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Day: July 21, 2026

LWCA cross flow fan

By longwell / July 21, 2026 / Engineering Case Studies

Custom 2300 RPM Cross-Flow Fan for 2300W Air Curtain Heaters

An OEM required a 2300 RPM cross-flow fan for a 2300W air curtain. Lon...

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LONGWELL duct fan

By longwell / July 21, 2026 / Technical Articles

How to Install a Duct Fan: Step-by-Step Guide

The ducts in HVAC systems are usually long. When the airflow goes thro...

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poultry fan

By longwell / July 21, 2026 / Engineering Case Studies

LWPVL-1270T Poultry Barn Exhaust Fan for 51,000 m³/h Airflow

Case study on a high-volume ventilation solution for poultry barns, de...

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