line up procedure for dp type flow transmitter?
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Identification of control valve parts.
0 Answers CCIE, Oil and Gas Jobs,
How does one detrmine the direction of movement of core in an LVDT?
I HAVE PRESSURE TRANSMITTER WITH TWO WIRES 24 VOLTS SUPPLY.IF TRANSMITTER WILL GIVE SIGNAL TO THE DCS WHAT HAPPEN TO THE 24 VOLTS POWER SUPPLY IT WILL DROP OR REMAIN TO 24 VOLTS POWER SUPPLY.
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what is function of vibration, and how is it work, explain with difination
1 Answers Bapco Bahrain Petroleum Company,
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Why we use the double acting control valve in flow line?
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can u please tell me the different types of valve uses and wt purposes it is used ~!(controlling the flow other than that which valve should be used in what place)
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I work on a electronic positioner transmitter 4211 at the field.I connect my multimeter in series to get the current output then I calibrate it to 4ma in 0% of position of the valve and 20ma in 100% position of the valve.My problem is in the field I get the correct output current based on my multimeter but in the dcs they only receive 40% in a output 20ma of this positioner.Then I try to simulate in this analog card and they receive the equivalent percent on the value that I simulated.Is ther any possibility to reset the zero and span of this positioner 4211 fisher.And what other possibility I can do to fixed this.This is my email add ( landicho_randy@yahoo.com )
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