Seal Class A/B/C
Under-sealing a high seal-class run; fails leakage test
Stop if
- What seal class is this system and does it include penetrations?
Watch out
- Skip longitudinal seams on class A
Check
- Seal class letter and which seams/joints/penetrations it covers
Steps
- Seal class letter and which seams/joints/penetrations it covers
Say this to your foreman
What seal class is this system and does it include penetrations?
More in Joints, TDC, Flanges & Connections