Openings near tube sheets
A new requirement was added to the 2019 Edition of the ASME Code in paragraph UHX-4(h), concerning openings adjacent to tube sheets. In exchangers where the tube sheet is welded…
Category: ASME Code, TEMA and API Facts
NBIC Repair Types
When repairs are made to code pressure vessels, the National Board Inspection Code (NBIC) classifies them into three categories: alterations, repairs, and routine repairs. Alterations are the most significant type of…
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