The Leader in Flow Measurement Solutions
Primary Flow Signal offers world-class differential pressure flow elements that ensure the highest quality, accuracy and reliability for liquid, gas, and steam applications.
Why PFS?
Best-in-Class Contract Manufacturing
Our Product Lines
Primary Flow Signal's patented metering products offer high accuracy, repeatability, and flexibility to meet every customer's unique needs.
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Venturi Flow Meter
Wedgetype Flow Meters
Orifice Flow Meters
PTC 6 / Nozzle Flow Meters
Flow Accessories
Specialty Flow Meters
Our Markets & Applications
Primary Flow Signal provides the world's best flow meters for a variety of demanding industries and applications.
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Municipal Water & Wastewater
Oil & Gas
Power Generation
Industrial
Automotive
Company Overview
Primary Flow Signal has been producing and engineering flow meters for over 30 years, with headquarters and manufacturing in the United States and Canada. With a reputation for reliability, accuracy and customized manufacturing, Primary Flow Signal has emerged as the preeminent industry player in North America.
The PFS DifferenceRehabilitation and Retro-Fit Solutions
We're proud to offer our unparalleled expertise in differential metering to help customers perform the maintenance and rehabilitation necessary to maximize the long-lasting performance of their flow meters. With a single meter rehabilitation and inexpensive upkeep of peripheral instrumentation, our engineers can help flow meters maintain their fullest potential throughout their entire lifespan.
Featured News & Resources
The Benefits of a Venturi Meter
With the introduction of new measurement technologies and the myriad of performance claims from sale literature, it’s easy to lose sight of the important elements […]The Factors that Impact Venturi Meter Accuracy
One of the main advantages of using a Venturi meter is the long, useful life expectancy of the meter body where other types of flow […]Down and Dirty: Tips for Accurate Metering of Digester Gases in Municipal Wastewater Facilities
In the municipal wastewater treatment process, the goal is to remove all biological and chemical contaminants. Municipal facilities utilize several processes, including chemical addition, coagulation, […]
