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  • Users: mawells
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  1. mawells

    N2 purge and Reduced Husa method

    I am trying to get to a min purge rate in our vent header to keep the O2 conc below the LEL. As I understand, Reduced Husa allows a flammable mixture to exist for some distance in the vent stack from the tip. I guess the assumption is that, if an ignition were to occur then the flame would only...
  2. mawells

    Vent header purge rate

    I am looking at the purge rate of fuel gas in our vent header. I have used the Shell DEP to calculate the required min purge rate, which is a function of diameter of the vent tip and the Mr of the purge gas. The purge gas is injected at the far end of the vent header. It appears the same method...
  3. mawells

    Vent header purge rate

    I am looking at the purge rate of fuel gas in our vent header. I have used the Shell DEP to calculate the required min purge rate, which is a function of diameter of the vent tip and the Mr of the purge gas. The purge gas is injected at the far end of the vent header. It appears the same method...

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