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  1. Gordo2020

    Interperetation of API 618 4th Ed. Pressure Drop

    Do you have any papers or references on calculating the dynamic pressure loss through an orifice? It is interesting to hear that they can be more then all the other static losses
  2. Gordo2020

    Interperetation of API 618 4th Ed. Pressure Drop

    So when you have two vessels in series, did you apply the allowable pressure drop to each? i.e. 2x dP as per Eq 5 or did you check their total combined pressure drop against Eq. 5? It seems to make more sense that Eq 5 would be the total allowable of the combined pressure drop of each vessel...
  3. Gordo2020

    Interperetation of API 618 4th Ed. Pressure Drop

    I am curious if anyone in the pulsation control business can comment / provide insight. I am reading a report references API 618 4th Edition, clause 3.9.2.2.4 which states "Unless otherwise specified, the pressure drop based on steady flow through a pulsation suppression device at the...
  4. Gordo2020

    Allowable Stress on Lifting Lugs

    I am conducting an FEA of a lifting lug on a Div 1 vessel. I am looking at the stresses caused by altering the lift angle from 0 degrees (vertical) to 45 degrees off the vertical. The lugs are attached on the 2:1 elliptical head with a repad. Am I correct in applying UG-23 (d) Sps = 3S as the...

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