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LWGQ Natural Gas Turbine Flow Meter

This kind of turbine flow meter product does not have the field display function itself, but only transmits the flow signal in the form of pulse signal.The meter is low in price, high in integration, compact in size, especially suitable for use with secondary display instrument, PLC, DCS and other computer control systems.This kind of turbine flowmeter are explosion-proof products, explosion-proof level for: Exd Ⅱ BT6, Exid Ⅱ CT6.

  • Product Origin:

    China
  • Item NO.:

    LWGQ- D2-50-S-S-S-N
  • Shipping Port:

    Huangpu port
  • Lead Time:

    3~5 Working Days
  • Payment:

    TT
  • MOQ:

    1
  • Price:

    $945.2/set
  • Market Price:

    $1120
  • Price Range:

    1-5/945.2$
Product Details

Features

●With the new sensor, the starting flow rate is low, the pressure loss is small, the anti-vibration and anti-pulsation flow performance is good, not easy to corrosion, good reliability, long service life.

●The new microprocessor and high performance integrated chip are adopted to achieve high computing accuracy, powerful functions and superior performance.

●Adopt advanced micro power consumption high technology, low power consumption of the whole machine.It can be operated by both internal battery and external power supply for a long time.

●According to the flow frequency signal, the meter coefficient can be divided into eight sections for automatic linear correction, according to the user needs to improve the calculation accuracy of the meter.

●Using EEPROM data storage technology, it has the function of storing and querying historical data, and three kinds of historical data recording methods are available for users to choose.

●Headers can be 180 ° rotation of the flow meter, installation is simple to use convenient.

●High accuracy, generally up to±1.5%R、±1.0%R.

●Good repeatability, short-term repeatability up to 0.05% ~ 0.2%, is precisely because of the good repeatability, in the trade settlement is the preferred flow meter.

●It can detect the temperature, pressure and flow rate of the detected gas, automatically track and compensate the flow rate, and display the gas flow rate under the standard state (Pn=101.325KPa,Tn= 293.15k) : it can query the temperature, pressure, time, date and other data in real time.


Instrument classification                                                                                                               Table 1

Turbine flowmeter classification table


Selection of instructions

1.Selection of instructions

When selecting the type, users should reasonably select the type and specification of the flowmeter according to the nominal pressure of the pipeline, the maximum pressure of the medium, the temperature of the medium, the composition of the medium, the flow range and the signal output requirements.

In order to optimize the performance of the flow meter, the flow range of the flow meter should be within the range of (20%~80%) Qmax.

Signal output mode of flowmeter at factory: pulse signal output (three-wire system), standard flow signal (IC card) or rs-485 communication output.If other output functions are required, please specify when ordering.

2.Selection system

                                                                                                                                      Table 2

Model


Instructions

LWGQ

-

/

/

/

/

Instrument type

N

Sensor type: +12V or 24V power supply, output three-wire pulse signal

A

Transmitter type: +24V power supply, output two-wire system 4~20mA

B

Intelligent: lithium battery power, no signal output field display

C

Intelligent: +24V power supply, field display and output two-wire system 4~20mA

D1

Full intelligent: integrated temperature and pressure compensation, field display and remote signal transmission (square converter)

D2

Full intelligent: integrated temperature and pressure compensation, field display and remote signal transmission (circular converter)

Nominal diameter

25

DN25mm

32

DN32mm

40

DN40mm

50

DN50mm

65

DN65mm

80

DN80mm

100

DN100mm

125

DN120mm

150

DN150mm

200

DN200mm

250

DN250mm

300

DN300mm

Scale range

W(x)

To extend the range, please refer to Table 2 of the P3 page to select

S(x)

Standard range, please refer to table 2 on page P3 to select

Surface material

S

Stainless steel

L

Aluminum alloy

Machine core material

S

Anticorrosive ABS

L

Aluminum alloy

N

No special structure

B

Special purpose for compressed air

Example: choose a stainless steel material, temperature and pressure compensation integrated gas turbine Flowmeter to measure the air, the user working condition measurement range 6-60m3 / h, model: LWGQ-D-40W/S/N


Installation dimensions

The flowmeter is shown in the figure, and the specific size is shown in table 4

Temperature and pressure compensation instrument appearance

Note: figure 4 shows the configuration of temperature and pressure compensation instrument.

The size of the instrument sensor is the same as that of all types of calibre.

                                                                                                                                                    Table 3

Size

Meter length L

Outside diameter D

Bolt spacing K

Number of bolt holes n

Bolt aperture d

Bolt specification

Thread type meter length mm

mm

mm

mm

mm

mm

mm

Compensation type

Conventional type

G external thread

DN25

170

115

85

4

Φ14

M12×50

170

170

G2

DN32

200

140

100

4

Φ18

M16×70

200

140

G2

DN40

200

150

110

4

Φ18

M16×70

200

140

G2

DN50

200

165

125

4

Φ18

M16×70

220

G5/2

DN65

240

185

145

4

Φ18

M16×70

DN80

240

200

160

8

Φ18

M16×70

DN100

300

220

180

8

Φ18

M16×80

DN125

240

250

210

8

Φ18

M16×80

DN150

450

285

240

8

Φ22

M20×90

DN200

500

340

295

12

Φ22

M20×90

DN250

500

405

355

12

Φ26

M24×110

DN300

300

460

410

12

Φ26

M24×110

DN350

350

520

470

16

Φ26

DN400

400

580

520

16

Φ30

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