Answer / ahmed helmy

to avoid the direct contact of hot steam with the transmitter so the impulse line should be filled with water which is coming from the condensation in the below of the boiler.

What is hp & mp seperator .& what is its working principle ?

0 Answers   Chevron,

---

what is meant by control valve sizing?

3 Answers  

---

difference between DCS @ SCADA system? and how can use in field

5 Answers   Marafiq,

---

what is ment by PID controllers? explain with example?

2 Answers  

---

key phaser where is use and work

0 Answers   BAP,

---

What is meant by GAP VOLTAGE, in vibration measurement. Normally how much GAP VOLTAGE is set and state the reason.

3 Answers   ADMA OPCO,

---

For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

0 Answers  

---

Why plc require in analog input 4-20amp & 0-10 volt?

0 Answers  

---

Why the Air Tank Accumulators required for the single acting actuators SDV's or BDV's as I see in some Schematic diagrams of ROTORK ??

2 Answers   L&T, Siemens,

---

How signals can be taken through modbus?

1 Answers  

---

Why not come out analog output in ABB EL3020 when display show correct value

0 Answers  

---

if i change range of flow transmitter in th field then does it need to change range in dcs?

3 Answers  

---