Answer / rahul nayak

obviously the control valve should be installed first.
because we must restrict the flow first by placing valve in
line. then only we should think about to control the flow by
flow transmitter.

Answer / shashidhar

Flow transmitter....

Since we do use valve to control this transmission , control
valve come next.

If i want use the 6 kg/cm2 pressure gauge then how to calculate its pressure gauge range?

1 Answers  

---

how we calculate the range of flow from a dp?i mean if we have a dp,3810mm h2o.how much flow ranges we can use for this DP?

1 Answers  

---

what is the principle of vibration

3 Answers  

---

how checking is done in fiber optic cable? explain the working of RTU?

5 Answers   PSU,

---

what is difference b/w Earth and ground

2 Answers   PPL,

---

The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?

0 Answers   Process Control Technologies,

---

what is hot loop check and cold loop check.

3 Answers   Bapco Bahrain Petroleum Company,

---

WHAT IS DIFFERENCE BETWEEN TWO WIRE RTD AND THREE WIRE RTD?

5 Answers   Yokogawa,

---

what is the difference between plant earth and instrument earth? and what type of cable( cable size ) used for both? and why ?

0 Answers  

---

how can I install "operating system " in may HART communicator? It is damaged, and it doesn't boot up.

1 Answers   ARPC,

---

can a control valve works without positioner?why need tunning of c/v?

4 Answers  

---

how to make a calibration for differential pressure

2 Answers  

---