Activity

  • 2011 Emerson Exchange – Addressing Partial Stroke Testing Fears – Avoiding False Trips, Risk Through…

    Jim Cahill
    Exida’s Dr. William Goble and Emerson’s Afton Coleman presented Addressing Partial Stroke Testing Fears – Avoiding False Trips / Risk Through… Their abstract: It is not uncommon for some users to perform partial stroke testing (PST) using cumbersome mechanical...

  • 2011 Emerson Exchange – Wireless Relief Valve Monitoring is Now Possible

    Jim Cahill
    Wireless devices are finding their way into more and more applications. The abstract from this session is: Monitoring of relief valves is a challenge, detecting when they are “simmering”, or have lifted-off, or if after a lift-off did they re-seat fully...

  • Control Valve Best Practices

    Anonymous
    Anonymous
    For process control and instrumentation reliability, I have often discussed the strategies of product tiering, advanced diagnostics and best practices.   Control valves can also benefit from these strategies.  Previous posts have presented considerations...

  • Valve Positioner Reliability

    Anonymous
    Anonymous
    Process  Instrumentation is generally thought of as measurement device that receives a physical input and produces an electronic output.  Pressure, temperature, level and flow transmitters fall into this category.  However, there is instrumentation that...

  • Control Valve Reliability

    Anonymous
    Anonymous
      Control valves and pumps make up the “control element” category of the control loop.  A control loop can only be reliable if the instrument, controller and control element are reliable.  There is a considerable amount of information available on pump...

  • Downloadable Fisher Specification Manager Software

    Jim Cahill
    I’m knee deep in preparations for our Emerson Exchange event the end of October and hope to have a sneak peek of my project to share with you soon—hopefully late next week. Well at least that’s the excuse I’m using for lighter and shorter than normal...

  • How to mount a FIELDVUE DVC6200 Digital Valve Controller to a Fisher Rotary Valve

    Jim Cahill
    I found this nice "how to" video in the FisherControlValve YouTube channel . This video shows how to mount a DVC6200 digital valve controller to a Fisher rotary valve. www.youtube.com/watch If you or someone on your staff tries this, share how it went in a comment.

  • Identifying Pneumatic Energy Savings with the Energy Responsible Tool

    Jim Cahill
    If you use any of the social media forms of communications such as Facebook, Twitter, and LinkedIn, you know that it’s possible to get to know someone without actually meeting them face-to-face. You learn about their expertise and interests over time...

  • Entrained Gas Performance, Level and Interface Measurement, and Compressor Antisurge Valves

    Jim Cahill
    Recent YouTube video email notifications are letting me know that the Emerson Process Management divisions are using this visual medium to share unique capabilities in their products. I’ll highlight three examples from the Micro Motion Coriolis flow and...

  • Beware of the Process Creep

    Anonymous
    Anonymous
    Process creep is the term used to describe small changes within a process.  Over time, however, these changes, while individually minor, can lead to significant changes from the original design.  This can have a negative effect on your process equipment...

  • Using SIL Rated Equipment to Improve Reliability

    Anonymous
    Anonymous
    Safety Instrumented Systems (SIS) have been used for a long time in process plants.  As the name suggests these are the controls that operate critical (and expensive) pieces of equipment in a plant.  Any deviation in operation would lead to a catastrophic...

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