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  1. neroverdi41

    Control Valve CFD Analysis

    Hello; the parameters required from a control valve are inlet and outlet pressures, flow rate and temperature. when analyzing I can only specify 2 boundary conditions: either inlet pressure+flow rate or inlet pressure+outlet pressure. which one is more correct? because I cannot give flow rate...
  2. neroverdi41

    Axial Control Valve Sizing

    Hello I need to make Axial Control Valve sizing for a line with a size of 16”. Parameters: P1=82-36 bar P2=82-36 bar Q=10000-100000 sm3/h T=15 C How can I size it? Also, why are two different pressure values given for inlet and outlet? Can you help me urgently?
  3. neroverdi41

    Control Valve and Diaphragm Actuator Force Calculation

    Hello Friends; How can I calculate the force that the flow control valve will produce? At the same time, how can I determine the actuator I need to put on it? For example, there is 14500 N valve force, how can I determine the dimensions of the actuator's casings? How can I calculate the...
  4. neroverdi41

    Pressure Control Valve vs Flow Control Valve

    Hello friends; I wanted to investigate the difference between these two valves, but I couldn't find any clear information. is something added on top of a normal control valve? can you inform me about this?
  5. neroverdi41

    Natural Gas Cavitation

    Hello everyone. Natural gas will pass through the control valve I designed at 50 C temperature and 55 bar pressure. In this case, I want to calculate whether there will be any cavitation in the valve. I know that natural gas will remain as gas under these conditions. I also know that cavitation...
  6. neroverdi41

    Closure and Stem Calculation

    Hello. I want to calculate the wall thickness for the lid of a pressurized vessel, but I am not sure if I am using the right formula. I used the UG-34 formula in ASME BPVC Div. 8. Do you have any suggestions? How can I calculate the minimum wall thickness of the stem of a valve?

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