Answer / dinesh

Solenoid valve operates with 24VDC supply . It is used to actuate the pneumatic supply to the actuator when the command is given for open/close to open the ESD/XSY valve. Solenoid valve of some types contains a reset button on their body which will be pressed by the operator in field to open the valve when an open command is given.

what is the basic working principle of I/P and Positioner in any control valve.

12 Answers   Essar, Visa Steel,

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what is hot loop check and cold loop check.

3 Answers   Bapco Bahrain Petroleum Company,

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cascade controller is feed back or feed forward or both

4 Answers  

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How to measure density of oil in your kitchen. i.e indirectly to verify the quality of oil using min. gadgets available in the kitchen/house.

1 Answers   HPCL,

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WHY WE R NOT USING THE TURBINE FLOW METER IN THE STREAM SERVICE ? pl explain?

3 Answers  

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what is the difference between RTU & MTU in SCADA system?

4 Answers   Bosch,

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Explain the combusion chamber

0 Answers   IFFCO,

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I am working in a process industry, in that there are several sections devided in the SCADA screens and individual sections may START independently. But sometimes i am facing problem i.e, if section 2 Stopped by the operator immediately Section 1 or Section 3 or Section 4 is getting stopped can you expain the reason behind this?

5 Answers  

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please tel me the calibration of pneumatic controler.

0 Answers  

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What is the working principle of the magnetic meter?

0 Answers  

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describe yourself?

1 Answers   TCS,

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How INtools is useful for routine Instrument maintenance?

0 Answers  

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