Different between control valve and mov
Answers were Sorted based on User's Feedback
Answer / s.p. patel
control valve is control through pneumatic and electrically like that positioner and i/p converter but mov control through only electrical and different types cards use mov use in generally large pipe line size mov means motorized operating valve
Is This Answer Correct ? | 9 Yes | 0 No |
Answer / aamir
1-one reason of using MOV instead of control valve is that "MOv has low pressure drop then control valve"
2-Mov are useing electrical power supply. so no need or pneumatic or extra supply.at some places we can not provide pneumatic supply to control due to long distance,so we use MOV.
Is This Answer Correct ? | 2 Yes | 0 No |
what is a instrumentation ?
I am pujita completed Electronics and Instrumentation Engineering.As a fresher i am going to attend the interviews.Could anybody guide the topics/questions covered mostly in interviews.
how to measure draft pressure in transmitter pl. give its single line digram
How many interlocks at turbine? Plz explain briefly
0 Answers MRPL Mangalore Refinery and Petrochemicals Limited,
What is Cavitation?
Where we cant instal mass flow meter.
why cant we use mV instead of mA?
12 Answers ABB, Power Grid, Qatar Gas, USW, Visa Steel,
hey any one got the papers of SAIL and HPCL plz do help me by posting them to my mail ID's naren07_87@yaho.co.in, surenarendra@gmail.com
What is scan time of PLC?
what is Instrument Schedule, and what it is mainly used for?
how to calibrate differential pressure switch
what is difference between RTD and Thermocouple?