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Yokogawa DY015 Vortex flowmeter

Yokogawa DY015 Vortex flowmeter


It can measure the flow rate of liquid, gas and steam
Installation at piping is easy because there are only two upstream and downstream connections.
The sensor detects frequency, and at zero flow rate it outputs frequency zero. Therefore, no zero adjustment is required.

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Specifications / Functions

Refer to the General Specification sheet located under the Downloads tab for detailed specifications.

Model・DY type vortex flowmeter (Integral type, remote type detector)
・DYA type remote type converter
SpecificationStandard specification
Measurement FluidLiquid, gas, saturated steam, superheated steam (avoid multi-phase flow and adhesive fluid)
Process Temperature-29 to 250 °C
Process Pressure-0.1 MPa according to flange rating
DiameterWafer15 to 100 mm
Flange15 to 400 mm
AccuracyLiquid± 0.75 % of reading (depends on Reynolds number)
Gas, Steam± 1.0 % of reading (depends on the flow velocity)
Output SignalAnalog output, transistor contact output (simultaneous output possible)
Communication TypeHART 7 / HART 5, BRAIN, FOUNDATION fieldbus
Explosion Protected TypeTIIS Ex d, FM Ex d / Ex ia, ATEX Ex db / Ex ia, CSA Ex d / Ex ia, IECEx Ex db / Ex ia




digitalYEWFLO Vortex flowmeter Reduced Bore Type is a vortex flowmeter in which the main body of the vortex flowmeter and the reducer (reduction pipe and expansion pipe) are integrated into a casting.
Suitable for lines with large fluctuations in flow rate depending on the season, such as steam supply lines.
Since the reducer and the vortex flowmeter are integrated, it is not necessary to prepare a reducer and a short pipe for securing the straight pipe length.
This not only simplifies installation and reduces costs, but also improves safety by reducing the number of connection points.

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DigitalYEWFLO Vortex flowmeter Reduced Bore Type is a vortex flowmeter in which the main body of the vortex flowmeter and the reducer (reduction pipe and expansion pipe) are integrated into a casting.
Suitable for lines with large fluctuations in flow rate depending on the season, such as steam supply lines.
Since the reducer and the vortex flowmeter are integrated, it is not necessary to prepare a reducer and a short pipe for securing the straight pipe length.
This not only simplifies installation and reduces costs, but also improves safety by reducing the number of connection points.


The Yokogawa DY Vortex flowmeter combines the field proven sensor and body assembly used in more than 400,000 units installed worldwide with a unique and powerful combination of digital technology that includes spectral signal processing (SSP), a Yokogawa innovation. The digitalYEWFLO vortex flow meter is accurate and stable, even in harsh process conditions, and has a highly reliable and robust design that delivers improvements in plant efficiency and reduced operating costs;
Advanced Self-diagnostics
Provides diagnostic messages on high vibration environments, excessive flow fluctuations, and clogging or plugging in the area around the shedder bar. Analysis of the process allows true condition-based maintenance.
Combining Noise Reduction and Spectral Signal Processing (SSP) to provide an accurate and stable measurement.
Yokogawa's digitalYEWFLO is simple to integrate into your existing system.

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