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vortex flow meter

LUGB-type vortex flow meters are widely used in petroleum, chemical, metallurgical, thermal, textile, papermaking and other industries. Measurement and control of liquids (such as: water, gasoline, alcohol, benzene, etc.)
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Description SELECTION CRITERIA INSTALLATION AND USE FIELD INSTALLATION

LUGB / E-type vortex flow meter is widely used in petroleum, chemical, metallurgical, thermal, textile, paper and other industries of the superheated steam, saturated steam, compressed air and the general gases (oxygen, nitrogen , natural gas, coal gas, etc.), water and liquid (such as: water, gasoline, alcohol, benzene, etc.) the measurement and control.

In fluid set of non-streamlined body vortex occurred (obstructing fluid), from the body on both sides of the vortex occurred alternately produce two regular vortices,such as the Kaman Vortex, as showed in Figure (1):
(Figure 1)
Caliber
(mm)
Liquid Gas
Measurement Range (M / h) Output Frequency Range (HZ) Measurement Range (M / h) Output Frequency Range (HZ)
15 0.4-4 40-400 2.8-12 278-1190
20 0.7-7 26-260 6-30 226-1130
25 1-10 21-210 8.8-55 190-1178
32 1.5-15 15-150 15-140 150-1395
40 2.5-25 13-130 25-205 126-1036
50 3.5-45 9-119 35-350 93-930
65 5.5-75 6.7-91 60-600 73-730
80 8.5-110 5.3-68 86-860 53-530
100 16-180 5.2-58 130-1300 42-420
125 25-270 4.3-49 220-2200 38-380
150 35-350 3.3-33 350-3500 33-330
200 66-650 2.6-26 550-5500 22-220
250 95-950 1.9-19 850-8500 18-180
300 150-1500 1.8-18 1350-13500 16-160
(300) 150-1500 5.5-87 1560-15600 85-880
(400) 180-3000 5.6-87 2750-27000 85-880
(500) 300-4500 5.6-88 4300-43000 85-880
(600) 450-6500 5.7-89 6100-61000 85-880
(800) 750-10000 5.7-88 11000-110000 85-880
(1000) 1200-17000 5.8-88 17000-170000 85-880
>(1000) Agreement   Agreement  

tape

Description

LU

 

Vortex Flow Meter

G

 

sensor

Detection

Way

 

B

 

Piezoelectric Sensors

E

 

Capacitive sensor

Connections

 

1

full tube only

Flange connection type

2

full tube only

Law palanka loaded type

3

Plug-in only

Simple insertion

4

Plug-in only

Ball insertion

5

Only for full pipe type

Threaded connection type

6

Only for full pipe type

Clamp type

7

Only for full pipe type

Butt-welding type

Medium Wave Guide

 

2

 

 

 

 

 

 

liquid

 

gas

 

steam

3

4

nominal size

 

02

30

A0
 

A8

 

 

 

DN25

… 
unit:mm


 

DN300

Display text

 

E

 

English display

C

 

Chinese display

Use of environmental

P

 

normal

B

 

Explosion-proof

output signal

 

1

 

24V DC pulse output, three-wire system

2

 

24V DC intelligent with 4-20mA current output

3

 

Intelligent 24V DC with RS-485 communication

4

 

24V DC INTELLIGENT WITH HART protocol

5

 

Battery power

Compensation Mode

 

O

 

No compensation

T

 

 Temperature compensation

P

 

Pressure compensation

Z

 

Temperature and pressure compensation

Example Description

Example: LUGE2405-P2 full tube capacitive Vortex Flowmeters, Law palanka loaded connectors, Medium is the steam, Instrumentation Path for DN50, normally the output signal is 4 ~ 20mA .

Caliber

(mm)

A

B

C

CH

15-25

70 

55

390

455

40

85

80

385

440

50

85

90

390

450

65

85

105

400

470

80

90

120

420

480

100

85

140

440

500

125

95

168

465

530

150

100

194

490

560

200

102

248

545

610

250

115

300

600

660

300

130

350

650

710 

Caliber

(mm)

L

25

60.5

300

58

400

65.5

500

60.5

600

55.5

800-2000

45.5

pipeline instrumentation installation requirements
1. Vortex Flow meter point on the installation of upstream and downstream straight pipe sections have certain requirements, otherwise, will affect the media in the pipeline in the flow field, the impact of instrument measurement accuracy. Meter upstream and downstream straight pipe length requirements see paragraph
Sensor type upstream pipeline Length of straight pipe before and after Sensor type upstream pipeline Length of straight pipe before and after
Concentric contraction of wide-open valve Concentric contraction of wide-open valve
The same plane two 90-degree bend Planar two different 90-degree bend
Expanding concentric tube Valve half-open valve (not Recommend)

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