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IP Ratings

IP protection ratings for fans and motors explained, from IP54 to IP66, plus what the rating does not cover in wet, dusty or outdoor installations.

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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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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