Day: March 27, 2026

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-wi-6929310984-project
By longwell / March 27, 2026 / Engineering Case Studies

Air Curtain Rotor: Custom 90mm Cross Flow Impeller

Review our design case study on a custom 90mm cross flow impeller. We ...

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Longwell-Axial-Fan-Series--High-Airflow
By longwell / March 27, 2026 / Technical Articles

Longwell Axial Fan Series: High Airflow, Energy-Efficient Ventilation Solutions for Industrial Applications

Longwell Axial Fan Series: High Airflow, Energy-Efficient Ventilation ...

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