Bidirectional Mass Flow Controllers


Alicat Scientific proudly introduces the world’s first bidirectional flow controller. Control flows into your process in one direction, and then switch directions. Or control flows into a closed process, and then vent the volume with no need for additional bleed valves.

The most versatile flow controller in the world

  • 50-100 ms control response for all configurations.
  • Measure mass flow and volumetric flow in both directions, plus absolute pressure and temperature.
  • Control mass or volumetric flow from a pressurized source or from vacuum.
  • Control absolute pressure in a flowing process or closed volume.
  • Numerous user-selectable engineering units.
  • Includes COMPOSER™ gas composition firmware.
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