HVT Operation in a Vacuum
PART ONE: The HVT Primary Element/Venturi Meter The PFS-HVT (modified short form Venturi meter) is an ideal primary element when you are working with a […]
News & Resources
Exotic Materials for Differential Flow Meters: Choosing the Right Alloy for Extreme Environments
Differential pressure flow meters such as orifice plates and venturi tubes are proven technologies across industrial and municipal applications. In harsh environments, however, standard stainless […]
Engineered for the Harshest Environments: The Power of Copper-Nickel with PFS
At Primary Flow Signal, we specialize in precision-engineered flow measurement devices and custom-machined components built to thrive where others fail. From carbon steel and stainless […]
Visit PFS at the GAWP Expo in July
This July PFS will be at the Georgia Association of Water Professionals (SAWP) Annual Conference and Expo in Savannah, GA. 2025 GAWP Annual Conference & […]
PFS is Exhibiting at the 2025 EPC Expo – Booth H7
Primary Flow Signal is proud to be exhibiting at this year’s EPC Expo, taking place June 11–12, 2025. You’ll find us at Booth H7, right […]
PFS at POWERGEN 2025
This February PFS joined the exhibition at POWERGEN International in Dallas, Texas, sharing our industry expertise. Thanks to all who joined us to learn about […]
dP Flow Meter Troubleshooting Guide
When dealing with differential pressure (DP) flow meters, troubleshooting can be essential to maintaining accurate and reliable measurements in various industries. DP flow meters are […]
The Benefits of a Mini Venturi in Cryogenics
Learn more about the beneficial uses of a Mini Venturi meter in cryogenic applications as a result of research from the National High Magnetic Field Laboratory.
Rehabilitated Differential Pressure Meters: Expected Accuracy After Rehabilitation
During the past 15 years, PFS has provided field and factory meter rehabilitation services for a wide range of differential primary elements including Venturi meters, […]
Securing NIST Calibration Traceability for Venturi Meters
This article describes the process that Primary Flow Signal, Inc. uses in order to secure NIST traceability on a venturi meter that is not laboratory […]