
FMD Small Volume Meter Provers: Verifying Flow Meter Accuracy
Flow Management Devices (Flow MD or FMD) is the leading manufacturer of Small Volume Meter Provers for the oil and gas industry worldwide. Our patented meter prover design ensures accurate and repeatable verification of custody transfer flowmeters under rugged field conditions. With our expertise in both simple and complex proving applications, we deliver reliable solutions that meet your diverse measurement needs.
The FMD Difference
SERVICE | EXPERIENCE | INNOVATION | EXCELLENCE
Quality Certifications
Quality is our Cornerstone!
Every member of the FMD team exemplifies our commitment to quality and continuous improvement. We believe that technological leadership, legendary customer service, and a team-oriented approach to continuous improvement are essential to our success. Since our founding in 2007, we remain committed to “Continuously Improving Liquid Measurement Technology.”
Our Resume
FMD’s Experience Speaks for Itself!
Explore our wide range of small volume prover applications and successful deliveries to numerous satisfied customers worldwide. Our extensive experience showcases our dedication to service, innovation, and excellence in every meter prover project and application we handle.
Provers Sold by Application
Our Resume
FMD’s Experience Speaks for Itself!
Explore our wide range of small volume prover applications and successful deliveries to numerous satisfied customers worldwide. Our extensive experience showcases our dedication to service, innovation, and excellence in every meter prover project and application we handle.
Provers Sold by Application
What’s New at FMD
What’s New at FMD
Stay up to date on what’s going on at Flow MD.


























