Articles

Cavitation in Control Valves

How Should I Minimize or Maximize Cavitation in Control Valves?
Post Date: 05/05/2008
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Split-Ranging Multiple Valves

Readers Write In and Question Split-Range Concept
Post Date: 04/04/2008
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More on Digital Valve Technology

Online Resources on Digital Valve Technology
Post Date: 03/11/2008
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Does Valve Size Matter? Ethernet or Modbus?

“Ask the Experts,” on ControlGlobal.com, is moderated by noted process control authority, Béla Lipták. In this column, he and other experienced process control engineers welcome questions concerning process measurement, control and optimization. If you would like to be on our team of “experts”, send resume to ...
Post Date: 02/05/2008
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Greg’s Articles on Valve Dynamics

See McMillan's Resources on Valves
Post Date: 02/05/2008
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Do You Know Who Made Your Valves?

Counterfeiting is a slippery business. Here’s how to minimize the risk and danger of fake process controls.
Post Date: 11/06/2007
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Free Download of Reference Book on Fluid Flow Basics of Throttling Valves

ControlGlobal.com has partnered with Cashco to make the Fluid Flow Basics of Throttling Valves technical reference book available for free download.
Post Date: 09/17/2007
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Free Download of Reference Book on Basic Operation and Function of Control Valves

ControlGlobal.com has partnered with Cashco to make the Basic Operation and Function of Control Valves technical reference book available for free download.
Post Date: 09/17/2007
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Creative thinking streamlines cut-over at Frontier refinery

Here at the annual gathering of the Honeywell User Group Americas, Leland Borgett, Jeff Strecker and Tom Clark explain how their five-person team successfully performed their covert DCS to DCS cut-over.
Post Date: 06/12/2007
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Regulating inlet fluid temperature

In this installment of Ask the Experts, Béla Lipták and his cadre of leading experts in process automation, share tips on regulating inlet fluid temperature and controlling the stroking time of a control valve.
Post Date: 06/07/2007
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Control valves for slurry service

In this installment of Ask The Experts, noted process control authority and CONTROL Columnist Béla Lipták and his cadre of automation experts answer a reader’s question regarding control valves for slurry services.
Post Date: 04/09/2007
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Final control

What’s the latest on control valves? Editor in Chief Walt Boyes takes a look at the current marketplace for the final element that all control stuff is aimed at—the control valve that produces the end result.
Post Date: 03/07/2007
Author: Walt Boyes

Something’s fishy at the water treatment plant

The new Georgia Aquarium in Atlanta reuses millions of gallons of water and requires constant monitoring of its complex, closed-loop filtration system, ultimately leaving only small amounts of sludge.
Post Date: 02/01/2007
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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!
Post Date: 11/01/2006
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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.
Post Date: 11/01/2006
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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!
Post Date: 09/12/2006
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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!
Post Date: 07/14/2006
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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.
Post Date: 06/07/2006
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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.
Post Date: 03/20/2006
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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.
Post Date: 03/14/2006
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