NBBI NB 23 Part 3:2025
Current
The latest, up-to-date edition.
National Board Inspection Code(NBIC), 2025 Edition
Hardcopy , PDF
English
01-07-2025
This supplement provides requirements and guidelines for repair and alteration of historical steam boilers of riveted and/or welded construction not within the scope of Supplement 1.
| DocumentType |
Standard
|
| Pages |
335
|
| PublisherName |
National Boiler Inspectorate
|
| Status |
Current
|
| Supersedes |
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