FQ type mine pneumatic compression axial flow local fan (hereinafter referred to as air fan) is a new product developed by our company. The product has the characteristics of compact structure, small volume, light weight, simple operation, convenient main... View More>>

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At a certain speed, the pressure coefficient of the backward-facing impeller is small, so the impeller diameter is larger and the efficiency is higher. The opposite is true for the forward impeller.... View More>>

What is the difference between SDS fan and SDF fan... View More>>