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  1. TMOC

    Isolation of HP Steam Systems

    I would people's feedback on isolation systems for HP Steam. The Company I work for rates Positive Isolation (blank or removable spool) higher than Double Block & Bleed. I do not have an issue with this. On our HP Steam system - Class 600 - I am getting mixed feedback. Although Positive...
  2. TMOC

    NPT versus BSPT

    Guys, Thanks to everyone for their input. One point I need to clarify is that I was not intending on mixing threads - BSP would only be used with BSP, and NPT would only be used with NPT. I am located in Australia where we use a large variety of both, depending on the industry. NPT is more...
  3. TMOC

    NPT versus BSPT

    Hi Guys, I asked this as an add on to another question, but maybe this is better asked as a new one. Perhaps someone can answer a thread question for me. I am trying to determine which is better - NPT or BSP(T) for industrial refinery installations. Services range from very low to reasonably...
  4. TMOC

    Which standard applies for wellsites: B31.8 or B31.3?

    I think there is one code being missed here. Realistically API RP 14E should be used. Although this is an offshore spec, it is used (at least in Australia) for onshore oil & gas production wells - mostly because it has allowances for erosion and corrosion by sand, CO2, H2S, etc. Having sais...

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