Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / mohamed rafik
The opening or closing of control valves is usually done automatically by electrical, hydraulic or pneumatic actuators. Positioners are used to control the opening or closing of the actuator based on electric, or pneumatic signals.
| Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
how to calculate the total flow in square root
Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?
What is standard of DCS panel design?and what is step of DCS panel design?wiring and type of connector(screw or DB connector)
our kks tagging is crossing more than 12 character please suggest how to take tags in the DCS
what are the steps I have to deal with?
Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz
sir, give me placement papers and interview quistion of birla group company of copper.
What is Predictive Maintenance
Why are the uses 24vdc in industries
List three types Level Switches with their working principles
If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?
Explain the working of an electronic level troll.
I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.
What is the use of single seated valve?
what is stroke check for field instument transmetter's & AOV's
