Explain about the leakage class of the control valves

0 Answers   CCIE,

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pressure switch range 0 to 2bar.i have to install from ground level to 5 meters height.what is the formula the to increse the range ? and every 1 meter how much pressure should be add ?

3 Answers  

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what is orifice plate? Give me best answer?....plz

5 Answers  

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is manifold required for an integral orifice meter?

2 Answers  

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what is the working principle of dis-placer type level transmitter

1 Answers   Sendan,

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how to calibrate the interface leveltrol

1 Answers   Lanco,

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what is the meaning of HART ?

2 Answers  

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How to convert Differential pressure to flow in TPH

0 Answers   Chettinad, ELCO,

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What materials are used in thermo wells?

0 Answers  

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which gas or which liquid is filled in capillary of dial type temperature indicators on power transformers

2 Answers  

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Why we are using 4-20 mA as Analog signal transmission other than 3 to 19 or 2 to 18 or 6 to 22 like wise ? What is the reason behind using 4 & 20 mA? Can anyone give proper technical reply ?

5 Answers   Air Liquide,

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what are the difference between conventional and smart transmitter.

1 Answers  

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