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  1. safcon

    Relief valve question

    I posted the following in the Chem-E section but received no response. Might this forum help? A question has come up in a process hazards analysis (PHA): A relief valve (standard spring loaded) is fitted to a vessel. The MAWP of the vessel is 6,500 psig. The relief valve is set at 6,500...
  2. safcon

    Relief valve question

    A question has come up in a process hazards analysis (PHA) that I'm conducting for a client. I'm confident that I know the answer to this, but I wanted to run it by the forum for confirmation. A relief valve (standard spring loaded) is fitted to a vessel. The MAWP of the vessel is 6,500 psig...
  3. safcon

    Control valves used as trips?

    A HAZOP I am currently participating in came upon the following situation: A fired furnace has three sets of burners. Two of the three sets are fed by a common header protected by a single double-block-and-bleed trip valve trio. These two burner sets have their own temperature or pressure...

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