Backward curved impellers trail away from the direction of rotation, giving high efficiency and a non-overloading power curve — the standard choice for AHUs, fan walls, FFUs and data-center air handling. This tag collects design explanations, EC plug fan applications and retrofit cases built on the LONGWELL LWBE3G platform.
If you want to design an HVAC system, size the AHU, or replace the age...
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A plenum fan blows into the cabinet rather than into a scroll. That co...
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Delivering 700 Pa static pressure and up to 9000 m³/h airflow, these c...
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An OEM required a high-pressure EC centrifugal fan for a new AHU desig...
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Today’s procurement engineer isn’t just selecting an EC backward-curve...
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Among the various fan technologies available, centrifugal fans generat...
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Compare plug and housed centrifugal fans at the same airflow-pressure ...
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The centrifugal fan is one of the most efficient solutions for moving ...
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How to Select the Right Backward Curved Centrifugal Fan: An 8-Step In-...
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In-Depth Analysis: Why Longwell DC/EC Backward Curved Centrifugal Fans...
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