Fan Manufacturing

Inside fan production: coil winding, rotor magnetisation, impeller forming and welding, balancing, run-in test, salt spray and life testing.

longwell-wi-6935098557-project
By longwell / April 1, 2026 / Engineering Case Studies

115V AC Centrifugal Fan with 190mm and 225mm Round Capacitors

See how we engineered a 115v ac centrifugal fan with custom round capa...

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longwell-lwfe3g180-092ds-02-pr
By longwell / April 1, 2026 / Engineering Case Studies

Metal EC Centrifugal Fan for 1730 m3/h HVAC Delivery

See how we balanced 1730 m3/h of airflow against a strict 63 dB(A) noi...

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longwell-wi-6935125311-project
By longwell / April 1, 2026 / Engineering Case Studies

Engineering a 1585mm Replacement Impeller for a Dry Cooler

See the exact specs for replacing a 1585mm dry cooler fan impeller on ...

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longwell-wi-6935162654-project
By longwell / April 1, 2026 / Engineering Case Studies

A Split AC Indoor Fan Engineered for 61C Extreme Cooling

Review the engineering steps behind this split ac indoor fan project, ...

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longwell-wi-6930756647-project
By longwell / March 30, 2026 / Engineering Case Studies

Specifying a Radial Ceiling Pipeline Fan for Exhaust

Engineering a custom ceiling pipeline fan with a radial impeller. See ...

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By longwell / March 30, 2026 / Engineering Case Studies

220V 30 Inch Pedestal Mist Fan Design Constraints and Output

Review the engineering parameters for a 350W 30 inch pedestal mist fan...

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longwell-lwae3g300st-5pnw-02-p
By longwell / March 30, 2026 / Engineering Case Studies

Converting a 230V 300mm EC Fan from Blowing to Suction

Review an engineering project where we converted a 230v 300mm ec fan f...

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longwell-lwaa17050sm-11-projec
By longwell / March 30, 2026 / Engineering Case Studies

Hardware Rack Retrofit: Sizing a 172mm AC Cooling Fan

This 172mm ac cooling fan project delivers 178 CFM at 230V. Discover w...

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longwell-wi-6930422215-project
By longwell / March 30, 2026 / Engineering Case Studies

Specifying a Mirrored 160mm Centrifugal Impeller for AHUs

See how we adapted a 160mm centrifugal impeller to fit a dual-shaft mo...

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longwell-lwge148s-02-project-i
By longwell / March 30, 2026 / Engineering Case Studies

230V High Static Pressure Blower: 3500 Pa Compact Unit

Read how we engineered a custom 230V high static pressure blower to de...

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