Open the box and check whether all parts of the fan are complete, whether there are bruises on the outside of the casing, especially pay attention to whether the head rectifier is bruised and deformed.

Tube axial fans are widely used, that is, the air flow in the same direction as the axis of the fan blade, such as electric fans, air conditioning external fans are tube axial fans.

Open the box and check whether all parts of the fan are complete, whether there are bruises on the outside of the casing, especially pay attention to whether the head rectifier is bruised and deformed.

Tube axial fans are widely used, that is, the air flow in the same direction as the axis of the fan blade, such as electric fans, air conditioning external fans are tube axial fans.