In control valve , Failure position : Close If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..

2 Answers  

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Working principle capacitance type level transmitter

3 Answers  

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Why shield is not connected at both end.

5 Answers  

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What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?

0 Answers   Jubilant,

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Explain the thermocouple and RTD?

1 Answers  

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Draw a P& ID showing – orifice flange, plate, dp transmitter, isolation & bypass valves and tubing.

0 Answers   CCIE,

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What is differnece between leveltroll and interface leveltrol?

2 Answers  

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We are used ABB 800xa 5.1.please tell me how to instrall this.

1 Answers   TCCL,

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What is scan time of PLC?

2 Answers   Gujarat Borosil,

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What is the principle of capacitance type level transmitter?

0 Answers  

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what master plc do?

2 Answers   ISRO, Yokogawa,

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How to Calibrate Radar Level Transmitter in Field

0 Answers  

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