Differential Pressure Plus Company - Differential Pressure Plus
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Differential Pressure Plus 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 prototyping 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.

Our Facility

We’ve been designing and manufacturing filter indicators and differential pressure gauges in Branford, CT, USA for over 25 years. Not only do we build gauges, we also assemble backflow testing equipment, offer calibration services, and much more. Our entire sales team is made up of engineers ready to take new projects and help your designers integrate our gauges. We also have full rapid prototyping equipment, such as 3D printers , and are happy to send samples during the early development phases.


DPP is made up of a blend of young inventors and engineers with years of experience. This powerful team continues to expand our innovations into new markets and customers around the world.

Joe Gordon

Joe Gordon


Joe is the original founder of DPP and has over 30 years of experience in the field. His extensive engineering and business experience leads our operations



Engineering and Sales

Despite being 25, he possesses multiple patents and has a triple degree in mechanical engineering, business, and fine arts.

img_4880 differential pressure gauge and filter indicator

Christin Boland

Accounting and Shipping

Christin has been with us since 2014 and is our chief accountant. Please contact her for any invoicing and shipping issues.

emily-yale differential pressure gauge and filter indicator

Emily Yale

Engineering Intern

Emily is currently a student at Fairfield University and has been interning in our engineering and sales department. Outside of DPP she is heavily involved with First Robotics.


Ryan Keckler


Ryan’s film production, internet marketing, and design skills have helped DPP create great new content and a fresh feel to our company.


Ricky Weiss

Website Development

From our brand new website, to all other social media outlets, Ricky manages all updates to our online presence.

Differential Pressure Plus designs and manufacturers differential pressure gauges and filter indicators. Our main industries are cyrogenic storage for liquid oxygenm nitrogen, and natural gas. Filtration of water, oil, and other gases and liquids. Leak detection systems for large tanks and pipelines. Flow rates on venturis and other flow type devices. We are located in the United States and have been manufacturing since 1991. We also make a like of 4-20mA transmitters and entire line of testing equipment. Our backflow test kits are used to test back flow preventers around the world