for HVAC Condensers

Case study on an 8,755 m³/h AC axial fan for HVAC condenser units. See...

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

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

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

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

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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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