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NBIC Publications Information

Print Date: 12/9/2024 4:19:06 AM

The NBIC is published as a new edition in July of odd numbered years (2021, 2023, 2025, etc.).


Public Review for the 2025 NBIC Edition (August 30 - October 14)

In preparation for the upcoming 2025 NBIC Edition, a draft of code changes is available for public review. This review period begins on August 30, 2024 and will conclude on October 14, 2024. During this time period, any interested party may review the draft document. Any comments or concerns regarding the changes indicated in the draft document must be submitted on the Submission of Public Review Comment form. Once you have completed the form, please send it to the NBIC Secretary at nbicsecretary@nbbi.org

2025 NBIC Draft Document 

NBIC Submission of Public Review Comment form


Changes/Revisions/Guide


Errata


Color Photographs for NBIC Part 2, Supplement 4

 

Figure S4.7.2

STAR CRACK IN CORRODED LINER.  POSSIBLE CAUSE IS EXTERNAL IMPACT.

 

Figure S4.7.3-a

GUSSET CRACK. POSSIBLE CAUSES ARE EXCESSIVE LOAD DUE TO UNSUPPORTED VALVE, PIPE, OR OVERSTRESS AND AGE.

 

Figure S4.7.3-b

CRACKED FLANGE. POSSIBLE CAUSES ARE INCORRECT MATCH-UP OF FLANGES, OVER-TORQUE OF BOLTS AT FIT-UP, MANUFACTURING DEFECT, OR EXCESSIVE PIPING LOADS.

 

Figure S4.7.3-c

CRACKED FLANGE. POSSIBLE CAUSE IS BOLTING DISSIMILAR FLANGES TOGETHER (FULL-FACED FLANGE WITH RAISED-FACE FLANGE).

 

Figure S4.10-a

EXCESSIVE HEAT. POSSIBLE CAUSES ARE LOCALIZED HIGH-TEMPERATURE EXCURSIONS.

 

Figure S4.10-b

LAMINATE VOIDS AT OVERLAYS.

 

Figure S4.10-c

SURFACE DETERIORATIONS. POSSIBLE CAUSES ARE EXPOSURE TO HOT WATER AND/OR STEAM AND CHEMICAL ATTACK.

 

Figure S4.10-d

BLISTERS. POSSIBLE CAUSE IS EXPOSURE TO STEAM OR PURIFIED HOT WATER.

 

Figure S4.10-e

SURFACE EROSION. POSSIBLE CAUSES ARE HIGH FLOW RATE OF FLUIDS, EROSION DUE TO PARTICULATES IN FLUID, AND CHEMICAL ATTACK/SOFTENING OF RESIN.

 

Figure S4.10-f

CORROSION/EROSION.

 

Figure S4.10-g

CRACKS. POSSIBLE CAUSE IS IMPACT FROM AN EXTERNAL SOURCE.

 

Figure S4.10-h

CORROSION (LOSS OF VEIL).

 

Figure S4.10-i

SHELL FRACTURE. POSSIBLE CAUSE IS EXTERIOR IMPACT.

 

Figure S4.10-j

CONCENTRATED SULFURIC ACID ATTACK.

 

Figure S4.10-k

BLISTER.

 

Figure S4.10-l

FIBER PROMINENCE. POSSIBLE CAUSE IS EXPOSURE TO SUNLIGHT AND NO UV PROTECTION.

 

Figure S4.10-m

COLOR CHANGE.

 

Figure S4.10-n

CUT EDGE EVALUATION.

 

Figure S4.10-o

EROSION IN THE LINER.

 

Figure S4.10-p

GOUGE. POSSIBLE CAUSE IS MECHANICAL DAMAGE.

 

Figure S4.10-q

CRACKS AT THE KNUCKLE. POSSIBLE CAUSE IS INADEQUATE ANCHORING OF VESSEL.

 

Figure S4.10-r

SULFURIC ACID ATTACK AND THERMAL SHOCK.

 

Figure S4.10-s

AIR BUBBLES BEHIND THE VEIL (SHOWN AFTER CHEMICAL EXPOSURE)

 

Figure S4.10-t

DELAMINATIONS AND BLISTERS. POSSIBLE CAUSES ARE EXPOSURE TO HIGH HEAT OR IMPROPER SURFACE PREPARATION OF LINER PRIOR TO STRUCTURAL APPLICATION.

 

Figure S4.10-u

FLANGE CRACKING.

 

Figure S4.10-v

ELASTOMERIC GASKET EXTRUDING. POSSIBLE CAUSES ARE EXCESSIVE BOLT TORQUE OR IMPROPER BOLTING SEQUENCE.

 

Figure S4.10-w

INCORRECT GUSSET ATTACHMENT.  POSSIBLE CAUSES ARE GUSSETS NOT EXTENDING OUT FROM FLANGE A MINIMUM OF 30° FROM THE AXIS OF NOZZLE NECK, OR GUSSET ATTACHMENTS USED AS PART OF THE FLANGE THICKNESS.

 

Figure S4.10-x

STAR CRACK. POSSIBLE CAUSE IS EXTERNAL IMPACT.

 

Figure S4.10-y

EXCESSIVE USE OF PUTTY.