Rerating of shell-and-tube heat exchanger

[plasticeng]

Could a shell-and-tube heat exchanger be consider as a pressure vessel?

What do API or ASME selections contains methodologies of rerating of a shell-and-tube heat exchanger?

 

[metengr]

Could a shell-and-tube heat exchanger be consider as a pressure vessel?

Yes. Depends on the MAWP stamped on the shell nameplate.

What do API or ASME selections contains methodologies of rerating of a shell-and-tube heat exchanger?

The NBIC is one source for boiler/pressure vessel reratings. The second is API 510.