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,

---

What is sensitivity in vibration probes..?

0 Answers   Lanco,

---

What is the difference in clamp on type and inline type ultrasonic flow transmitter.

1 Answers  

---

what is thermopile?

1 Answers   HNG,

---

How to calibrate DP tramitter in flow measurement application? consider my range of flow is 0 to 2000 kg/hr ? please give calculation of , How much pressure applied on low pressure side and high pressure side please give detail of calculation .... It so important for me please reply as soon as possible

1 Answers  

---

What are the materials use for COntrol Valve body?

1 Answers   KNPC, Qatar Petroleums,

---

i want know about capillary type LT transmitter installation. we can install any location in between to HP and LP leg?

2 Answers  

---

What is Cu-100 and Cu-1000 ? and tell me its application ?

2 Answers  

---

what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it.

0 Answers   Sabic, Saudi Aramco Shell Refinery Company SASREF,

---

what are procedure of sox-nox calibration

0 Answers   TATA,

---

Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.

0 Answers  

---

why 4-20 mA in covection system?

3 Answers  

---