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Vortex Flow Meter V.S Turbine Flow Meter

Aug 11 , 2023

There are various types of instrument used for industrial flow measurement. Different equipment is selected because of the different occasions and environments. Today we are introducing two flow meters, vortex flow meter and turbine flow meter.

Both vortex flow meter and turbine flow meter are speed-type instruments.

The vortex flow meter is designed and manufactured according to the principle of Karman vortex. The principle of fluid oscillation is used to measure the flow. When the fluid passes through the vortex flow transmitter in the pipeline, two rows of vortices proportional to the flow rate are alternately generated up and down behind the vortex generator of the triangular column. The average velocity of the fluid is related to the characteristics of the vortex generator. They are common in flow measurement of fluids in industrial pipelines, such as gas, liquid, steam and other media. It is characterized by small pressure loss, large measuring range, high precision, and is almost not affected by parameters such as fluid density, pressure, temperature, viscosity. No moving mechanical parts, so it has high reliability and low maintenance.

Turbine flow meter is device that uses a multi-blade rotor (turbine) to sense the average flow rate of the fluid and derive the flow or total amount from it. It is widely used in petroleum, organic/inorganic liquids, liquefied gas, natural gas, coal gas and cryogenic fluids and others. It has the advantages of simple structure, light weight, less maintenance, large flow capacity (large flow through the same caliber) and high parameters (high temperature, high pressure and low temperature).

Vortex Flow Meter V.S Turbine Flow Meter

In some occasions, both vortex flow meters and turbine flow meters can be used. While vortex flow meters cannot be used normally when the vibration is too large, and the medium viscosity is too high. When the viscosity is high and accuracy is used for long-term operation, it is not suitable to use the turbine flow meter, since mechanical parts of the turbine flow meter are easy to wear, which may affect the accuracy, thus regular inspection is required, so it is not suitable for cases that the device cannot be shut down.


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