Why we used cage in control valve?

8 Answers  

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What are Sinking and Sourcing IO Cards

2 Answers  

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Why we not use 2-20Ma or 1-20Ma

5 Answers  

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whyvibration probe (bently nevada ) is set -10 volt for zero reference?

2 Answers  

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What is actuator what is motorized control valve?

5 Answers   Emco,

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what is shutoff dp? why is it important for selection of a control valve?

1 Answers  

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How to measure Flow of air line,what is the procedure of creating DP in line to measure Flow!

3 Answers  

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while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

0 Answers   Gasco,

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why we are using boosters at glass furnace is there any other thing?

1 Answers   CGL,

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What is the diffrence between ff tx and non ff tx

0 Answers   Jindal, Rosemount,

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Why is a dead weight tester so called by that name?

1 Answers   SGS,

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how to calibrate pressure gauge(we can not able to fixed by pointer screw adjustment and pointer re fixing method)

2 Answers   Nestle, Reliance,

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