The centrifugal air conditioner fan has the characteristics of large air volume, low noise, compact structure, sturdiness and durability, beautiful appearance, and convenient installation and use. The fan is widely used in various air conditioning units, air curtains, cooling and heating fans, etc., and can also be used for indoor ventilation in industrial and mining enterprises and public places. The medium it transports is air and other non-self-ignitable gases that are harmless to the human body. No particulate matter is allowed in the gas, and the dust content is not more than 150mg/m³. 320W power.