How to Prevent Cavitation in Butterfly Control Valves

How to Prevent Cavitation in Butterfly Control Valves

This post was authored by Hans D. Baumann, Ph.D., PE, author of Fluid Mechanics of Control Valves: How Valves Control Your Process and a world-renowned expert on control valve technology. To download a free, 42-page excerpt from the book, click this link. Cavitation...
Book Excerpt + Author Q&A: Fluid Mechanics of Control Valves

Book Excerpt + Author Q&A: Fluid Mechanics of Control Valves

This ISA author Q&A was edited by Joel Don, ISA’s community manager. ISA recently published Fluid Mechanics of Control Valves: How Valves Control Your Process by Hans D. Baumann, Ph.D., PE — a world-renowned expert on control valve technology who is credited with...
AutoQuiz: What Is the Purpose of a Valve Positioner?

AutoQuiz: What Is the Purpose of a Valve Positioner?

AutoQuiz is edited by Joel Don, ISA's social media community manager. This automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and...
How to Manage Pipeline Valve Positioner and PID Tuning

How to Manage Pipeline Valve Positioner and PID Tuning

The following technical discussion is part of an occasional series showcasing the ISA Mentor Program, authored by Greg McMillan, industry consultant, author of numerous process control books, 2010 ISA Life Achievement Award recipient and retired Senior Fellow from...
Webinar Recording: How to Get the Most out of Control Valves

Webinar Recording: How to Get the Most out of Control Valves

This educational ISA webinar on control valves was presented by Greg McMillan in conjunction with the ISA Mentor Program. Greg is an industry consultant, author of numerous process control books, 2010 ISA Life Achievement Award recipient and retired Senior Fellow from...
Innovations in Butterfly Control Valve Technology

Innovations in Butterfly Control Valve Technology

This post was authored by Hans D. Baumann, Ph.D., PE, author of Fluid Mechanics of Control Valves: How Valves Control Your Process and a world-renowned expert on control valve technology. To download a free, 42-page excerpt from the book, click this link. After the...
Butterfly and Ball Valves with Positioners Are Not Control Valves

Butterfly and Ball Valves with Positioners Are Not Control Valves

The following tip is from the ISA book by Greg McMillan and Hunter Vegas titled 101 Tips for a Successful Automation Career, inspired by the ISA Mentor Program. This is Tip #10, and was written by Greg. One of the more heated arguments I had with a client involved his...
Benefits of Using Sliding Stem Valves for Tighter Process Control

Benefits of Using Sliding Stem Valves for Tighter Process Control

The following tip is from the ISA book by Greg McMillan and Hunter Vegas titled 101 Tips for a Successful Automation Career, inspired by the ISA Mentor Program. This is Tip #80, and was written by Greg. For pH control, where the requirements for precision are...
The Importance of Using Tuned Positioners on All Control Valves

The Importance of Using Tuned Positioners on All Control Valves

The following tip is from the ISA book by Greg McMillan and Hunter Vegas titled 101 Tips for a Successful Automation Career, inspired by the ISA Mentor Program. This is Tip #82, and was written by Greg. I was encouraged to omit positioners in one of my first projects...
Are Users Reaping the Benefits of Partial Stroke Valve Testing?

Are Users Reaping the Benefits of Partial Stroke Valve Testing?

This guest post was authored by Paul Gruhn, a global functional safety consultant at aeSolutions in Houston, Tex. Achieving Safety Integrity Level (SIL) 2 with non-redundant field devices is possible, but not always easy. The key is diagnostics. There are a variety of...
How to Select the Best Control Valve Location

How to Select the Best Control Valve Location

The following tip is from the ISA book by Greg McMillan and Hunter Vegas titled 101 Tips for a Successful Automation Career, inspired by the ISA Mentor Program. This is Tip #68, and was written by Greg. When I am in an instrument and valve repair shop, I see many more...
Why You Should Not Use On-Off Valves as Control Valves

Why You Should Not Use On-Off Valves as Control Valves

The following tip is from the ISA book by Greg McMillan and Hunter Vegas titled 101 Tips for a Successful Automation Career, inspired by the ISA Mentor Program. This is Tip #83, and was written by Greg. Prior to the 1970s, you were not in much danger of getting a...

Pin It on Pinterest