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  • Users: byrdo
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  1. byrdo

    Excel Add-in Email - Equation Writer

    I am looking for a product that I recieved a free trial email about a few months ago that stated it enabled you to write formula in cell blocks of excel like you would on paper(something like mathCAD I am assuming). Can't find the emial and was wondering if any tried it out. If so, please like...
  2. byrdo

    Relief Valve Installation and Sizing Basis?

    I am reviewing the sizing and installation of several RV's and have the following questions: 1. Can a Relief Valve be installed on the outlet piping of the vessel it is protecting? Common sense would say yes, as long as the pressure vessel does not add any addition pressure drop. What if the...
  3. byrdo

    How to Estimate a Hydrodynamic Seal Leak?

    I am trying to estimate the amount of HC's that leaks out of a hydrodynamic seal on a large gas compressor. The seal has two sealing faces and two buffer gas purges, JC Type 28AT. It is assumed that both the primary and secondary faces failed and opened completely. How should the...
  4. byrdo

    How To Estimate Hydrodynamic Seal Leaks?

    I am trying to estimate the amount of HC's that leaks out of a hydrodynamic seal on a large gas compressor. The seal has two sealing faces and two buffer gas purges, JC Type 28AT. It is assumed that both the primary and secondary faces failed and opened completely. How should the...
  5. byrdo

    Restriction Orifices in Choked Flow?

    Restriction Orifices in Choked Flow? I am working on a restriction orifice in a gas service with the downstream pressure is less than Pchoked. The original design has a Po=285psia and requires a 200psi permanent DP. For this system Pchoked ~155 psia. This is where things get a little...
  6. byrdo

    When does a Piece of Pipe become a Vessel?

    When does a section of pipe need to be coded as a ASME Vessel? I am planning to install a “wide spot” in a line below a small tank to allow time to depressurize and refill on the run. We currently use the tank's sightglass for this, but it is not large enough for a new product I will be...

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