Author: longwell

longwell-wi-6953709623-project
By longwell / April 10, 2026 / Engineering Case Studies

200mm 115V 60Hz Axial Fan for 30 Pa Duty Points

Review the engineering details of a custom 115V 60Hz axial fan. This 2...

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longwell-wi-6953642920-project
By longwell / April 10, 2026 / Engineering Case Studies

Reversible 900mm Axial Fan: 24,000 m³/h HVAC Replacement

Read how we engineered a reversible 900mm axial fan to replace a 14-bl...

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longwell-lwcd-30530mn-06-proje
By longwell / April 10, 2026 / Engineering Case Studies

24V Cooling: Custom 30mm Cross Flow Blower for Tight Spaces

See how our team built a custom 24V 30mm cross flow blower. It meets s...

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By longwell / April 10, 2026 / Technical Articles

Electric vs Gas Blowers Cost, Performance and Environmental Impact

LONGWELL www.longwellfans.com Ningbo Longwell Electric Technology Co.,...

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longwell-wi-6952895469-project
By longwell / April 9, 2026 / Engineering Case Studies

Drop-In Replacement for a 230V Double Inlet Centrifugal Blower

Learn how we engineered a custom double inlet centrifugal blower to re...

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longwell-wi-6952645907-project
By longwell / April 9, 2026 / Engineering Case Studies

HVAC Ventilation 230V 125mm Circular Duct Fan

Learn why this 125mm circular duct fan drops to 294 m3/h and uses an I...

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longwell-lwbe3g225-092ps-04-pr
By longwell / April 9, 2026 / Engineering Case Studies

Custom Centrifugal Fan Mounting Hardware for HVAC Units

We changed the centrifugal fan mounting hardware to male-female stando...

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By longwell / April 9, 2026 / Technical Articles

Axial Fan Not Working 10 Common Problems and Solutions

LONGWELL Axial Fan Not Working? 10 Common Problems & Troubleshooti...

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longwell-wi-6948623418-project
By longwell / April 8, 2026 / Engineering Case Studies

Commercial Air Curtain Blower Wheel for Wide Spans

An OEM needed a rigid air curtain blower wheel to span 873 mm. We used...

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longwell-wi-6948627599-project
By longwell / April 8, 2026 / Engineering Case Studies

A 500mm EC Exhaust Fan Retrofit That Drops Power to 200W

Review a real ec exhaust fan retrofit for a 24/7 production line. See ...

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