What is the difference between bench set and operating range i control valve?
Answer Posted / chirag nihalani
if u do the adjustment in the string at the actuator, or
compress the spring, u will get the opposing force to move the
stem in the control valve that is called bech set .it depents
on the control valve. mostly foe small valve we use 3-15 psi
and for medium we use 6-30 psi .thanks
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?
what is gas metering system? gas chromatograph? and gas compressors?
How to erection of DCS Panel at site step by step
Using your own examples solve a problem involving normal table. (experimental method and analysis)
What is the use of temprature compensation?
what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?
i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.
Why we are using reverse action in displacer types level transmitters on some Vessels?
Calibration procedure for Electro magnetic Flow meter
Explain the working principle of lvdt?
why we are using magnet for calibration of gas detector?
what is dc moter.
i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?
Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?
How earthing can be checked????