Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / ali faozy
if the control valve has i/p &postioner we need [ 4 to 20 ]
milliamper dc source , 140 kpa air supply for i/p and 700
kpa for positioner [depending on positioner supply
recommendation]
we need also to calibrate the strock indicator for fully
open and fully close positions
if the control valve has no i/p & positioner then we need
air signal source of [20 to 100]kpa depens on control valve
design
and 700 kpa air supply for valve supply
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is the calibration procedure for transweigh make weigh feeder?
What is standard procedure of manual mapping in Radar type level transmitter?
How to work temperature gauge?
What is PDS and PDMS ?
Explain working principle of lvdt?
I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?
detail of mass flow meter pricipal
how to turbine speed measurement?
What is 1:1 redundancy ?
How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?
Difference between ultra sonic flow meter
Please can anybody help for control valve sizing step by step procedure?
how u choose thermowell lenght n pnumatic C/v size?
what is piezoelectric transducer?give an example in power plant n state its principle?
How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.
