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BWXT $   $  
As of . Minimum 20 minute delay.

Multiphase Flow and Separation Testing & Analysis


BWX Technologies, Inc. (BWXT) offers high-temperature, high-pressure test facilities for third-party validation of single-phase and multiphase flow equipment and instrumentation. We are able to provide accurate and dependable services to our customers thanks to our unparalleled prototyping capabilities and flow-loop availability.

For more than 60 years, BWXT has been helping customers by supporting the development of mission-critical components for a wide range of applications. Our experienced staff offers rapid turnarounds on proposals for testing and qualifying equipment. 


  • Multiphase flow meters
  • Wet gas flow meters
  • Gas volume fraction meters
  • Water cut meters
  • Multiphase pumps
  • Separators – two-phase and three-phase
  • Separation equipment
  • Sampling systems
  • Water level detection
  • Water level control
  • Heat exchangers, boilers and condensers


BWXT offers dynamic flow visualization for experimental testing through the use of an air/water acrylic flow loop. This loop allows for direct visual access to the test section and facilitates the use of tracers to observe flow characteristics. A 48-inch diameter by 90-inch high test vessel is available for use with the loop.

We also offer computational fluid dynamics (CFD) services, which can be used to supplement flow testing or for standalone design and prototyping. Our extensive experience includes single-phase and multiphase flow analysies.

Operating variables and test measurements are sampled by the facility’s data acquisition system, and can be configured to provide raw and reduced data live during testing for the optimization of the test matrix. We have the capability to fabricate and instrument complex arrangements on-site. Flow loops are also configurable to accommodate large equipment and long piping runs in an adjacent outdoor testing area.

Our facility can accommodate a variety of testing configurations:

  • Water flow up to 8,000 gpm
  • Steam flow up to 500,000 lb/hr
  • Pressure up to 1,000 psi
  • Temperatures up to 540 °F
  • Vertical, horizontal or inclined test-section orientation
  • Air, nitrogen and steam
  • Water and refined oil
  • 2 to 16-inch diameter connections

Note that customized flow loops and test sections can be configured to accommodate wider operating ranges.

Flow Test Facility
91 Stirling Ave.
Barberton, OH 44203
Phone: 330.861.5500
Email: flowtesting@bwxt.com