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What is the appropriate amount of compression for the O-ring?

Sep 09, 2020

What is the appropriate amount of compression for the O-ring?

 The compression of O-ring is generally 15-30%, depending on the specific application.General static sealing, in order to get a better sealing effect, can choose a larger amount of compression, dynamic sealing in order to reduce resistance, choose a smaller amount of compression.Of course, this is just a recommendation or a reference, the application varies, but can be designed according to the actual needs, I have encountered 7% compression occasions.For vacuum seals, there is a concept called fill rate, which requires the entire groove to be filled with O-rings.

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