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  • Users: mcompound
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  1. mcompound

    UCS-66 and UG-45

    Hi all, Can anyone give guidance regarding why UCS-66 uses tr when calculating the MDMT coincident ratio and not tug-45? I am actually performing a API 579-1 brittle fracture evaluation and I have been using tug-45 for my tmin in the stress ratio calculation. I just realized that COMPRESS and...
  2. mcompound

    PSV Sizing

    Hi All, I am trying to size a PSV for a 250 psig pressure vessel discharging into a header. The header has 2 thermal sized PSV discharging into it at 450 psig from other sources. The header routes to a flare stack. The vessel contains mercuptan, which boils at 95F. I don't do much PSV, so I...

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