Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / srinivasansureshkumar
Control valve: Also called as final control element /
variable orifice (Restrictor) in a flow line.
Principle of operation : Motion Balance Principle.
Breif Description: The control valve consists of
1. Actuator (Provides power to drive the valve otion)
2. Range spring (Its the one dictates the operating range
of valve)
3. yoke (Supports the Actuator to valve boby)
4. Valve Body (where plug & Seat in there throttles the
flow according to the position between them)
** The signal provided to the actuator drives the actuator
stem which is coupled to the plug stem. this motion occurs
opposing the range spring until the resultant force
generated by the actuator and range spring nullifies.
The resultant is the travel position of the valve.
| Is This Answer Correct ? | 33 Yes | 2 No |
Post New Answer View All Answers
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).
Explain pH, Conductivity.
What is 1:1 redundancy ?
what is the protection system in solar turbine compressor
what is temperature compensation?
What is difference between radial vibration and axial vibration explain in detail .
what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?
what happen if i increase height of displacer type LT.accuracy or sensitivity are affected.why?
In turbine what does term CDP, NH, HSSOC means.
How to decrease opening & closing time of on/off valve?
For what reason would you possibly be compelled to make use of a Smith Predictor. Explain the idea behind the operation of this device.
how to calibrate load cell
why orfice is not used for main steam flow calculation
Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor
