Silicone Umbrella Valve Design Guide | One Way Check Valve

Umbrella Valves, also known as Mushroom Valves, One Way Valve, Pressure Relief Valve, which have three key designs & sizes and two key diaphragmatic surface demands:
· Umbrella Shaped Diameter: bigger than one-way valve holes.
· Hook Height: same to plastic & metal panel's height.
· Stem Diameter: same or smaller than assembly holes.
· Outside Diaphragmatic Surface: EDM process or texture surface for dust proof.
· Inside Diaphragmatic Ring Edge Surface: Polish or high-polishing for sealing function.

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