Seat contour / Linear contour / full contour, Multi hole and Balanced type plug in control valves

[JigarJoshi]

Can Anyone tell me when should I use Seat contour / Linear contour / full contour, Multi hole and Balanced type plug in control valves?

 

[danw2]

Some printed resources that cover those topics:

 

[danw2]

Fisher Control Valve Handbook
Link

Fisher Control Valve Sourcebook - Refining
Link

Fisher Control Valve Sourcebook - Oil & Gas
Link

Fisher Control Valve Sourcebook - Pulp & Paper
Link

Fisher Control Valve Sourcebook - Power and Severe Service
?

 

[JigarJoshi]

Thanks danw2...

I have read the control valve handbook and soursce book for Pulp and paper but let me sink my beak in other books also.

thanks for your response.