Answer Posted / rabindra ojha
pneumatic control valve operated by air.to operate a cotrol
control valve requared accesories are (air, i/p,
positioner,regulator).i/p inlet air is 1.5 kg/sq.cm and
signal is 4 to 20 ma.i/p output is 0.2 to 1 kg/sq.cm.when
command is given corresponding output of i/p is gone to
positioner.its output go to control valve to operate the
control valve. positioner works on flaper nozzle principle.
Is This Answer Correct ? | 24 Yes | 1 No |
Post New Answer View All Answers
how can leve transmetter calibate in feild .and also put cv and flow plz .....
What is the use of GMV in turbine?
Please can anybody help for control valve sizing step by step procedure?
Give Detail information about plc,dcs,and scada system?
Can anyone convert a 5/2 way or 3/2 way valve into an ISO valve?
hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com
what is sil (safety integrity level
What happen if we install my pressure transmitter below the elevation of pipe in natural gas service?
WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN
What is Cavitation in a control valve?
where proximity sensor installed on tank in loading arm application
Explain types of valves?
please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...
Conversions
What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?