ASME Section VIII Nonmandatory Appendix
ASME Section VIII Nonmandatory Appendix
(OP)
Are the items in a "nonmandatory" apendix truly nonmandatory, that is do not have to be met. For example, in Appendix M relief device inlet and outlet allowable pressure drop are specified. Are these requirements that have to be met, or only suggestions?





RE: ASME Section VIII Nonmandatory Appendix
RE: ASME Section VIII Nonmandatory Appendix
So since this non-mandatory appendix is specified in the Code, do the requirements in this appendix now become mandatory?
RE: ASME Section VIII Nonmandatory Appendix
The Code committees cannot write rules for every application. Therefore, Nonmandatory Appendices are intended to provide general guidance.