Why use ball valves on Gas pipelines instead of gate & or
globe valves...means basic diffrence or use of these
valves..how designers knows this type of valve with rating
is required...
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1 How to calculate dp transmitter steam and water? 2 impulse line for liquid steam and gas
1 Answers Sitara Chemical Industries,
what is PID n give me brief info. about P&I&D.
What is the working principle of sox, nox analyzer?(opacity monitor) Otherwise how to measure the sox,nox?
How to work DCS? how to get the signal from Field Instruemtns to PIB to Console?
In which principle Woodward Governor 505 work in power plant? What are the input of Woodward governor 505
How to convert 4 wire level transmitter connection to 2 wire.
What is the Relation Between flow and pressure. How both terms related with each other.
what are the diff. in servo and regulatory control?
What is actuator what is motorized control valve?
what is span value and zero ? and how set ?
Why we use DPT? can we use PT instead of DPT?
For what reason would you possibly be compelled to make use of a Smith Predictor. Explain the idea behind the operation of this device.