Answer / aftab ahmed mazari

Control Valve size means, size of control valve body.
In a simple way, you may understand the size of control valve connections like 4" X 3". This 4" is inlet and 3" is outlet of control valve.
aftabmazari@yahoo.com

Answer / faiyaz

Control valve size means its called a class 150 class 300 class 600 class 900 class 1500
means flow of fluids like water will flow class 150 liquid will flow class 300 and gas will flow class 600 its types of flow of fluids this is the meaning of size of valve

Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com

0 Answers   IOCL,

---

which types of oxygen analyzer describe with drawing ?

2 Answers  

---

How to calculate flow of air bubbler type level transmiter  According hight and density 

2 Answers   Qatar Petroleums, RKS,

---

can anyone can let me know in Eurotron Micro cal 2+ calibrator in milli amps source mode we are not able to get 20 milli amps output it only produces 1.52 milli amps out, but display shows increase in milli amps , and err6 displays, let me know how to remove the err 6.

0 Answers  

---

i want to know for good instrument engineer or success how many software knowledage required & from which university

0 Answers  

---

---

How many are the types of instrument cables in terms of No. of pair.

0 Answers   CCIE, Samsung,

---

what is commissioning.

2 Answers   Takreer,

---

what is the difference between the microcontroller and PLC?

9 Answers   HAL, Havells,

---

Hi..i am B.E. (elect.&comm.)..i m workini in a bio mass power plant as inst. Engg. I want 2 know about growth in big power plant sector..is this field is good 4 me ..i m electronics engg..? Plz plz reply..

2 Answers   Reliance,

---

what is purpose of three way manifold valve using for dp transmitter

1 Answers  

---

how to trim the pressure transmitter ?

2 Answers  

---

What is the difference between modbus,fieldbus & profibus

0 Answers   NSL,

---