Stuart W. Johnson & Co., Inc. Blog

New Alfa Laval Twin Screw Pump: Top Features and Functions

Envision yourself cruising down the highway in a brand-new sports car on a moonlit summer night. Next, picture yourself behind the wheel of a powerful snow plow on a blustery winter day. Both of these vehicles are excellent when...
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3-A? What’s that?

3-A Sanitary Standards, Inc. (3-A SSI) is a not-for-profit organization that is dedicated to educating the food, beverage and pharmaceutical industries and ensuring public health through hygienic equipment design.  This is accomplished by developing industry standards and by...
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What Is The Difference Between Industrial Pipe and Sanitary Tube?


Pipe is measured in Nominal Pipe Size (NPS).  This is a standard set up based upon different “schedules”.  The term schedule refers to the wall thickness of the pipe; therefore, a higher schedule number...
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