Answer / rameez_rz2000

1st of all we have to open the control valve 50% and then
the feed back link of positioner will came at 180 degree to
control vale and now we will adjust the screw

Answer / rk

think positioner is nothing but a control valve.installation of positioner is done by closing the valve,then it has flange which helps to b screwed with pipes.

where we are used split range control

1 Answers   Borouge,

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I WANT TO KNOW SOME BASIC CONCEPTS RELATED TO INSTRUMENTATION

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What is purpose of shield wire?

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Please send me the sample question of Instrumentation of hpcl/iocl exam. my mail id hihi_kiholo@rediffmail.com

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1 Answers   Delta Controls,

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Control valve Flow characteristic. How the equal percentege curve form?

5 Answers  

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