I am applied 100 % pressure on to the air to open control valve,but the valve is not fully closed..and 10-15% is open the valve. how to calibrate the control valve?
- 3 Answers
- 3471 Views
- OPaL, I also Faced
- E-Mail Answers
Answer Posted / oliver
in postioner there are span and zero setting. with the help of span n zero we can adjust it.
if your valve is not fully close than use zero setting, and if it is not fully open than use span setting.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com
In a gas over oil actuator, after the opening/closing of valve, how the gas is vented out? How does the hydraulic/gas circuit function?
i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in
can we copy the software from a transmitter using hht(hart 275) ?
dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.
Name different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge.
what is the input of digital counter during the the calibration time?
how to measure oxygen which methods are using?
State some of balance principle’ advantages?
How to control flow variations in magnetic flow maters..... When i will provide proper earthing?
1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?
Can anyone send most commonly asked interview question in Oil & Gas industry
how is work pressure switch& level switch?what is the principle of this?
Sir, I am working as a Instrument Engineer in Grasim Industries. Can any body provide question answer for interview purpose
How to find out the current of two motors having same power consumption but different RPM?
