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Differential Pressure

Venturi Flow Meters

Venturi Flow Meters

Flow meter


Preso Venturi flow meters are differential pressure flow devices providing highly accurate and repeatable measurements of liquids, gases, and steam. The Venturi flow meter restricts the flow at its throat, increasing the velocity of the fluid, and measures the pressure difference of the unrestricted flow and restricted flow. The meter’s throat can be designed to meet the flow measurement application optimizing the meter’s accuracy and permanent pressure loss.


Well suited for measuring Liquids, steam, air and industrial gases.

  • Cost effective
  • Little or no straight run piping requirements
  • No additional flow conditioning devices needed
  • Low maintenance and long life
  • Precise accuracy and repeatability
  • No moving parts

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