Fan Manufacturing

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

longwell-wi-6930157027-project
By longwell / March 28, 2026 / Engineering Case Studies

220V Inline Duct Fan Design for European Standards

See how we engineered a 220v inline duct fan series meeting CE standar...

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longwell-lwe-91294sa-01-projec
By longwell / March 28, 2026 / Engineering Case Studies

220V Elevator Cross Flow Fan: Cabin Ventilation Engineering

See how we engineered this 220V elevator cross flow fan to push 250 m3...

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longwell-lwad6025mm-11-project
By longwell / March 28, 2026 / Engineering Case Studies

60mm DC Cooling Fan for a 60 x 25mm Enclosure Opening

Review the exact engineering trade-offs behind a 24V 60mm dc cooling f...

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longwell-lwba4f190-092ns-05-pr
By longwell / March 27, 2026 / Engineering Case Studies

Converting a Backward Centrifugal Fan to 115V

Read how we converted a 230V design into a 115v backward centrifugal f...

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longwell-wi-6929422158-project
By longwell / March 27, 2026 / Engineering Case Studies

310V DC Cooling Fan: Meeting the 50 Pa Airflow Constraint

Read how we balanced speed, noise, and static pressure to design a cus...

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longwell-lwfe3g140-072ns-01-00
By longwell / March 27, 2026 / Engineering Case Studies

140mm EC Forward Centrifugal Fan in a 73.8mm Enclosure

Learn how we engineered a 140mm ec forward centrifugal fan to meet a s...

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longwell-wi-6929203446-project
By longwell / March 27, 2026 / Engineering Case Studies

Engineering a Custom 780mm Plastic Impeller for 24V DC Systems

Read how we built a 780mm plastic impeller using AS+GF30% material. Th...

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longwell-wi-6929168951-project
By longwell / March 27, 2026 / Engineering Case Studies

Upgrading a Fan Coil Blower from 220V to 0-10V DC Control

Learn how we updated an AC cabinet to a dc fan coil blower. We cover s...

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By longwell / March 27, 2026 / Engineering Case Studies

Sizing a Direct Drive Centrifugal Blower for AHU Systems

We consolidated sheet metal parts into a direct drive centrifugal blow...

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longwell-lwaa8025sh-10-project
By longwell / March 26, 2026 / Engineering Case Studies

Equipment Cooling with an 80mm 220V AC Fan

Review the engineering choices behind specifying an 80mm 220v ac fan f...

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