The digital YEWFLO vortex flowmeter combines the field proven sensor and body assembly used in more than 450,000 units installed worldwide with a unique and powerful combination of digital technology that includes spectral signal processing (SSP), a Yokogawa innovation. The digitalYEWFLO vortex flowmeter 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.
About OpreX
OpreX is the comprehensive brand for Yokogawa’s industrial automation (IA) and control business and stands for excellence in the related technology and solutions. It consists of categories and families under each category. This product belongs to the OpreX Field Instruments family that is aligned under the OpreX Measurement category.
Details
Standard Type
digitalYEWFLO Vortex Flowmeter Standard Type can measure flow rate of liquid, gas and steam.
A simple and robust structure with no moving parts provides high reliability and durability, and supports a wide range of applications.
Can Be Used in a Wide Range of Applications
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.
Durability
Durability through simple design and construction.
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 |
|
|---|---|---|
| Specification | Standard specification | |
| Measurement Fluid | Liquid, 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 | |
| Diameter | Wafer | 15 to 100 mm |
| Flange | 15 to 400 mm | |
| Accuracy | Liquid | ± 0.75 % of reading (depends on Reynolds number) |
| Gas, Steam | ± 1.0 % of reading (depends on the flow velocity) | |
| Output Signal | Analog output, transistor contact output (simultaneous output possible) | |
| Communication Type | HART 7 / HART 5, BRAIN, FOUNDATION fieldbus | |
| Explosion Protected Type | TIIS Ex d, FM Ex d / Ex ia, ATEX Ex db / Ex ia, CSA Ex d / Ex ia, IECEx Ex db / Ex ia | |
Reduced Bore Type
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.
Durability
Durability through simple design and construction.
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 |
|
|---|---|---|
| Specification | Optional specifications 1 Size down: /R1 2 Size down: /R2 |
|
| Measurement Fluid | Liquid, gas, saturated steam, superheated steam (avoid multi-phase flow and adhesive fluid) | |
| Process Temperature | -29 to 250 °C | |
| Process Pressure | -0.1 MPa to flange rating | |
| Diameter | Wafer | None |
| Flange | R1: 25 to 200 mm (detection unit: 15 to 150 mm) R2: 40 to 200 mm (detection unit: 15 to 100 mm) |
|
| Accuracy | Liquid | ± 1.0 % of reading (depends on Reynolds number) |
| Gas, Steam | ± 1.0 % of reading (depends on the flow velocity) | |
| Output Signal | Analog output, transistor contact output (simultaneous output possible) | |
| Communication Type | HART 7 / HART 5, BRAIN, FOUNDATION fieldbus | |
| Explosion Protected Type | TIIS Ex d, FM Ex d / Ex ia, ATEX Ex db / Ex ia, CSA Ex d / Ex ia, IECEx Ex db / Ex ia | |
Multi-Variable Type
digitalYEWFLO Vortex Flowmeter Multi-Variable Type is a flowmeter most suitable for steam applications, with a built-in resistance temperature sensor (Pt1000) in a solid shedder bar (vortex generator).
Analog and pulse signals can be output simultaneously, and while displaying the flow rate on the display, it is also possible to display the fluid temperature as a temperature monitor function. It contributes to the total cost reduction and energy saving of the line using steam as the heat medium.
Durability
Durability through simple design and construction.
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 |
|
|---|---|---|
| Specification | Optional specifications: /MV | |
| Measurement Fluid | Liquid, gas, saturated steam, superheated steam (avoid multi-phase flow and adhesive fluid) | |
| Process Temperature | -29 to 250 °C | |
| Process Pressure | -0.1 MPa to flange rating | |
| Diameter | Wafer | 25 ～ 100 mm |
| Flange | 25 to 200 mm (custom specification: 250 to 400 mm) | |
| Accuracy | Liquid | ± 0.75 % of reading (depends on Reynolds number) |
| Gas, Steam | ± 1.0 % of reading (depends on the flow velocity) | |
| Output Signal | Analog output, transistor contact output (simultaneous output possible) | |
| Communication Type | HART 7 / HART 5, BRAIN, FOUNDATION fieldbus | |
| Explosion Protected Type | TIIS Ex d, FM Ex d / Ex ia, ATEX Ex db / Ex ia, CSA Ex d / Ex ia, IECEx Ex db / Ex ia | |
High / Cryogenic Version
digitalYEWFLO Vortex Flowmeters High Process Temperature Version can be measured up to 450 °C, Cryogenic Version can be measured down to -196 °C.
Ideal for Measuring High Temperature Steam, Liquid Nitrogen, Etc.
Supports a wide range of fluid temperatures compared to the standard types.
It has the same face-to-face dimension as the standard type, so replacement is easy.
It is a simple structure that is easy to keep warm and cool.
Combination with Multi-Variable Type Possible (High Process Temperature Version Only)
For the High Process Temperature Version, combination with the Multi-Variable Type is possible.
The combination with multiple variable type allows temperature measurement and correction up to 400 °C.
| Model Code | DY025 to DY100: Wafer Type DY025 to DY200: Flange Type |
|||
|---|---|---|---|---|
| Option Code | /MV | /HT/MV | ||
| Function | Temperature Indication / Output | Temperature Range | -29 to 250 °C | -29 to 400 °C |
| Saturated Steam Mass Flow Rate | Calculation Temperature Range | 100 to 250 °C | 100 to 330 °C | |
| Superheated Steam Mass Flow Rate | 100 to 250 °C | 100 to 400 °C | ||
| Gas Volume Flow Rate | -29 to 250 °C | -29 to 400 °C | ||
| Liquid Mass Flow Rate | -29 to 250 °C | -29 to 400 °C | ||
Combination with Reduced Bore Type Possible (High Process Temperature Version Only)
For the High Process Temperature Version, combination with the Reduced Bore Type is possible.
In combination with the Reduced Bore Type, flow measurement can be performed up to 450 °C even in the low flow.
Durability
Durability through simple design and construction.
Specifications / Functions
Refer to the General Specification sheet located under the Downloads tab for detailed specifications.
| Model | DY type vortex flowmeter (remote type detector) | |
|---|---|---|
| Specification | Optional specification High Process Temperature Version: /HT Cryogenic Version: /LT |
|
| Measurement Fluid | Liquid, gas, saturated steam, superheated steam (avoid multi-phase flow and adhesive fluid) | |
| Process Temperature | -29 to 450 °C（ /HT ） -196 to 100 °C（ /LT ） |
|
| Process Pressure | -0.1 MPa to flange rating | |
| Diameter | Wafer | 15 to 100 mm |
| Flange | 15 to 400 mm | |
| Accuracy | Liquid | ± 0.75 % of reading (depends on Reynolds number) |
| Gas, Steam | ± 1.0 % of reading (depends on the flow velocity) | |
| Output Signal | Analog output, transistor contact output (simultaneous output possible) | |
| Communication Type | HART 7 / HART 5, BRAIN, FOUNDATION fieldbus | |
| Explosion Protected Type | TIIS Ex d, FM Ex d / Ex ia, ATEX Ex db / Ex ia, CSA Ex d / Ex ia, IECEx Ex db / Ex ia | |
Others
Remote
Remote electronics allows you to locate the indicator away from the process measurement point and to more convent visible area. Remote digitalYEWFLO vortex flowmeters are available in a number of different sizes ranging from 1/2-inch to 16-inch. Available with wafer style or flanged style (ANSI Class 150 to ANSI Class 900). digitalYEWFLO has the size you need.
The picture left shows a Stainless Steel housing. The SS housing is available option on all Yokogawa digitalYEWFLO Vortex Flowmeters.
Worldwide Approvals
With the rapid globalization of markets, numerous international standards and approvals are becoming necessary; therefore, Yokogawa instruments have acquired various international certifications including explosion proof, electromagnetic compatibility (EMC), and communication protocols.
1. EMC Standards (EMC Standards)
| Standard name | Standard Type | Reduced Bore Type | Multi-Variable Type | High Process Temperature Version and Cryogenic Version | |
|---|---|---|---|---|---|
| CE Marking | European EMC Directive | Yes | Yes | Yes | Yes |
| RCM Mark | Australia and New Zealand Electrical Equipment Safety Standards |
Yes | Yes | Yes | Yes |
| KC Mark | Korea electromagnetic wave conformity standard | Yes | Yes | Yes | Yes |
2. Explosion Proof Standard
| Standard name | Standard Type | Reduced Bore Type | Multi-Variable Type | High Process Temperature Version and Cryogenic Version | |
|---|---|---|---|---|---|
| TIIS | Flame proof | Yes | Yes | Yes | Yes |
| IECEx | Flame proof | Yes | Yes | Yes | Yes (for High Process Temperature Version only) |
| Intrinsically safe | Yes | Yes | Yes | Yes | |
| ATEX | Flame proof | Yes | Yes | Yes | Yes (for High Process Temperature Version only) |
| Intrinsically safe | Yes | Yes | Yes | Yes | |
| FM | Flame proof | Yes | Yes | Yes | Yes |
| Intrinsically safe | Yes | Yes | Yes | Yes | |
| CSA | Flame proof | Yes | Yes | Yes | Yes |
| Intrinsically safe | Yes | Yes | Yes | Yes | |
3. Communication Protocol
| Communication protocol | Standard Type | Reduced Bore Type | Multi-Variable Type | High Process Temperature Version and Cryogenic Version | |
|---|---|---|---|---|---|
| HART | 7 | Yes | Yes | Yes | Yes |
| 5 | Yes | Yes | Yes | Yes | |
| BRAIN | Yes | Yes | Yes | Yes | |
| FOUNDATION Fieldbus | Yes | Yes | Yes | Yes | |
FSA120 Flow Configuration Software FlowNavigator
Flow Configuration Software FlowNavigator (FSA120) is a software package that provides various functions required to easily set mass flow parameters of field devices.
The flow calculation setting software consists of the following two programs.
- EJXMVTool: for EJX910A / EJX930A multi variable transmitter
- DYFMVTool: digitalYEWFLO Vortex Flowmeter for Fieldbus Communication Type
FlowNavigator uses FDT technology and operates on FieldMate Versatile Device Management Wizard and Plant Resource Manager (PRM).
Click here for details on the FSA120 FlowNavigator Flow Configuration Software
Click here for details on the FieldMate Versatile Device Management Wizard
Downloads
Brochures
- Vortex Flowmeter digitalYEWFLO Series - Total Insight - (5.9 MB)
- SENSOR APPLICATION NOTE (1.3 MB)
- SENSOR APPLICATION NOTE digital YEWFLO (931 KB)
- Application for the Marine industry (6.0 MB)
Instruction Manuals
General Specifications
Technical Information
Drawings
- digitalYEWFLO Vortex Flowmeter Integral / Remote , Wafer [DY015, DY025, DY040, DY050, DY080, DY100] (684 KB)
- digitalYEWFLO Vortex Flowmeter Integral / Remote , Flange [DY015, DY025, DY040, DY050, DY080, DY100] (677 KB)
- digitalYEWFLO Vortex Flowmeter Integral / Remote , Flange [DY150, DY200, DY250, DY300, DY400] (674 KB)
- digitalYEWFLO Vortex Flowmeter High Temp. (/HT) and Cryogenic (/LT) Remote , Wafer [DY015,DY025,DY040,DY050,DY80,DY100] (639 KB)
- digitalYEWFLO Vortex Flowmeter High Temp. (/HT) and Cryogenic (/LT) Remote , Flange [DY015,DY025,DY040,DY050,DY80,DY100] (645 KB)
- digitalYEWFLO Vortex Flowmeter High Temp. (/HT) Remote , Flange [DY150, DY200, DY250, DY300, DY400] (651 KB)
- digitalYEWFLO Vortex Flowmeter High Temp. (/HT) , Reduced Bore (/R1) Remote , Flange [DY040, DY050, DY080] (630 KB)
- digitalYEWFLO Vortex Flowmeter High Temp. (/HT) , Reduced Bore (/R1) Remote , Flange [DY100, DY150] (629 KB)
- digitalYEWFLO Vortex Flowmeter Reduced Bore (/R1) Integral / Remote , Flange [DY025, DY040, DY050] (671 KB)
- digitalYEWFLO Vortex Flowmeter High Temp. (/HT) , Reduced Bore (/R1) Remote , Flange [DY200] (627 KB)
- digitalYEWFLO Vortex Flowmeter High Temp. (/HT) , Reduced Bore (/R2) Remote , Flange [DY040, DY050, DY080, DY100, DY150, DY200] (631 KB)
- digitalYEWFLO Vortex Flowmeter Reduced Bore (/R1) Integral / Remote , Flange [DY080, DY100, DY150] (671 KB)
- digitalYEWFLO Vortex Flowmeter Reduced Bore (/R1) Integral / Remote , Flange [DY200] (668 KB)
- digitalYEWFLO Vortex Flowmeter Reduced Bore (/R2) Integral / Remote , Flange [DY040, DY050, DY080, DY100, DY150, DY200] (672 KB)
- digitalYEWFLO Vortex Flowmeter SS Housing (/E1) Remote, Wafer [DY015, DY025, DY040, DY050, DY080, DY100] (623 KB)
- digitalYEWFLO Vortex Flowmeter SS Housing (/E1) Remote, Flange [DY015, DY025, DY040, DY050, DY080, DY100] (631 KB)
- digitalYEWFLO Vortex Flowmeter SS Housing (/E1) Remote, Flange [DY150, DY200, DY250, DY300, DY400] (629 KB)
- digitalYEWFLO Vortex Flowmeter SS Housing (/E1) , Reduced Bore (/R1) Remote, Flange [DY025, DY040, DY050, DY080, DY100, DY150] (619 KB)
- digitalYEWFLO Vortex Flowmeter SS Housing (/E1) , Reduced Bore (/R1) Remote, Flange [DY200] (619 KB)
- digitalYEWFLO Vortex Flowmeter SS Housing (/E1) , Reduced Bore (/R2) Remote, Flange [DY040, DY050, DY080, DY100, DY150, DY200] (620 KB)
- digitalYEWFLO Series Vortex Flowmeter High Pressure Type (BA6, CA6) Integral/Remote, Flange [DY025, DY040, DY050] (628 KB)
- digitalYEWFLO Series Vortex Flowmeter High Pressure Type (BA6, CA6), Stainless Steel Housing (/E1), Remote, Flange (567 KB)
- digitalYEWFLO Vortex Flowmeter Remote Type Vortex Flow Converter [DYA] (688 KB)
- digitalYEWFLO Vortex Flowmeter Flameproof Packing Adapter [/G11, /G12] (548 KB)
- digitalYEWFLO Vortex Flowmeter Remote Type Signal Cable [DYC] (629 KB)
2D/3D Configurator
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