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  • Users: PLar
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  1. PLar

    Pilot operarted PSVs and rated flow.

    Hi Daria Th e important thing for me is to get a correct estimate of the maximum flow in the piping as input to the pipe sizing. It is important to get the sizing accepted by the client because changes in the pipe sizing will afect many othe rdocuments.
  2. PLar

    Pilot operarted PSVs and rated flow.

    Thanks for responses. I decided to go for the most conservative alternative and use the flow with low pack pressure to calculate the rated flow to size my piping. after finished the calculations and documents the client informed that they have recalculated the flare system and ended up with a...
  3. PLar

    Pilot operarted PSVs and rated flow.

    Hi mk3223 Thanks for your response. I will clarify my question a bit. I am working with a new installation and we have will be connected to a large flare system with a maximum specified backpressure of 7 barg from the client, my question is when calculating the maximum capacity for the valve...
  4. PLar

    Pilot operarted PSVs and rated flow.

    Hi I am working with a new installation where we will install Pilot Operated PSVs with a maximum back pressure that is close to the set pressure of the PSVs. After contacting our normal PSV supplier, I got the information that the max capacity for the PSVs will be reduced to 80% when we have the...
  5. PLar

    Fire case for HC water mixtures

    I am calculating relief cases for a system with a water HC mixture. My question is does anyone have a good idée how to calculate the heat of vaporisation for the mixture? If I take the enthalpy of the mixture in vapour phase (at due point) minus enthalpy of the mixture in liquid phase (at bubble...

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