Check valve (small port version)

Abstract

1. Name of the designed product: check valve (small air port version). 2. Use of the designed product: used as a check valve for pipeline, which can be used in range hood, ventilation, and air exchange, etc. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: A part of design 4 front view is transparent material, and A part of design 5 front view is transparent material.

Images