I am beginning review of the re-rating of a 1966 vintage boiler from 300 psig to 350 psig. Per the NBIC, section 3.4.2, I must use the stress values that were in place for original construction., ie,..Edition 1965. Does anyone know how I may obtain a copy of the 1965 Ed. Section I Power Boilers...
Can anyone please let me know what the rules are regarding "S" stamp or name plate required when installing a flanged "in-line" of flanged "set-on" type interstage attemperator. The ASME Section I code does not specifically address this but am assuming to treat this as a valve whereas the name...