The impeller and motor directly connected, small size and no transmission loss. Normal temperature and small corrosive gas can be transported. Only need to maintain the motor in use. There are a variety of materials to choose from.

(Diagram of Type A fan: In the diagram, the outlet radius reducer, the air inlet silencer, the regulating valve and the spring damping base are all optional parts.)

Diagram of Type A fan: In the diagram, the outlet flexible connection is optional