A centrifugal fan with an impeller diameter of 250mm and a thickness of 80mm. It has a large air volume, can generate strong wind pressure, and efficiently convey air. It is suitable for industrial ventilation, heat dissipation of large equipment and other scenarios. Compact in structure, easy to install, equipped with high-quality bearings, it operates stably with low noise and a long service life, providing reliable ventilation and heat dissipation guarantee for high-load working environments.