Answer Posted / bert
The type of signal going to control valve is either a
pneumatic or electronic signal. For a pneumatic signal its
3 to 15 PSI or 0.2 to 1.0 kg/cm2. For electronic signal its
4 to 20 mA.
| Is This Answer Correct ? | 7 Yes | 0 No |
Post New Answer View All Answers
what would be the minimum flow rate that we can measure on rotameter..?
how to work MIL contol valve posistioner ?
What are the type of bonnets in the control valves?
How does work A temperature valve or fv control valve in process plz brief me
What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?
what is the importance of CV in the control valves? how it is calculated?
What is the difference between working pressure and calibration pressure of a control valve
What is the main difference between Cavitation and Flashing?
Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .
What is frequency factor in massflow meter? When using frequency output?
Hi, I am Newely Joined in Construction company instrument engineer? Any one can Plz tell me How can I advanced preparation for Releated Engineering and construction Documents?
What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.
Explain Gas Turbine startup and shutdown sequences
Dear Sir/Madam,im going to attend Hpcl written exams on feb 17th in instrumentation stream..can anyone send me the HPCL model papers and pattern of HPCL ....i ve not yet attended anything in HPCL...so i dont know how it comes...so just i need some model test papers and pattern ..pls help me friends...
Why are the uses 24vdc in industries
