what is the difference between servo valve & proportional valve

1 Answers  

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transmitter in 3 connection +,-,And test mode so how Use To Test Mode

1 Answers   Essar,

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what is the process for double acting cylinder pneumatic for 32' v/v

0 Answers  

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please anyone suggest me some good intools training institutes with their place and contact nos.

1 Answers   ABB, Thermax,

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in current transmitter why we use 4-20ma ???

2 Answers   IMCO, IOCL,

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How much voltage we get between two wire of 4 to 20 ma output? Is this voltage up or down respectvice to 4 - 20 ma ?

9 Answers  

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what is the meaning of HART ?

2 Answers  

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I want to know about DDCMIS in detail ? please explain it. Also give name of reference books in which it is explained in detail in very simple manner.

0 Answers  

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What is pipe schedule? What are all effects its having in the valve? how do we take care of pipe sch in case if the customer dint specify in the data sheet. What we need assume and in what basis?

3 Answers  

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The wire is disconnected from the fuel gauge sending unit (bimetallic gauge). A voltmeter connected to the wire reads a pulsating 5v. What does this indicate?

3 Answers  

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what is mean by loop checking?

8 Answers  

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how many parts of valve positioner?

1 Answers   Kentz,

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