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LUXQ Series Intelligent Precession Vortex Flowmeter

LUXQ series intelligent precession vortex flowmeter can be widely used in industries such as petroleum, chemical, electric power, metallurgy, urban gas supply to measure various gas flows, which is the first choice for oil and gas transmission and metering and trade measurement.

  • Product Origin:

    China
  • Shipping Port:

    Huangpu port
  • Lead Time:

    Spot
  • MOQ:

    1
Product Details

Features

■No mechanical movable parts, not easy to corrode, stable and reliable, long life, no special maintenance for long-term operation;

■Use 16-bit computer chip, high integration, small volume, good performance, strong machine function;

■Intelligent type flowmeter integrates flow probe, microprocessor, pressure and temperature sensor. It uses built-in combination to make the structure more compact. It can directly measure the flow, pressure and temperature of the fluid, and automatically track the compensation and compression factor correction in real time.

■Use double detection technology, it can effectively improve the detection signal strength and suppress the interference caused by pipe vibration;

■Use domestic leading intelligent aseismic technology, effectively suppressing interference signals caused by vibration and pressure fluctuations;

■Use Chinese character dot matrix display, the display has many digits, the reading is intuitive and convenient, and can directly display the volume flow under working condition;

■ Volume flow, total amount, and medium pressure, temperature and other parameters under standard condition;

■Use EEPROM technology,  easy to set up the parameters, can be saved permanently, and can save historical data up to one year;

■The converter can output frequency pulse, 4~20mA analog signal, and has RS485 interface, which can directly communicate with the microcomputer. The transmission distance can reach 1.2km;

■Multiple physical parameter alarm output, which can be selected by the user;

■The meter head can rotate by 350 degrees, which is easy to install and use;


Flowmeter Selection

                                                                                                                                                   Table 1

Model

Description

LWXQ-

Intelligent precession vortex flowmeter

Meter nominal diameter  

01

20mm

02

25mm

03

32mm

05

50mm

06

65mm

08

80mm

10

100mm

12

125mm

15

150mm

20

200mm

Flow range

1

ALittle range

2

BLarge range

1

24VDC

2

Lithium battery

3

24VDC and lithium battery

Accuracy grade

0

1.0 grade

1

1.5 grade

A

4-20mA two-wire output

B

4-20mA three-wire output; pulse output; RS485 communication (MODBUS protocol); alarm output

C

Pulse output: RS485 communication (MODBUS protocol); alarm output

Explosion-proof grade

N

Standard type, not explosion-proof

E

Flameproof type, ExdIIBT6


Flowmeter Dimensions and Installation Dimensions

The external dimensions of the flowmeter are shown in Fig.1. The unmarked dimensions in the figure are listed in Table 1. The flowmeter use flange connection and implement the GB/T9112}9113-2000 standard.

Flowmeter Dimensions and Installation Dimensions

Table 2                                                                                                                                     Units: mm

Model

Nominal diameterDN

Pressure gradeMPa

A

H

D

K

n-φd

LUXQ-020A

20

1.62.54.06.3

160

305

105

75

4-φ14

LUXQ-025A

25

1.62.54.06.3

180

315

115

85

4-φ14

LUXQ-032A

32

1.62.54.06.3

200

330

140

100

4-φ18

LUXQ-050A

50

1.62.54.0

232

355

165

125

4-φ18

LUXQ-050B

6.3

365

180

135

LUXQ-080A

80

1.62.54.0

330

390

200

160

8-φ18

LUXQ-080B

6.3

400

215

170

LUXQ-100A

100

1.6

410

410

220

180

8-φ18

2.5

420

235

190

8-φ22

LUXQ-100B

4.0

420

235

190

LUXQ-150A

150

1.6

580

470

285

240

8-φ22

2.5

490

300

250

8-φ26

LUXQ-150B

4.0

490

300

250

LUXQ-200A

200

1.6

700

525

340

295

12-φ22

2.5

540

360

310

12-φ26

4.0

550

375

320

12-φ30

Note:  special specification requirements.

Flowmeter installation diagram


Installation Precautions

1. The sensor can be installed in the vertical, horizontal or any inclined position according to the flow direction mark;

2. When the pipe is long or close to the vibration source, support should be installed on the upstream and downstream of the flowmeter to eliminate the influence of pipe vibration;

3. The installation location of the sensor shall have sufficient space to facilitate the inspection and maintenance of the flowmeter and meet the environmental requirements of the flowmeter;

4. Avoid interference from strong external magnetic fields;

5. When installing and using outdoors, there shall be cover to avoid sun exposure and rain erosion, which will affect the service life of the meter;

6. When testing the pipe, pay attention to the pressure measurement range of the pressure sensor configured by the intelligent flowmeter to avoid overpressure and damage the pressure sensor.

7.Pay attention to the impact of installation stress, the upstream and downstream pipe installed in the flowmeter should be coaxial, otherwise it will produce shear stress. The position of the flowmeter should take into account the thickness of the gasket or to install an elastic expansion joint on the downstream side.

8. Before installing the flowmeter, remove the welding slag and other debris.

9. When the machine is in operation, the upper and lower valves of the flowmeter should be slowly opened to prevent the instantaneous airflow from damaging spiral flow generator..

10. When the flowmeter needs to transmit signal remotely, it shall be connected to the external power supply (1224) VDC strictly according to the requirements of “Electrical Performance Index”. It is strictly forbidden to directly connect 220VAC or 380VAC power supply to the signal output port;

11. The user shall not change the wiring mode of the explosion-proof system and arbitrarily twist each output lead connector;

12. When the flowmeter is in operation, it is not allowed to open the back cover to change the meter parameters, otherwise it will affect the normal operation of the flowmeter;

13. Check the leakage at the flange of the flowmeter regularly.

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