Control Valve Ratio

[Instnapp]

Hi Good Day All,

I appreciate if someone can explain what is meant by a CV ratio 50:1 on masoneilan control valve 10,000 series double seated.

Thanks
Naresh

 

[EmmanuelTop]

CV ratio = turndown = max/min flow ratio

http://www.herrera.unt.edu.ar/controldeprocesos/Tema_3/Ch2500.pdf

Dejan IVANOVIC
Process Engineer, MSChE

 

[Instnapp]

Appreciate your feedback EmmanuelTop.