Day: April 16, 2026

longwell-wi-6968261568-project
By longwell / April 16, 2026 / Engineering Case Studies

380V Vertical Circulation Fan for Greenhouses

See how we designed a 380V vertical circulation fan to move 5800 m3/h ...

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longwell-wi-6968586891-project
By longwell / April 16, 2026 / Engineering Case Studies

Sourcing a 380V Forward Centrifugal Fan for a 443 Pa System

Learn how we replaced an obsolete unit with a custom 380V forward cent...

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longwell-wi-6968599815-project
By longwell / April 16, 2026 / Engineering Case Studies

OEM Specs for an 80 x 600mm Cross Flow Fan Impeller

Learn how we engineered a custom 80x600mm metal cross flow fan impelle...

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longwell-wi-6968625192-project
By longwell / April 16, 2026 / Engineering Case Studies

Replacing a 380V Cooling Unit with a 1100W EC Axial Fan

See how we matched strict PWM rules and 12V fault logic to replace an ...

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