Root Cause Analysis (RCA): Urea Plant tight shut off impossible PTFE liner 6” 300# butt weld end Plug Valves.
| Article Type: | Root Cause Analysis (RCA) |
| Category: | Mechanical |
| Equipment Type: | Pipelines and Miscellaneous Problems |
| Author: | S. Raghava Chari |
Note: This root cause analysis (RCA) is from real-time scenarios that happened in industries during the tenure of two or three decades ago. These articles will help you to improve your troubleshooting skills and knowledge.
He disassembled the heaviest passing valve. A steel scale showed dented taper – the cause of the leak.
Obviously, the 6 mm wall thickness hollow plug caves in under closed condition line condensate pressure; hence the leaks
On his insistence, the vendor after few futile repair attempts furnished solid taper plugs. Passing Problems vanished forever.
Author: S. Raghava Chari
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