Flow Management Devices

Improving Liquid and Gas Measurement Technology

Welcome to FlowMD

Our Mission is Simple: “The Pursuit of Improving Liquid and Gas Measurement Technology.”

Flow MD was founded on the simple concept that we can do it better. On day one, our engineering and operations team focused on creating the Next Generation of Unidirectional Captive Displacement Provers.

Our Provers incorporate state-of-the-art design technologies to provide our customers a superior designed, safe and easy to operate prover. With an innovative and patented drive end, we have raised the bar in Prover design.

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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News & Events


FMD will be exhibiting at ISHM May 10 – 12 in Oklahoma City, Oklahoma.


Coming Soon: New FMD045 Captive Displacement Prover – Stay tuned for additional Info.


FMD welcomes New Vice President of Marketing.

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