how will you check torque value during Factory acceptance Test for control valve

how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.

Question Posted / sethuraman

0 Answers
2463 Views
I also Faced
E-Mail Answers

No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Instrumentation Interview Questions

regarding level tx i would like to know how to select the range of the level transmitter in a closed drum(steam drum or deaerator)?

1 Answers

What is pre-commissioning and commissioning ?

1 Answers Armco,

whatis diference between zero pressure and obsolute pressure

1 Answers ABB,

how is hazardous and non hazardous area classified?

2 Answers Bhel, Power Plant, Samsung,

Why do we go for 4-20mA? why not other standara?

6 Answers

Why 4mA-20mA current loop selected as standard ???

1 Answers IMCO, Reliance,

A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

0 Answers

What is the difference between sdv and bdv ?

1 Answers

pressure switch range 0 to 2bar.i have to install from ground level to 5 meters height.what is the formula the to increse the range ? and every 1 meter how much pressure should be add ?

3 Answers

What is the main difference between Cavitation and Flashing?

1 Answers

who discoverd ohms law?

3 Answers HPCL,

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

For more Instrumentation Interview Questions Click Here