Articles

on 'Valves'

81-100 of 109 < first | | | last >
  • Download the new control valve handbook here!

    The Control Valve Handbook, Fourth Edition, is now available online. This latest version presents information on control valve performance and new technologies, and includes input from experts in the field.

    11/01/2006
  • How to select control valves, Part 3

    When it comes to selecting and sizing control valves, gain and stability are key characteristics. The non-commercial valve selection chart in this article serves as a reference tool you can download!

    11/01/2006
  • How to select control valves, Part 2

    When it comes to selecting and sizing control valves and positioners, this article not only helps you pick the right one for the right job, but also includes a valuable valve selection chart you can download!

    09/12/2006
  • How to select control valves, Part 1

    When it comes to selecting and sizing control valves, the non-commercial chart in this article not only helps you pick the right one for the job, but also serves as a fantastic reference tool you can download!

    07/14/2006
  • The relay logic syndrome

    The coming together of nanotechnology, biology and medicine, information sciences, and cognitive sciences should give traditional automation and control devices new performance and capabilities.

    06/07/2006
  • The Bad Hall of Fame

    Control Talk columnists McMillan and Weiner induct some really bad instruments, final control elements, and systems into the Bad Hall of Fame, then proffer the Top 10 signs your life is like a Reality TV show.

    03/20/2006
  • Valve innovations aid nuclear slurry pretreatment

    Plug valves, stem extensions, and automation enable remote control and repairs in radioactive waste vessels at the Hanford Waste Treatment Project (WTP) in southeast Washington State.

    03/14/2006
  • Five rules for helping a middle-aged engineer

    Control Talk columnists McMillan and Weiner provide their unique brand of commentary on the handling of cascade loops, then offer up some humor with the Top 10 reasons you should migrate to a new DCS.

    01/16/2006
  • Are you grounded in reality?

    Control Talk columnists McMillan and Weiner get an insightful reply as to why a plant instrument engineer said the control schemes and instruments successfully used at other locations won't work in his plant.

    12/23/2005
  • Model-predictive control can solve valve problem

    CONTROL columnist Greg McMillan addresses the use of fine adjustment valves to reduce process variability and suggests that now is a fine time to break away from old valve problems and into model-predictive control.

    11/09/2005
  • Daytime talk is a hoot and a holler

    McMillan and Weiner imagine a transcript of a control engineer on a daytime talk show and offer up the Top 10 reasons why you won’t find a model-based control text book anywhere in today’s college classroom.

    11/06/2005
  • Split range control methods

    Process control authority Bela Liptak brings in specialists from his cadre of co-authors to answer a reader's question. Find out which books and online courses they recommend for continued education. Find out what the difference is in strength between a heating valve and cooling valve for split range control

    09/21/2005
  • Cleaning common fluid lines

    Process control authority Bela Liptak answers a reader's question regarding how to clean out common lines without a whole bunch of solvents and/or pigging systems.

    08/30/2005
  • The next generation of smarter valves – Part 2

    Much improvement and change is expected in the design of smart and self-diagnosing control valves, with potential advantages outweighing the required investment of time and money.

    07/10/2005
  • The next generation of smarter valves

    In the next decade, much improvement and change is expected in the design of smart and self-diagnosing control valves, with potential advantages outweighing the required investment of time and money.

    05/10/2005
  • The case for valves: Not just open and shut

    Actionable Items columnist Steve Kuehn notes that precision flow control is ensured with well-specified, precisely controlled valves, but for the sake of your process, a penny saved may not be a penny earned.

    03/15/2005
  • Bumpless pump sequencing

    Process control authority Bela Liptak brings in specialists from his cadre of co-authors to answer a reader's question regarding problems with the control scheme for two variable speed pumps.

    03/08/2005
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