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  1. Mark1arm

    ASME VIII - Div.1 - Non-Mandatory App. Y

    Hi, Regarding Y3 (a)(pg.634)Q = Shear force between flange ring and end of hub, does the code prescribe an equation for this? or, is this simply basic shear force hand calculations? Thanks in advance Mark
  2. Mark1arm

    Acceleration Loadings

    Hi, A customer has asked us to consider loadings of 4g in the X,Y & Z direction of a vessel supported on saddles. Can anyone point me in the right direction with such a problem. Is this something that could be analysed by FEA or, am I over complicating the problem? Is this seismic/harmonic...
  3. Mark1arm

    ASME Outer Jacket Over-pressurization Relief Device

    We have a requirement for a vacuum insulated pressure vessel. Therefore the pressure vessel will have an outer jacket. Is anybody familiar with the concept of including the provision for a device that prevents the collapse of the inner vessel. Can anybody point me to the clause (if one exists)...
  4. Mark1arm

    ASME Allowable Stress Values for Low Temperatures

    Does anyone know how to determine allowable stress values for low temperatures. I need to know what ASME states for design temperature if I am designing a vessel for operation at -196°C. For example: I am using SA240 304. the allowable stress (ATM) = 206.9 MPa, Allowable stress (DT ((@-196°C)) = ???
  5. Mark1arm

    ASME II Part D - Allowable Stress Values - Novice Question

    Hi There, I'm very new to pressure vessel engineering especially ASME. At the moment I am trying to understand where things come from and how they are applied, so please excuse me if me question sounds very amateurish . With regards to the allowable stress values stated in ASME II Part D...

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