Model DKT, SDKT centrifugal air-conditioner fan is a multi-vane centrifugal fan. It has features such as large air volume, low noise, compact structure, fine firmness and durability, pleasing appearance, easy installation and use and so on .It is widely applicable for various air-conditioner units, air curtain, cool/warm fans etc. It can also be used as indoor ventilation and air-exchange in the mining and industrial enterprises, public places etc. Its conveying media are air and other non-hypergolic gas which are not harmful to the human body. The particle substances not allowed in gas. The dust burdening should not exceed 150mg/m3