Scope
The line had the following specifications:
| Structure | Tank Flare system |
| Line Media | Ammonia |
| Design Pressure | 21 Bar |
| ANSI Rating | Class #150 |
| Design Temperature | -33 to100 °C |
| Design Code | ASME B31.3 |
| Schedule / Wall Thinkness | Sch 80 |
| Material and Grade | A333-6 Carbon Steel |
| Flange materials/specifications | A105N Carbon Steel |
| Geometory | Straight |
| Orientation | Horizontal |
Overview
An ammonia line had internal corrosion on a very difficult to reach section of a tank flare system.
The ICR.IAS JV were able to solve the problem by removing the corroded section and undertaking a Quickflange™ installation using one of our trained specialists under full breathing apparatus (BA).
Solution
- Flanges specified and tested through DNV approved process
- Fully BA trained QuickflangeTM specialist to fit with safety requirements
- Adjusted installation procedure to include a secondary isolation point as requested by the client
Benefits
- No hot work required to complete the repair
- Completed in one (1) day, reducing shutdown time
- No welding preparation, inspection or habitat requirements
Project Images
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