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ASME Sec VIII Div I Appendix 2 flanges: hydrotest pressure criteria

ASME Sec VIII Div I Appendix 2 flanges: hydrotest pressure criteria

ASME Sec VIII Div I Appendix 2 flanges: hydrotest pressure criteria

(OP)
Hi All,

Is it correct to to assume that a slip on flange designed to appendix 2 (say 275 psig design pressure) is also by default capable to withstand the full hydrotest pressure of 1.5 times the DP as allowed for say a B16.5 flange ?

Per my understanding,the code does not directly address this.

regards


RE: ASME Sec VIII Div I Appendix 2 flanges: hydrotest pressure criteria

No. It is intended to withstand the hydrostatic test as described in UG-99.

That's not to say that it won't break, and may be just fine. Perhaps you should define "withstand"?

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