Changzhou Joinbrain Motor Co., Ltd.

Animal husbandry fan, also known as negative pressure fan, is the latest type of ventilation fan, which belongs to the axial fan, and is called negative pressure fan because it is mainly used in negative pressure ventilation and cooling projects. The negative pressure ventilation and cooling project includes the meaning of ventilation and cooling, and the ventilation and cooling problems are solved at the same time.

Negative pressure fans are also used in positive pressure water curtain environmental protection air conditioning, positive pressure air supply, positive pressure blowing and other fields. The negative pressure fan has the characteristics of large volume, large air duct, large blade diameter, large exhaust air volume, ultra-low energy consumption, low speed and low noise.

Negative pressure fans are mainly divided into galvanized sheet square negative pressure fans and FRP flared negative pressure fans in terms of structural materials. The structure and technical parameters of all galvanized sheet square negative pressure fans on the market are basically the same, and the classification of negative pressure fan models will be described in detail.

FRP flared negative pressure fans are divided into belt type and direct drive type from different transmission modes, and the classification of negative pressure fan models will be described in detail.