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How to get Cv of control valve having following parameter
,i.e inlet pressure 4.5kg/cm2
outlet pressure 1 kg/cm2
specific gravity 0.808

Answer Posted / mohammad iftikhar

firstly u need to convert the following parametrs
1- conver inlet pressure into PSIG, your outlet pressure
2- you need to know what is your temperature max & min
3- you must know your flow rate
4- diffrential pressure
5- nominal pize size
6- sizing for ....mean for which fluid

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