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Control Valve Sizing In Complex Hydraulic Circuits

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#1 Vegeta


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Posted 24 March 2017 - 03:47 PM


If there is a process requirement to install a liquid level control valve followed by a temperature control valve upstream of an exchanger on the common discharge header which then branches to multiple lines that go to different destination with a flow control valve on each branched line. How to assign and distribute the available pressure drop to the level, temperature, and flow control valves?


#2 cea


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Posted 24 March 2017 - 11:13 PM

Can you put pictorial presentation of scheme envisaged? P&ID with stream data will be ideal.

#3 Vegeta


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Posted 25 March 2017 - 01:59 PM

Hope the attached sketch can help. 

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  • Attached File  PFD.jpg   41.01KB   1 downloads

Edited by Vegeta, 25 March 2017 - 02:00 PM.

#4 breizh


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Posted 25 March 2017 - 06:38 PM

Hi Vegeta ,

Your system is very complicated , lack of "freedom" ..

You may consider a more simple arrangement :

   level control to stripper acting on the discharge to storage tank , no split range ;

  TIC acting on the coolant , not on the flow from the column  ,if possible

   FIC , nothing special


My view



#5 shvet


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Posted 26 March 2017 - 12:38 AM

Hope the attached sketch can help. 


My view

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Edited by shvet, 26 March 2017 - 12:45 AM.

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