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Spitzer and Boyes, LLC Website

 

DAVID W. SPITZER'S E-ZINE

TECHNICAL AND MARKETING SERVICES
FOR INSTRUMENTATION SUPPLIERS AND END-USERS

This issue sponsored by Spitzer and Boyes, LLC

September 2015

Pump Station Control: Package and Custom Installations

Pumping stations can be purchased as a package system or designed as a custom installation. Some package systems can be provided with either on/off or variable speed drive control strategies. click for more...

Part VII: How Bubbles in a Control Valve Affect the Downstream Flowmeter

The problem: Liquid ammonia entering a unit with gas bubbles that caused an ultrasonic flowmeter to break its ultrasonic circuit, measure zero flow, and scram (shut down) the reactor. Installing a jacketed pipe to cool the stream reduced the number of scrams. Installing a larger cooler and/or insulating the 200 meters of upstream piping were not viable options. click for more...

Why Was a Control Valve Installed Upstream of a Flowmeter?

My initial gut reaction is that whoever designed the piping had little or no instrumentation background. Further, all of the instrumentation work performed in conjunction with the installation is suspect. click for more...

 

ABOUT SPITZER AND BOYES, LLC

In addition to over 35 years of experience as an instrument user, consultant, and expert witness, David W Spitzer has written over 10 books and 250 articles about flow measurement, level measurement, instrumentation, and process control. David (with Walt Boyes) is the author of seven Consumer Guides to various industrial flow and level technologies. David teaches his flow measurement seminars in both English and Portuguese.

Spitzer and Boyes, LLC publishes the Industrial Automation INSIDER that is an independent subscription newsletter for industrial automation and process control system users, installers and suppliers world-wide, giving a monthly update on the continuing evolution, development and convergence of automation technologies.

Spitzer and Boyes, LLC provides engineering, technical writing, training seminars, strategic marketing consulting, distribution consulting, and expert witness services worldwide, and can be contacted at +1.845.623.1830 or www.spitzerandboyes.com.

 

ISSN 1538-5280
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