Vortex Flow Meter

The Vortex flow meters is a market-leading process measurement device built for steam and gas applications. For saturated steam, superheated steam, and compensated gas flow measurement, multivariable vortex type flow meters with built-in temperature and pressure compensation are the best option. The flow meter is a great option for measuring water or condensate because of its ability to monitor low viscosity liquids and volumetric flow rate.

VFM60 Series Product Introduction

Comate’s line of vortex flowmeters, the VFM60 series, features cutting-edge technology for both measurement and maintenance.The VFM60 digital vortex meter offers system-wide diagnostics and maintenance based on system updates. The straightforward but distinctive structure also provides robustness and stable measurement.
VFM60 series offers several product standards to satisfy a range of requirements in air, gas and steam systems.

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Vortex Flow Meters|VFM60MV Vortex steam flow meter
Main application flow measurement of liquid, gas, air and steam
Compensation temperature, and pressure compensate
Applicable fluid temperature range -40 to 350 °C
Turndown ratio 1:35 for steam
1:30 for air, gas
1:22 for liquid
Diameter 15 to 400mm for wafer or flanged
Accuracy 1.0% of reading for gas, steam
0.75% of reading for liquid
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Vortex Flow Meters|VFM60MV Vortex gas flow meter
Main application flow measurement of liquid, gas, air
Compensation temperature, and pressure compensate
Applicable fluid temperature range -40 to 150 °C
Turndown ratio 1:30 for air, gas
1:22 for liquid
Diameter 15 to 400mm for wafer or flanged
Accuracy 1.0% of reading for gas
0.75% of reading for liquid
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VFM60N Standard Type Digital Vortex Flowmeter
Main application flow measurement of liquid, and steam
Compensation temperature, and pressure compensate
Applicable fluid temperature range -40 to 350 °C
Turndown ratio 1:35 for steam
1:22 for liquid
Diameter 15 to 400mm for wafer or flanged
Accuracy 1.0% of reading for steam
0.75% of reading for liquid
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VFM45 Steam Flow Meters|Vortex Mass Flow Meters

The Vortex Shedding flow meter uses the VFM45 transmitter technology, which provides with the excellent signal processing capability and enhances the vortex flow meter technology to a new level, which means it has lower measuring limit, better stability and accuracy. The special signal processing method has also ensured better anti-vibration by eliminating the vibration signals

Vortex flow meters|VFM62 Insertion vortex flow meter

VFM62 Insertion Vortex Flow Meter are measurement solution for large pipe line or duct from DN200~DN1000. The flow meter also utilizes the advanced dual sensor and special transmitter technology to provide low flow limit and best anti-vibration performance.

How a vortex flow meter working?

Vortex Flow meter Measurement Theory

Vortex flow metre works on the vortex shedding theory, which states that when a fluid, such as water, flows through a bluff body, oscillating vortexes form, it will creates vortices shed alternately downstream of the object. The frequency at which vortexes are shed is directly proportional to the velocity of the fluid flowing through the bluff body, and frequency of these vortexes is converted into a digital signal by the meter’s electronics to calculate the flow of a fluid.

What doesn vortex flow meter measured?

Vortex flow meters has been hundreds history and utilize the high sensitive elements, unique process signal process technology which by obtain natural natural frequency of fluids, allows for high levels of sensitivity and high performance at low flow measurement. Vortex flow meters are a suitable technology for measuring steam, air and as a variety of liquids and gases. Vortex flowmeter offers many benefit in flow measurement applications, including simple installation and a wide turndown range. High Sensitivity. Built with the smallest strut in the industry, which allows for high levels of sensitivity and low pressure drop. Excellent Performance. Combines an internal RTD and pressure sensor to compensate for changes in pressure and temperature to achieve a accurate measurement results. Durable Structure. No moving parts, low pressure drop, reducing chance for malfunctions and improves performance in a range of industrial applications.

How to sizing a vortex meter?

vortex flow meter sizing

Vortex flow meters are a direct type of volume flow-measuring device. Few points considering to sizing a vortex flow meter Turndown ration. ( the ratio of maximum flow rate to minimum flow rate). Most vortex meters between 1:10 or 1:15. Vortex flow meter turndown ratio also depends on the viscosity of the fluid measured. Measuring the flow of a high viscosity will have a lower turndown ratio. Low flow measurement also a important factor when sizing the vortex meter. Compensation method. The purpose of a vortex type flow meters with temperature and pressure compensation is for when the volume deviates the actual flow, density compensation will correct the result well, especially for air, gas and steam application. Measuring velocity. The steam velocity recomended as acceptable for steam distribution systems:

Installation of vortex flow meter

Designed specifically for simple vortex flow meter installation, low maintenance, and high reliability in gas, liquid, and steam flows. Comate manufactures high-performance digital vortex flow meters for steam, and all kinds of air, gas, liquid flow measuring processes. Comate have been engaged in the manufacturing & development and application of vortex type flow meters over 14 years. We not only focus on the physical properties of the meters, but we combine our vortex flow meters with the processing character of each specific working condition. The Comate R&D team is able to anticipate and fulfill the requirements of the user’s individual processing task. Provide it to you to use our expertise to get the best vortex flow meter working principle.