Why aren't stresses determined for Appendix 2 flanges during the hydrostatic test? Why does COMPRESS report that the stress was not investigated ("NI")? Why aren't stresses determined for Appendix 2 flanges during the hydrostatic test? Why does COMPRESS report that the stress was not investigated ("NI")?

Knowledgebase Search

Question:	Why aren't stresses determined for Appendix 2 flanges during the hydrostatic test? Why does COMPRESS report that the stress was not investigated ("NI")?
Answer:	COMPRESS will calculate and report the hydrotest stress for the Appendix 2 flanges only when the "Calculate MAP" option in selected on the Calculations tab of the Set Mode Options dialog.