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Congratulations waross on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
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Piggable pipe problem
Did the Contractor run a sizing gage plate when the line was completed? If the plate was the proper size and got through the pig should pass. What type of pig are you running? The type of pigs we use can be pushed through one pipe size smaller than they are sized for. If you are trying to...- cgmrr
- Post #4
- Forum: Pipelines, Piping and Fluid Mechanics engineering
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Rationalization of API 521 Max. 0.7 Mach Velocity
I am retrofitting an existing gas plant flare system, which does not comply with the API 521 recommendations for maximum flare header velocities of 0.7 Mach. Does anyone know the basis of this recommendation and what the consequences of exceeding it? If 0.7 Mach is a cast-in-stone...- cgmrr
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- Replies: 0
- Forum: Pipelines, Piping and Fluid Mechanics engineering
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Maximum Flare Header Velocities
Numerous references (i.e. API 521) on the subject of maximum velocities in flare headers recommend not to exceed 0.7 Mach. The only reasons given appear to be noise and vibration. I am evaluating an existing system that under maximum conditions will have velocities exceeding .7 Mach. To...- cgmrr
- Thread
- Replies: 0
- Forum: Pipelines, Piping and Fluid Mechanics engineering
