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  • Vortex Flow Meter

    LUGB Flow Instrumentation Vortex Flow Meter The vortex flowmeter is a speed type flow instrument which has a wide range of uses. It is suitable for flow metering, measurement and control of liquids, steam and most gases. more

LUGB Flow Instrumentation Vortex Flow Meter

The vortex flowmeter is a speed type flow instrument which has a wide range of uses. It is suitable for flow metering, measurement and control of liquids, steam and most gases.

  • Product Origin:

    China
  • Shipping Port:

    Huangpu port
  • Lead Time:

    Spot
  • MOQ:

    1
Product Details

Features

■No moving components, long-term stabilization, structure is simple for easy installation and maintenance;

■The output of the sensor is the pulse frequency, its frequency is linear with the actual flow rate of the fluid measured, it has no zero drift, and the performance is very stable. The structure is various in the form of pipeline and plug-in type flow sensors;

■The accuracy is high, the accuracy of measuring liquid is usually 11.0%, and the accuracy of measuring gas is ±1.5%;

■The measurement range is wide, and in the range of Reynolds number is 2~7, it can reach 1:20;

■Low pressure loss(about 1 /4-1 /2 of the orifice flowmeter), which belongs to the energy-saving flow instrument;

■The installation method is changeful. It can be installed horizontally, vertically and at different angles according to different process pipelines;

■It adopts interference cancellation circuit and anti-vibration sensor head, so it has certain anti-environmental vibration performance;

■It adopts ultra-low-power single-chip microcomputer technology. For one 3V10Ah battery, can be used for more than 3 years;

■The nonlinearity of the meter coefficient is corrected by software to improve the measurement accuracy;

■Adopts EPROM to conduct power fail safeguard to the accumulative flow, and the effective protection time is more than 10 years;

St and Re Variation diagram


                             Fig.1 Relation between Strouhal number (St) and Reynolds number (Re)


Product Classification

1. Clamp type vortex flowmeter

Clamp type vortex flowmeter

Small installation size, simple structure and low cost.


2. Flange type vortex flowmeter

Flange type vortex flowmeter

Integrated flange structure, easy installation, and it is widely used in the measurement of flow of compressed air, saturated and superheated steam, natural gas and various medium.


3.Sanitation type vortex flowmeter

Sanitation type vortex flowmeter

It is widely used in liquid and steam metering in food and pharmaceutical industries. It can also measure small particles, miscellaneous turbid liquids, and can be used as flow transmitter in automatic control systems.


LUGB measurement range and working pressure

1、General liquid and gas applicable flow range                                                                                   Table1

Meter diametermm

Liquid measurement rangem3/h

Gas measurement rangem3/h

Connection mode

compression resistance gradeMPa

DN15

  1.2-6.2

5-25

Flange clamping / Flange connection

2.5/1.6

DN20

  1.5-10

8-50

Flange clamping / Flange connection

2.5/1.6

DN25

  1.6-16

10-70

Flange clamping / Flange connection

2.5/1.6

DN32

  1.9-19

15-150

Flange clamping / Flange connection

2.5/1.6

DN40

  2.5-26

22-220

Flange clamping / Flange connection

2.5/1.6

DN50

  3.5-38

36-320

Flange clamping / Flange connection

2.5/1.6

DN65

  6.2-65

50-480

Flange clamping / Flange connection

2.5/1.6

DN80

  10-100

70-640

Flange clamping / Flange connection

2.5/1.6

DN100

  15-150

130-1100

Flange clamping / Flange connection

2.5/1.6

DN125

  25-250

200-1700

Flange clamping / Flange connection

1.6/1.6

DN150

  36-380

280-2240

Flange clamping / Flange connection

1.6/1.6

DN200

  62-650

580-4960

Flange clamping / Flange connection

1.6/1.6

DN250

140-1400

970-8000

Flange clamping / Flange connection

1.6/1.6

DN300

200-2000

1380-11000

Flange clamping / Flange connection

1.6/1.6


Product selection

                                                                                                                                                                Table2

Model

Interpretation 

LUGB

¨

¨

¨

¨

¨

¨

Vortex flow meter

Connection mode

 

 

1

 

 

 

Flange connectionfor full tube vortex flowmeter

 

 

 

2

 

 

 

Flange clampingfor full tube vortex flowmeter

Measured medium

 

 

1

 

 

 

liquid

 

 

2

 

 

 

general gas

 

 

3

 

 

 

compressed air

 

 

4

 

 

 

steam

inside nominal diameter

 

 

00

 

 

 

15mm

 

 

01

 

 

 

20mm

 

 

02

 

 

 

25mm

 

 

03

 

 

 

32mm

 

 

04

 

 

 

40mm

 

 

05

 

 

 

50mm

 

 

06

 

 

 

65mm

 

 

08

 

 

 

80mm

 

 

10

 

 

 

100mm

 

 

12

 

 

 

125mm

 

 

15

 

 

 

150mm

 

 

20

 

 

 

200mm

 

 

25

 

 

 

250mm

 

 

30

 

 

 

300mm

Compensation

 

 

N

 

 

 

Uncompensatedsuitable for volume flow measurement occasions

 

 

T

 

 

 

Temperature compensationsuitable for saturated steam

 

 

P

 

 

 

Pressure compensationsuitable for saturated steam

 

 

F

 

 

 

Temperature and pressure compensation(suitable for superheated steam and compressed air

Output type

 

 

N

 

 

 

Sensor type:24VDC power supply, output three-wire pulse signal

 

 

A

 

 

 

Transmitter type:24VDC power supplyOutput current signal 4~20mA

 

 

B

 

 

 

IntelligentLithium battery power supplystatus displayDual power supply, pulse output optional

 

 

C1

 

 

 

Intelligent:24VDC power supplystatus display、output 4-20mA(pulse output optional

 

 

C2

 

 

 

Intelligent:24VDC power supplystatus display、output two-wire system 4-20mA HART communication、(pulse output optional

 

 

C3

 

 

 

Intelligent:24VDC power supplystatus display、RS485 communication、(Dual power supply, pulse output optional

accuracy class

 

 

15

 

 

 

1.5 level

 

 

 

10

 

 

 

1.0 level

material quality

 

 

S

 

 

 

304 stainless steel

 

 

 

L

 

 

 

316(L)stainless steelCustomized,long supply cycle

Explosion-proof

 

 

N

 

 

 

Non-explosion-proof type

 

 

 

E

 

 

 

Explosion-proof type,ExdIICT6

Pressure grade

 

 

P

 

 

 

Actual pressure gradecustomization for high pressure, long supply cycle


 Structure and installation size

1. Installation size of full tube type turbine flow sensor, (Fig.2) and (Table 3)

Fig.2   Structure style

   full tube type turbine flow sensor                                     

Table of flowmeter outline dimension(unit:mm)                                                                                   Table3

Nominal diameter

Body length L

Internal diameter d

External diameter D

Height H

15

80

15

69

350

20

80

20

69

350

25

80

25

69

350

32

80

32

69

353

40

80

40

80

357

50

80

50

88

367

65

80

65

105

385

80

80

80

120

397

100

80

100

148

417

125

85

125

175

442

150

90

150

195

467

200

105

200

250

520

250

120

250

300

570

300

120

300

350

620


2. Main physical dimension of the flange type flowmeter, (Fig.3) and (Table 4)

Fig.3  Structure style

  flange type flow meter                   

Table of flowmeter outline dimensionUnitmm)                                                                                    Table 4

Nominal diameter

Internal diameter

Flange outer diameter

Overall length

Center pitch

Flange thickness

Bolt aperture

Bolt number

Overall height

 

d1

D

L

K

b

d2

n

H

15

15

95

200

65

14

14

4

323

20

20

105

200

75

16

14

4

323

25

25

115

200

85

16

14

4

323

32

32

140

200

100

18

18

4

317

40

40

150

200

110

18

18

4

322

50

50

165

200

125

20

18

4

327

65

65

185

200

145

22

18

8

334

80

80

200

200

160

24

18

8

344

100

100

235

250

190

26

22

8

354

125

125

270

250

220

28

26

8

366

150

150

300

300

250

30

26

8

379

200

200

360

350

310

32

26

12

404

250

250

425

450

370

35

30

12

429

300

300

485

500

430

38

30

16

454


The installation of flowmeter and pipelineFig. 4-fig.8)

 installation of flowmeter and pipeline

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