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What are the specifications for air vent design?

I. Requirements for the appearance of the equipment air outlet
1. The decorative surface of the air outlet has no obvious scratches.
2. The color of the decorative surface should be consistent as far as possible, without the phenomenon of flower spots.
3. The surface welding joints should be as smooth and firm as possible.

II. Equipment air outlet blade requirements
1. Blade spacing of the size gap can not be greater than ± 1mm.
2. The curvature of the blade is generally 3/1000mm.
3. The parallelism of the blade is generally about 4/1000mm.

III. Equipment air outlet material requirements
1. Try to choose a good anti-corrosion performance, easy-to-form material.
2. According to different environmental requirements, the choice of materials should be based on the relevant standards.

IV. Mechanical performance of the equipment air outlet
1. The movable parts of the air outlet are designed to move freely, without jamming and loosening.
2. The flow guide piece should be designed to be adjustable or removable, and should not appear loose after positioning.

V. Aerodynamic performance of the equipment
1. the rated air volume of the air outlet is determined in time, the general end speed is 0.5m/S and the air pressure is 10Pa.
2. The speed of the air outlet at the neck is about 6m/s, and the total pressure loss is not more than 100Pa.