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Recent content by hal1981

  1. hal1981

    Reducing pressure of liquid in constant temperature

    thanks Compositepro! How to reduce this pressure? is this pressure reduced along the LIC control valve?
  2. hal1981

    Reducing pressure of liquid in constant temperature

    Hi We have an ammonia vessel @ 150 bar and -23 C connected to another vessel @ 18 bar and -23 C. level of first vessel controlled by liquid output and pressure of second vessel controlled by manipulating output gas flow rate of this vessel. Ammonia input flow rate of second vessel is 42117 kg/h...
  3. hal1981

    heat exchanger input output orientation

    Thanks ash Someone said, usually, the hot line enters at top and cold line enters at the bottom of HEX!
  4. hal1981

    heat exchanger input output orientation

    Hi! How can I find hot/cold input/output line of heat exchangers? Thanks!
  5. hal1981

    vent and minimum flow

    yes you are right! thanx
  6. hal1981

    vent and minimum flow

    maybe! but minimum flow line also back to suction side of pump.
  7. hal1981

    Length of straight pipe before the suction of pump

    I this length relates to the entrance length for fully developing flow?
  8. hal1981

    vent and minimum flow

    Hi! i see a pumps used in ammonia storage (LPS) have a both vent line and minimum flow line. Vent line back to storage where the suction line came, but minimum flow line return to the storage top! What is the difference between this lines?
  9. hal1981

    H2S stripper tower

    Hi all, i worked in Ammonia unit, and we have a small H2S removal section. H2S stripper tower in this section has a thermosyphon reboiler warm up by steam. A small flash drum installed on top of stripper. When a liquid level of flash drum increased, the top temperature of stripper decreased. I...
  10. hal1981

    what is the diffrence between orifices!

    Hi all! does any one can explain difference between swaged orifice, restriction orifice and line sized orifice!

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