Day: April 29, 2026

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By longwell / April 29, 2026 / Engineering Case Studies

1236 m3/h EC Centrifugal Fan for Tight HVAC Enclosures

An engineering review on specifying a 190W EC centrifugal fan for a re...

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longwell-wi-6980887054-project
By longwell / April 29, 2026 / Engineering Case Studies

Integrating a 25 m/s Industrial Air Curtain

Learn why direct-wiring a magnetic door switch to a 3.3 kW industrial ...

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longwell-lwfd3g120-072sm-01-pr
By longwell / April 29, 2026 / Engineering Case Studies

Cooling Outdoor Telecom Enclosures with a 24V DC Centrifugal Fan

See how a 24V DC centrifugal fan solved tight size constraints, high s...

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By longwell / April 29, 2026 / Engineering Case Studies

24V Paired DC Cross Flow Fan System for Tight Spaces

Learn how we built a paired DC cross flow fan system. This exact 24V s...

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longwell-lwad17251hh-23-projec
By longwell / April 29, 2026 / Engineering Case Studies

Adding PWM Speed Control to a 48V Telecom Rack Fan

Read how we modified a standard 48V DC cooling fan to include 20kHz PW...

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