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Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

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Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010

For product support
Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010

Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010

For product support
Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010

Vortex Flow Meters

Vortex flow meters utilize the smallest strut in the industry, which allows for high levels of sensitivity and superior performance. Vortex flow meters are suitable for measuring steam, as well as a variety of liquids and gases.

Vortex Flow Meters

High Levels of Sensitivity. Superior Performance at Low Flow Rates.

Vortex flow meters offer many benefits in flow measurement applications, including simple installation and a wide turndown range. 

  • Advanced Sensitivity. Built with the smallest strut in the industry, which allows for high levels of sensitivity and low pressure drop.
  • Exceptional Performance. Features an internal RTD and an external pressure sensor (optional) to compensate for changes in pressure and temperature to achieve measurement accuracy.
  • Durable Construction. Has no moving parts that require maintenance or repair, decreasing chance for malfunctions and increasing performance within a range of applications.

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How It Works

  • Measuring Principle
  • How It Measures
Measuring Principle
Measuring Principle

Vortex meters use a principle called the von Kármán effect to measure liquids, gases and vapors. In fluid dynamics, a Kármán vortex street is a repeating pattern of swirling vortices, caused by a process known as vortex shedding. As water (or another liquid, gas or vapor) flows past an obstacle, fluid separates and forms alternating differential pressure known as vortices.

How It Measures
How It Measures

Vortex meters measure by placing an obstruction (called a shredder bar) in the flow path, which creates vortices of alternating differential pressure. These vortices cause a small sensor device to oscillate with a frequency directly proportional to the velocity of the moving fluid. The sensing element then converts the oscillation rate into an electrical signal, which is converted into a quantifiable velocity reading.


Featured Product Lines

Vortex

Vortex

Vortex flow meters are ideal for accurately measuring liquids, compressed air and saturated steam. Vortex meters have no moving parts and are virtually maintenance-free once installed. Meters are available in wafer, insertion and flange designs.

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VN2000 Compact Direct Insertion Meter
Size
50...1,200 mm
2...24 in.
Temperature Range
–120…204°C
-250...400 °F
Flow Range
49…8,570 lpm
13…38,500 gpm
Pressure Range
Up to 68.9 bar
Up to 1000 PSI
Accuracy
+/- 1 %
+/- 1 %
VN2000 Hot Tap Insertion Flow Meter
Size
50…900 mm
2...36 in.
Temperature Range
–120…204°C
-250...400 °F
Flow Range
49…593,174 lpm
13…156,700 gpm
Pressure Range
Up to 68.9 bar
Up to 1,000 PSI
Accuracy
±1 %
± 1 %
RVL Series Meter
Size
6...76 mm
1/4...3 in.
Temperature Range
Up to 95 °C
Up to 203 °F
Flow Range
2.3...1,136 lpm
0.6...300 gpm
Accuracy
±1 %
±1 %

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Contact a Customer Care Representative

We’ll get back to you within 24 hours or the following business day.

Prefer to call?
Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

For sales & general inquiries
Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010

For product support
Municipal water solutions: (800) 616–3837
Commercial & Industrial solutions: (877) 243–1010