(1) The installation of the air outlet should achieve uniform air supply throughout the space.

(2) To achieve the minimum wind resistance and noise of the designed duct.

(3) Directional air supply for work should be installed according to actual requirements.

(4) The radius of the bend of the pipe is generally not less than twice the diameter of the pipe.

(5) Pipe branches should be minimized, and branches should be effectively allocated for air volume.

(6) The design of the duct should be as short as possible. It is best to use a straight line to avoid excessive bending.