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  • A Dynamic Duo

    Digital valve controllers linked to asset management systems offer a double-barreled approach to valve maintenance.

  • The Invisible Threat

    Many users don’t trust an industrial wireless network solution. Some concerns are real. Most are ethereal. It’s important to know the differences.

  • Portable conveyor speeds paint production

    Unit ensures a consistent flow of soft acrylic powder without lumps or sticking, improving the production of thermoplastic paint.

    Michel Podevyn, Spiroflow Systems, Inc.
  • Control valve diagnostics

    Health monitoring leaves fewer reasons to live with stiction, wrong-sizing and excessive wear.

    Sheila Kennedy
  • Improve control loop performance

    Specification of control valves doesn’t adequately emphasize the very basic requirement that valve position respond in a timely manner or even at all — leading to process variability.

    Gregory K. McMillan, Emerson Process Management
  • Signet 8900 multi-parameter controller features modular design

    The Signet 8900 Multi-Parameter Controller takes the concept of modularity to the extreme. Each 8900 is field commissioned with the users specified combination of inputs, outputs, and relays using simple-to-install modular boards into the base unit.

  • Become a cyber-security pacesetter

    Today, most plants with control systems must contend with many pressures both to allow access to data and to secure those data.

    Rick Kaun, Matrikon, Inc.
  • Monthly Preview: December 2007

    Here's a look at what will soon be featured on Be sure to check back for the latest articles, news and columns before you see it in print.

  • Plug cyber-security gaps

    With the new “high risk chemical facilities” federal anti-terrorism regulations, it’s time for the chemical industry to ratchet up its cyber-security efforts. There’s a surge in interest in cyber-subjects such as security certification, defense-in-depth strategies, risk-based planning and improved policies and procedures.

    Seán Ottewell, contributing editor
  • Distillation, Part 5: Multiple Products

    In Part 5 of this series on distillation control and optimization, we find that adding a side-stream component to your process gives an additional degree of freedom, but makes it even more essential to not mismatch the variables.

  • SP100 Committee Listens to WirelessHART

    The ISA SP100 standards committee was presented with WirelessHART specificationas that were voted on by the HART Communications Foundation’s membership in June 2007.

  • Two bulk conveyors prove better than one

    Engineers at EaglePicher Corp. in Quapak, Okla., faced some unique problems in manufacturing high-purity isotopic chemicals and wound up addressing them via a unique solution.

    David Boger, Flexicon Corp.
  • DHS aims to lock down security rules

    Expect a final ruling this summer on chemicals covered and some other key issues, warns Lynn Bergeson, regulatory editor.

    Lynn Bergeson, regulatory editor
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