How flow control valve is working with pnuematic positioner and I/P convreter from command is given from remote

1 Answers   Ecil, GAIL,

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in natural gas indirect water bath heater,how to prevent the problem of backfire from firetube during ignition...becoz of this backfire performance of wbh is going low.

0 Answers  

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why we use sensing type(NPN)on a vibration monitring system not a (PNP)sensing type

1 Answers  

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What is difference between reset and initialization in industrial automation?

1 Answers   Marafiq,

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There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

0 Answers  

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why we use by pas on a positioner? When can a by pass be not used on a positioner ?

1 Answers  

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what is bms?

4 Answers   Emco,

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What is the working principle of the magnetic meter?

0 Answers  

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how to calculate flow range in DP tx

1 Answers   Karnataka Power,

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Explain the difference between the types of input variables plc?

1 Answers  

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In oil & gas industries and petrochemical industries, there are classification of zones like zone 0, zone 1, zone 2. Is there any differences in voltages or power supply supplied for the process instruments, control instruments depending on the zones

1 Answers  

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What is the principle of a Pressure gauge?

2 Answers   CCIE,

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