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...
How to Calibrate a Pressure Transmitter

How to Calibrate a Pressure Transmitter

This guest blog post was written by Keith Riley, Ehren Kiker, and Duane Muir, of Endress+Hauser. Pressure transmitters used in the process industries are very durable and reliable instruments. Even so, they still require periodic maintenance and calibration to ensure...
AutoQuiz: Characteristics of a Flowmeter

AutoQuiz: Characteristics of a Flowmeter

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...
AutoQuiz: How to Measure Fluid Velocity Through a Pipe

AutoQuiz: How to Measure Fluid Velocity Through a Pipe

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...
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...
How Do You Pick a Flowmeter?

How Do You Pick a Flowmeter?

This post was written by Walt Boyes, a principal at Spitzer and Boyes LLC, a technology consulting firm.   Picking a flowmeter takes both knowledge of the types of meters available and the kind of empirically derived knowledge that comes from experience. If you...
Do “Smart” Instruments Need to be Calibrated?

Do “Smart” Instruments Need to be Calibrated?

This post was authored by Roy Tomalino, professional services engineer at Beamex. Modern transmitters often are promoted as being smart and extremely accurate.  Sometimes you hear they don’t need to be calibrated because they are so “smart.” So why would you calibrate...

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