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The strength of the pressure O-ring

The strength of the pressure O-ring

(OP)
What contact pressure passes the rubber ring when the fluid pressure on it?

RE: The strength of the pressure O-ring

If you are looking to do a hydro-test calc., assume the o-ring essentially fills the groove, i.e. the contained pressure is felt at all groove surfaces.

RE: The strength of the pressure O-ring

Your question is very vague. There is a gradient in contact pressure depending on location on the o-ring. The only requirement for a good seal is that the peak contact pressure is greater than the fluid pressure. In a well designed seal the average contact pressure is not much greater than the fluid pressure.

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