1. Impeller - A core component that performs work, typically composed of a hub, blades (backward-curved, forward-curved, radial types, etc.), and a cover plate, often made of cast iron, steel, or a...

Fan selection requires a comprehensive judgment based on usage scenarios, medium characteristics, performance requirements, etc., with the key being matching core parameters such as 'airflow' and '...

Multi-stage centrifugal fans achieve pressure increase through the series operation of multiple impellers. Their main features revolve around 'high pressure head, stable performance, and wide adapt...