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

April 2016

So Many Pumps, So Many Applications... Pumps and Applications

Pumps can be as simple as a waterwheel, and as complex as a multistage deep well turbine pump with 15 bowls. Applying pumps to processes is important, and doing it correctly can eliminate some extremely serious problems in the system. For example, selecting a high volume pump based on future expansion may produce problems when the pump is throttled down to current needs, and it may also waste power, which is costly. Using a centrifugal pump for chemical transfer, instead of a metering pump, may not be accurate enough to deliver the same volume or mass in a custody transfer application. click for more...

Quiz Corner: Variable Speed Drives

The news that a motor operated by a variable speed drive that I specified for a new agitator was overloading and shutting down was a prelude to such a very interesting situation. Sometimes you have to do more than your part of the project to keep yourself out of trouble and the company afloat. click for more...

Quiz Corner: High Turndown Sewage Flowmeter Application

In 1990, part of my birthday "present" was the privilege of inspecting flowmeters used to bill for sewage flowing from one authority into the sewer system of a second authority. A sewage treatment plant treated sewage from the first authority, sewage from the second authority, and storm water from the second authority. 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.