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 / marankrapu

Roughly the Cv is Flow rate (q) divided by square root of
Delta P over fluid sg

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

䑰ҕ䔈ҕ䖠ҕ䘰ҕ䛀ҕ䝐ҕ䟐ҕ䢐ҕ䥐ҕŹ

1503


Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com

1850


you are on site,the plant trips,you are approached by operations,what do you do?

1743


pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.

2654


How earthing can be checked????

1956






What is Droop? What is Step/Gradient Limiter in Turbine Governor control?

2907


how to design orifice plate?what is the equation?

1621


how will you segregate the alarm levels in alarm management system during factory Acceptance Test

1915


What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).

1666


Why grounding is necessary? Give example with diagram.

1745


What are primary elements of measuring pressure? Which type of pressure can be measured by these elements?

630


1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?

1179


How do bending tubing provide better measurement than using tubing fittings such as elbows?

1472


May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com

1595


what is the difference between attemperator and desuperheater ?

4972