Flow Management Devices

"Continuously Improving Liquid Measurement Technology"


4th Generation Proving Technology Now Available

Flow MD, the world class leader in Small Volume Prover Technology, raises the bar in prover design with the 4th Generation Unidirectional Captive Displacement Prover

• Decreased overall weight and redesigned piston and poppet assembly allows for minimal flow disturbance

• Increased run-up time provides better accuracy for proving manufactured pulse meters

• All stainless steel drive system

• 4th Gen PIM with upgraded features

Flow MD continues to set the standard in small volume prover design with seven existing patents and two
additional pending.

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Welcome to FlowMD

Our Mission is Simple: “Continuously Improve Liquid Measurement Technology.”

Learn More About the FMD Group


Flow MD’s Uni-Directional Captive Displacement Provers are ideal for:

  • Portable or stationary mounts
  • Truck, Train or Offshore load racks
  • Test or calibration labs
  • Pipelines
  • Refineries
  • Cryogenic applications
  • Chemical processing

As a company we believe our customers are vital to our continued success and we strive for Customer Service excellence by continually and relentlessly improving all aspects of our business.

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FMD Attends ISHM 2022

Flow Management Devices participated in the International School of Hydrocarbon Measurement, May 10-12 in Oklahoma City, Oklahoma.

FMD instructed the ...

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