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  • Users: supermax
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  1. supermax

    Particular safety valve calculation

    Hello to everyone, it seems that I post only to solve my troubles, but... I hope I will give soon my feed back! Well, I have to size a pressure safety valve installed downstream an furnace, in wich occurs a partial vaporization of an hydrocarbons mixture. The calculation hypothesis is: outlet...
  2. supermax

    API RP 14J for safety valves inlet/outlet sizing

    Hi, I have to size a pressure safety vale for an off-shore platform skid, and reading a technical clarification by client I found this specification: "the PSV inlet and outlet shall be sized as per API 14J requirement". What does it mean? Usually I apply the API RP 520 code for safety valve...
  3. supermax

    Flame arrestor on blow down line

    Hi, I have to install a flame arrestor on a blowdown line: someone knows if there is an API statement or another technical reference that prevent it? It depends only on pressure drop evaluation? Thank you.
  4. supermax

    Natural gas electric (indirect) heater

    I have to design a very unusual natural gas heater for a sea platform skid, that shall be structured in this way: - A jacketed vertical vessel with dyatermic oil inside, heated by an electric resistance, provided by a on-off device; - A natural gas flux trough the jacket, where the gas has to...
  5. supermax

    liquid mixtures freezing point

    Hello, I know that somewhere there are freezing point tables of various water liquid mixtures (eg.: water-glycol, water-ethanol) at different compositions: can someone tell me where is possible to find theese informations (books, articles, etc.)? Thank you.
  6. supermax

    Depressuring systems

    Hello, I have a gas depressuring system in wich a pressure vessel has to be depressurized from about 29 bar to environmental pressure, using a pressure relief valve. This is the question and I wonder if you could help me: do you know a mathematical model that is able to tell me what is the...

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