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Inst Tools > Blog > Control Valves > Solenoid Valves Practical Problems

Solenoid Valves Practical Problems

Last updated: April 26, 2019 10:40 pm
Editorial Staff
Control Valves Practical Questions Solenoid Valve
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Suppose this valve control system has a problem. The control valve (LV-104) does not move to the full-open position as it should when the solenoid is de-energized, although it will move when the 4-20 mA current signal to the I/P transducer is varied while the solenoid is energized:

Contents
Solenoid Valves ProblemsAnswer :

Solenoid Valves Problems

Solenoid valves Practical Problems

Identify the likelihood of each specified fault for this circuit.

Consider each fault one at a time (i.e. no coincidental faults), determining whether or not each fault could independently account for all measurements and symptoms in this circuit.

Solenoid Valves Problems

Answer :

The below tables shows the solutions, showing possible faults and Impossible faults.

Share Your comments on the below answers.

Solenoid Valves Problems and Solutions

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5 Comments
  • Supeno Adi says:
    July 9, 2018 at 7:06 am

    In two weeks ago when I came into “instrumentation tool” usually has facility “save”, but right now its facility don’t appear.

    If this is available, it is very help me and another guy to save in format “pdf” in external memory for further read in laptop.

    Is it possible your side ( instrumentation tool ) to active again the facility ” save”

    Regards,
    Supeno Adi

    Reply
    • S Bharadwaj Reddy says:
      July 9, 2018 at 10:09 am

      From Today on wards, you can directly save the content from the website. Restrictions removed, users have the access to copy/download the articles for their personal use.

      Reply
      • AMAL MONDKAR says:
        July 9, 2018 at 12:24 pm

        This is a great decision! Thank you.
        Your articles are good enough to be archived and reread when required. Not every time its possible to go online. Keep going!

        Reply
      • azetou says:
        July 9, 2018 at 7:52 pm

        Thanks a lot, keep up the good work.
        Share knowledge to improve (y).

        Reply
  • Mani says:
    July 9, 2018 at 2:17 pm

    Its highly useful, waiting for long time. Thanks bro.

    Reply

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