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Sudden Change In The Gas Flow Rate

Started by Max3008, Sep 12 2014 11:02 PM

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#1 Max3008

Max3008

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Posted 12 September 2014 - 11:02 PM

Dear all,
Could anyone tell me the problems could happen when the gas flow rate changes suddenly (by opening/ closing valves quickly)?. Does it relate to "hammer water" effect?
Thanks in advance,
Hoang.

#2 latexman

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Posted 13 September 2014 - 06:21 AM

The problems are less severe for gas due to low densities and it's high compressibility; to the point that problems are really somewhat rare,  at least in my industrial experience.


#3 fallah

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Posted 13 September 2014 - 06:43 AM

Hoang,

 

In gas services rapid closing/opening of the valves may damage the valve itself's internals and affect the valve reliability rather than damaging the associated piping system by surge creation...


Edited by fallah, 13 September 2014 - 06:47 AM.

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