Questions about positive and negative pressure

2016-08-25View Original

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Why can a blind flange withstand positive pressure but not vacuum?

Reply #22016-08-25

Who said that? When conducting vacuuming experiments with a vacuum system, it is acceptable to isolate the branch circuits by installing blind flanges when the pressure cannot be maintained; three layers of blind flanges can withstand a pressure of –95 kPa.

Reply #32016-08-25

I also think the original poster’s statement is unreasonable. Could you describe the actual situation in detail?

Reply #42016-08-25

Please provide examples to illustrate this issue.

Reply #52016-08-26

3 thicknesses, what size of blind plate is needed?

Reply #62016-08-27

No way. Are you talking about a burst disc?

Reply #72016-08-27

How blind is the original poster? Please specify.

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Questions about positive and negative pressure

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