Answer / sivaram

To maintain the PV out put related with two different process
then out put should be split Ex:-Steam turbine Hot well level
control 1) PV: Hot well level 2)split out put1:inc to dec
action 3)Split out put2:Inc to Inc action ,and valves also
designed reverse action.

What is flow ,level, pressure transmitter ?and units?

2 Answers  

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why we use 0.2 to 1.0 kg/cm2 output in control valve

4 Answers   GNFC,

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Can be operate control valve without positioning if yes ? how and why?

4 Answers   Focus,

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steam drum level transmitter calibration procedure? with example?

1 Answers  

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why is not useing in boiler skin thermocople

1 Answers   KNPC,

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Reasons for using current as signal

1 Answers  

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Hook up resistance decade box to temp.transmitter.

0 Answers   CCIE,

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why full bore ball valve is not used in steam applications?

1 Answers  

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what is input and output cards of plc needs to be hot swappable mean

1 Answers  

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what is the use of conrol cable..?

1 Answers  

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Why 250 or 500 ohm load resistance is use in any transmitter

2 Answers  

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What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?

0 Answers  

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