Patch-type check valve

Abstract

1. Name of the product in this design: Patch-type check valve. 2. Purpose of this design: This design is a three-component drainer for drainage, venting, and preventing siltation. It includes component 1, component 2, and component 3. Component 1, component 2, and component 3 are sequentially assembled to form the drainer. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D view of the assembled state.

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