Day: August 5, 2026

Control cabinet cooling fan sized for 824 m3/h against packed drives
By longwell / August 5, 2026 / Engineering Case Studies

A Cabinet Full of Drives Is Not Free Air

The airflow number on the datasheet assumes nothing is in the way. Ins...

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duct fan vs exhaust fan
By longwell / August 5, 2026 / Technical Articles

Duct Fan vs Exhaust Fan: What are the Differences?

Effective ventilation is essential for maintain indoor air quality, co...

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Draft inducer fan built for the flue gas of a biomass pellet boiler
By longwell / August 5, 2026 / Engineering Case Studies

The Fan That Lives in the Flue Gas

The customer did not come with a wish list. They came with a failure h...

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EC axial fan with fan tachometer output for rack RPM monitoring
By longwell / August 5, 2026 / Engineering Case Studies

The Fan That Reports Its Own Speed

Most fans are trusted rather than checked. This customer wanted the fa...

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