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Intelligent Flow Controller LKZ

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Intelligent flow controller LKZ

Product introduction

LKZ Series Intelligent Flow Controller is the latest Mechatronics intelligent flow control instrument. The product uses the most advanced single-chip computer and peripheral interface circuit in the world at present. The IC card with superior encryption performance is selected as the human-machine transmission medium. It has the features of automatic deduction, accuracy, reliability, perfect function and advanced structure. The whole machine is designed with micro power consumption, lithium battery power supply and LCD display. It can record the user's cumulative gas consumption, billing and other data, and the product has a variety of protection functions to ensure the security and reliability of the system operation. It can be matched with various flow meters (ultrasonic flow meter, Roots flow meter, turbo flow meter) to form a complete set of prepaid gas selling system, which can be connected with the remote monitoring system designed and produced by our company to achieve real-time monitoring of the operation status and gas situation of the intelligent flow controller.

Intelligent Flow Controller usually deducts gas consumption by collecting flow output pulses, and Intelligent Flow Controller has RS485 interface to read flow meter data deduction function. This kind of sampling deduction method is not easy to interfere with, has strong reliability, and avoids the miscounting caused by other similar product flow sampling which is easily interfered by pulse alone.

In addition, the smart flow controller has an external RS485 interface. The remote terminal can realize the functions of remote charging, price adjustment, data monitoring and on-off control of the smart flow controller through the RS485 communication interface.


Main functions

Product name

Intelligent flow controller

Product type

IC card

IC card+IoT

External RTU

Billing method

Normal billing

Normal billing+Remote price adjustment

Normal billing+Remote price adjustment

Payment Method

IC card recharge

IC card recharge, Recharge without card, Remote recharge, Mobile recharge

IC card recharge, Recharge without card, Remote recharge, Mobile recharge

Power supply

External power supply, Lithium battery

External power supply, Lithium battery

External power supply, Lithium battery

Communication

RS485 interface

RS485 interface, GPRS

RS485 interface, GPRS

Data transmission

IC card reading

Real time upload,  SCADA platform docking

Real time upload,  SCADA platform docking

Event Warning

LCD display

LCD display, Remote real-time warning

LCD display, Remote real-time warning

Remote control


Remote control

Remote control

Status monitoring


Real time monitoring, Remote real-time warning

Real time monitoring, Remote real-time warning

LCD display

Cumulative total amount, instantaneous flow, temperature, pressure, residual gas volume, battery state, valve state, etc

Protection

Embedded pulse group suppression, lightning protection and other circuit protection. All export interfaces are electrically isolated from the internal main control system, with strong anti-interference and reliability


Product specifications

Model

Diameter(mm)

Working pressure(MPa)

Pressure lose of valve(Pa)

Qmax(M³/h)

LKZ-25YE(T)

DN25

≤0.4

120~150

17.7

LKZ-40YE(T)

DN40

≤0.4

120~150

45.2

LKZ-50YE(T)

DN50

≤0.4

150~200

70.7

LKZ-80YE(T)

DN80

≤0.4

150~200

181.0

LKZ-100YE(T)

DN100

≤0.4

180~220

282.7

LKZ-150YE(T)

DN150

≤0.4

200~280

636.2

LKZ-200YE(T)

DN200

≤0.4

250~320

1131.0


PRODUCT PARAMETERS

No.

Type

Parameters

Remarks

1

Voltage

DC7.2V

Battery ER34615

2

Environment

Temperature:-20℃~+50℃;Relative humidity:≤95%


3

Working pressure

≤ 0.4MPa


4

Total pressure lose

≤ 0.9KPa


5

Medium

Liquefied petroleum gas, natural gas, biogas


6

IP grade

IP65



4.3 DIMENSION DESCRIPTION

Model

Diameter(mm)

Dimension(mm)

B

¢D

E

F

¢G

H

J

K

n-¢W

LKZ-25YE(T)

DN25

225

85

220

222

115

107

69

20

4-¢14

LKZ-40YE(T)

DN40

333

109

223.5

225.5

154

144

61

22

4-¢18

LKZ-50YE(T)

DN50

345

125

317

319

165

158.5

65

23

4-¢18

LKZ-80YE(T)

DN80

360

160

317

319

200

192

64

23

8-¢18

LKZ-100YE(T)

DN100

405

180

352

354

220

210

100

24

8-¢18

LKZ-150YE(T)

DN150

475

240

405

407

285

277.5

137

27

8-¢22

LKZ-200YE(T)

DN200

545

295

416

418

341

335

177

30

12-¢22

INSTALLATION REQUIREMENTS

(1)The intelligent flow controller shall be installed in a well ventilated place, away from the fire source, rainproof and moisture-proof, and avoid direct sunlight for a long time. The safety height shall comply with relevant local regulations;

(2)The intelligent flow controller shall remove the sundries in the pipeline before connection, and the pipeline shall be free of leakage;

(3)The intelligent flow controller can be installed horizontally or vertically, and the inlet and outlet can be correctly connected according to the direction of the marked arrow;

(4)There shall be no gas leakage at the connection between the pipeline and the intelligent flow controller, and the gas pressure entering the intelligent flow controller shall not exceed 0.4MPa;

(5)After installation, apply soapy water to the air inlet (outlet) to check whether there is air leakage. It can be used normally only after confirming that there is no air leakage. It is strictly prohibited to use open flame for leak detection to avoid accidents.



Dimension drawing

Installation

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