Yokogawa Digital YEWFLO Vortex Flowmeter

Standard

Multi-Variable

Reduced Bore

Model & code

DY Vortex

Flowmeter

Optional code:/MV

Option code:/R1,/R2

Fluid to be measured

Liquid, gas, steam

(avoid multiphase flow and sticky fluids)

Nominal size

15mm ∼ 300mm
(400mm:special)

25mm ∼ 200mm

25mm ∼ 200mm

Accuracy

Liquid: ±1.0% of reading (20000≤Re≤1000)
Liquid: ±0.75% of reading (D×1000≤Re)

Liquid: ±1.0% of

reading
(20000≤Re≤1000)

Gas, steam: ±1.0% of reading (flow velocity less than 35m/s)
Gas, steam: ±1.5% of reading (flow velocity 35m/s ∼ 80m/s)

Output signal

Simultaneous output

(both analog and transistor contact output available)

Process
temperature
range

-29 deg C - 260 deg C
(standard)

-29 deg C - 260 deg C
(standard)

-29 deg C - 260 deg C
(standard)

-196 deg C∼100 deg C
(option: cryogenic version)

N/A

N/A

-29 deg C∼450 deg C
(option: high process
temperature version)

N/A

-29 deg C∼450 deg C
(option: high process
temperature version)

Process
pressure
limit

-0.1MPa (-1kg/cm2) to flange rating

Ambient temperature

-29 to 85 deg C (Integral type / No indicator)
-29 to 80 deg C (Integral type / with indicator)
-29 to 85 deg C (Remote type detector)
-40 to 85 deg C (Remote type converter / No indicator)
-30 to 80 deg C (Remote type converter / with indicator)

Ambient
humidity

5~100%RH( Non-condensing)

Mounting

Integral type and Remote type detector: Flange mounting or wafer mounting Remote type converter: 2 inch pipe mounting

JIS10/20/40, ANSI150/300/600/900, JPI150/300/600,DIN PN10/16/25/40

Electrical

connection

JIS G1/2 female, ANSI 1/2NPT female, ISO M20×1.5 female

Electrical

classification

JIS flameproof, FM explosion proof/intrinsically safe

ATEX (CENELEC flameproof/intrinsically safe/IEC type n)

CSA explosion proof/intrinsically safe : Dual Seal

SAA flame proof/intrinsically safe

Material

Body: SCS14A cast stainless steel (equivalent to SUS316,CF8M)

Shedder bar: duplex stainless steel (option:anti-corrosion version)

Gasket: SUS316 stainless steel with polytetrafluoroethylene (Teflon) coating

Converter housing and case cover: aluminum alloy or ASTM CF8M (equiv. JIS SCS14A) (Option: /E1)

Applicable

Standard

*EMC Conformity Standards:

EN61326-1 Class A, Table 2 (For use in industrial locations), EN61326-2-3

EN55011 Class A Group 1

*Pressure Equipment Directive:

Notified Body Identification Number 0038 Module H