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 Here's Big Update #1 For February: 

A Complete New Line of Backflow Testing Equipment and a New Website to go with it.



Who is Differential Pressure Plus?

 D.P.P. has been designing and manufacturing differential pressure gauges  since 1991. We are located on the Long Island Sound in the town of  Branford, CT and have customers located in every part of the globe.

 Our specialty is customization and rapid prototying for the most unique  applications of differential pressure. However, we also maintain the ability to handle large quantity orders and even stock gauges for time sensitive applications.

 Our differential pressure gauges are used around the world for filtration,  liquid level, flow, and many other needs that involve liquids and gases. 

  Select a Gauge by Application
Learn about tips and ideas for how our differential pressure 
gauges can be used.

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Options and Accesories
We offer 10,000,000+ gauge combinations of features
to meet any projects requirments

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Helpful Videos
We put up new videos regualry about product updates,
 tutorials, and other helpful lessons.
Click Here

Check Our 2015 Catalog Here

Check out our new catalog here

Our 2016 Comes out Soon