what is the main supply source for pressure transmitter?
1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.
Galvanizing.
how the presure switches are calibrated? and what happen inside?
how many parts of valve positioner?
What are different types of control valves?
while stroke checking of a linear control valve ,found its travel is in non linear ,what can be possible reason ? ( please answer send in mannanali65@gmail.com) pls pls pls if any body know
Transmitter reading is zero but in DCS showing one Bar what is the reason ?
Transducer Input 0 to 230 v ac Output-0 to 10vdc Receiver Input 0 to 10 vdc and Output 4 to 20 ma How?
what is the principale of vortex flow meter.
7 Answers Ambuja, India Glycols,
open tank and close tank leavel transmiter about range and calibration
what is commissioning & pre commissioning , explain with difination
2 Answers Bapco Bahrain Petroleum Company, Shell,
WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN
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