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Low Flow in Pipes- posted in Ankur's blog


Software For Calculating Flow Through A Pipe

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#1 Deep24


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Posted 07 May 2018 - 07:25 AM


I need a software or excel sheet for calculating maximum flow through a pipe. Line upstream & downstream pressure are available.

Also for a certain upstream pressure & flow, what will be the maximum pressure drop through a pipe.


Pls help.




#2 Technical Bard

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Posted 07 May 2018 - 01:00 PM

This is a relatively easy thing to build yourself from textbook equations.

#3 Bobby Strain

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Posted 07 May 2018 - 02:06 PM


But there are many on this site. Also, you can look for commercial stuff for a good value. Try Steve Hall and Harvey Wilson at Katmar.



#4 Art Montemayor

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Posted 07 May 2018 - 03:48 PM

Bobby is precisely right.


I cannot recommend Harvey Wilson's fluid flow software enough.  You can't beat the price he charges for the quality his software produces.  I've used it many times with good results.


It is called Aioflo Pipeflow Calculator and you can buy it at:



#5 v7788999


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Posted 02 August 2018 - 12:47 AM

Try "Refining online" has a little program for unit convert, steam property and line sizing.  

#6 Jorge_RZ


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Posted 02 August 2018 - 02:58 PM

For simple piping calculations, there's many websites available for free.


For more reliable results, I'd also recommend Aioflo like Bobby and Art.


More more complex piping systems, we use Korf Hydraulics by Korf Technology Ltd. I strongly recommend it if you do this kind of calculations regularly.




You can build entire piping systems with valves and fittings, including compressors, pumps, control valves, etc.


Hope it helps.



#7 Che#pet


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Posted 22 May 2019 - 11:15 AM

You can use ASPEN HYSYS also for this purpose. When you specify the pipe inlet pressure, inlet temperature, pipe diameter, pipe length and pipe outlet pressure, HYSYS will back calculate the flow which will be the maximum flow possible for the available system differential pressure.

#8 Clezike04


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Posted 16 October 2019 - 10:54 AM

Pipephase would do all of what you ask.

#9 Yasserkassem


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Posted 30 October 2019 - 08:50 AM


you will find some suitable excel sheets in the next post



best regards

#10 ieseberri


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Posted 29 May 2020 - 07:50 AM



If you are looking for an online free flow rate calculator, visit this website :




You are going to be able to download the results calculation for free!



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