what is diff between the centrifugal and reciprocating

2 Answers  

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why we use 0.2 to 1.0 kg/cm2 output in control valve

4 Answers   GNFC,

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What is difference between profibus and modbus communication

2 Answers   GMR,

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How u measure the massflow in orifice flow measurement techniques

0 Answers   Johnson Matthey,

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what is the difference between scaler and vector drive

0 Answers   Jindal,

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how to define range of dp level xmeter in open tank

1 Answers  

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To find closed tank level by DP transmitter , how to findout its range.and insomeplace they using range like - 1500 to +1500 mmwc why not 0 to 3000 mmwc. how they spilit they range for minus and plus.and why?

1 Answers   Kuwait Oil Company,

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why do we use 4-20mA as o/p and why don't use 0-20mA or 5- 21mA?

3 Answers  

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Calibration procedure for Electro magnetic Flow meter

0 Answers   Reliance,

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what is exact time to study dcs and plc cources

0 Answers  

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how to measure the output of RTD given the general formula of  rtd.  

2 Answers  

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

4 Answers  

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