JC080 Flanged Vortex Flow Meter

JC-080 series smart vortex flowmeter is mainly used for measuring the flow of industrial pipeline fluid, such as gas, liquid, and steam, etc.

  • Price Term: FOB/CIF/EXW/DAP
  • Package: Exported Wooden case or according to customer request
  • Delivery Time:  7 to 10 working days
  • Transports: By sea, by air, by high express
  • Shipment Port: Shanghai Port
  • Origin of Place: Jiangsu
  • Warranty: 12 Months

JC-080 series smart vortex flowmeter is mainly used for measuring the flow of industrial pipeline fluid, such as gas, liquid, and steam, etc.

It has little pressure loss, a broad span range, and high accuracy. It is not under influence of density, pressure, temperature, and viscosity when measuring volumetric flow. It has no movable mechanical parts with high reliability and little maintenance.

vortex-flow-meter-introduction

Tab3-BCST -Vortex flow meter

Setting vortex generation body (bluff body) in fluid, regular vortex will alternately generate from two sides of vortex generation body. This kind of vortex is called the Karman vortex. See picture 1. Vortex is downstream of vortex generation body, unsymmetrical array. Set occurrence to be f, the average flow speed of measured medium U, face width d, and diameter D. According to Karman principle, existing following relation :

f = StU1/d = Stu/MD

U1 – average flow speed at two sides of vortex generation body, m/s

St – Strouhal number

m – the ratio of segment area and pipeline cross-sectional area

Working principle-vortex flowmeter

Instantaneous volumetric flow :

Working principle-vortex flowmeter-2

In the formula K — Instrument Coefficient, pulse number/m3 (P/m3)

K has relation with vortex generation body, pipeline dimension, and Strouhal number. Strouhal number is a parameter without dimension. It has something to do with the shape of the vortex generation body and Reynolds number. Seeing from the picture, in the range of Re = 2 * 104 ~ 7 * 106, St can be seen to be a constant. When measuring gas flow, the flow calculation formula of JC-080 is

Working principle-vortex flowmeter-3

Standard Q/320831AHH003-2004  JB/T6807-93,ISO,CE
Medium Gas, liquid, steam
Caliber Flange holding (clamp-on) type   25, 32, 50, 80, 100, 150, 200, 250, 300
Flange connection type 100, 150, 200, 250, 300
Measuring Range Normal range of flow speed Reynold number 1.5 * 104 ~ 4 * 106; gas 5~50m/s;

liquid 0.5~7m/s

Normal range of flow rate Liquid, gas flow range-sheet2;

steam flow range-sheet 3

Accuracy Class 1.5
Temperature Normal temperature -25℃~100℃

High temperature -25℃~150℃ -25℃~250℃

Output Signal Pulse voltage output signal Square wave pulse
Current remote signal 4 ~ 20 mA, transmission distance 100m
Environmental Conditions Temperature: -25℃~+55℃ humidity: 5~90%
Material SS, Aluminum Alloy
Power 24 V DC or lithium battery 3.6V
Ex Exd II BT4
Protection Class IP65
Requirements to front & back straight tube section See Diagram 14

Application.jpg

Code Nominal Diameter (mm) Flow Range (m3/h) Remarks
JC-080-25

JC-080-32

JC-080-40

JC-080-50

JC-080-65

JC-080-80

JC-080-100

JC-080-125

JC-080-150

JC-080-200

JC-080-250

JC-080-300

DN25

DN32

DN40

DN50

DN65

DN80

DN100

DN125

DN150

DN200

DN250

DN300

1.4~12(L)  8.8~124(G)  7-124(S)

2.0~20(L)  15~200(G)  12-200(S)

3.2~36(L)  23~300(G)  18-300(S)

5~56(L)   35~450(G)   28-450(S)

8.2~96(L)  63~820(G)  50-820(S)

12.5-145(L) 90~1200(G) 75-1200(S)

20~224    142~1950   120-1950

30~352 220~3000 175-3000         44~512   320~4400    260-4400

79~920   565~7800    440-7800

140-1200  850-12400      720-12400

175-2020   1250-17500    1020-17500

1. Make reference to sheet 3 for steam flow range

2. DN250 ~ DN600 can be provided according to customers’ requirements

3. For DN300 and above, we recommend Insertion Type Vortex Flowmeter

4. L is liquid ,G is gas , S is steam

 

Code Function 1
N

Y

No Temperature & Pressure compensation

Temperature & Pressure compensation provided

Code Output               Code   Output  
F1

F3

4 ~ 20 mA (two wires)   F2    4-20ma (three wires)

RS 485 interface        F4     Pulse/Frequency

Code Medium       Code      Medium
J1

J2

Liquid          J3       Steam

Gas

Code Connection
L1

L2

Wafer Type

Flange Connection Type

Code Function 2
E1

E2

T1

T2

T3

P1

P2

P3

P0

D1

D2

I

R

1.0

1.5

Normal temperature

High Temperature

Steam

1.6 MPa

2.5 MPa

4.0 MPa

Special pressure

Internal 3.6 V

24V DC

Integral type

Remote type (10M cable )

1.Medium

2.Pipe size

3.Flow rate (min/normal/max)

4.Working temperature

5.Working pressure

6.Process connection

7.Power supply

8.Other special requirement

Application-vortex-flowmeter

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