Answer / chirag nihalani

if u do the adjustment in the string at the actuator, or 
compress the spring, u will get the opposing force to move the 
stem in the control valve that is called bech set .it depents 
on the control valve. mostly foe small valve we use 3-15 psi 
and for medium we use 6-30 psi .thanks

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what is AWG?

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i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

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