Anticorrosive Electromagnetic Flowmeter

A

B

φD1

φD2

φd

n-φ

10

4.0

200

290

90

60

10

4-φ14

5.5

15

200

315

95

65

15

4-φ14

6

20

200

315

105

75

20

4-φ14

6.5

25

200

315

115

85

25

4-φ14

6

32

200

315

140

100

32

4-φ18

9

40

200

315

150

110

40

4-φ18

10.5

50

200

320

165

125

50

4-φ18

11.5

65

200

350

185

145

65

4-φ18

15

80

200

365

200

160

80

8-φ18

15

100

1.6

250

380

220

180

100

8-φ18

20

125

250

410

250

210

125

8-φ18

24

150

300

440

285

245

150

8-φ22

34

200

1.0

350

495

340

295

200

8-φ22

41

250

450

545

395

350

250

12-φ23

64

300

500

597

445

400

300

12-φ23

74

350

550

652

505

460

350

16-φ23

92

400

600

700

565

515

400

16-φ26

108

450

600

767

615

565

450

20-φ26

128

500

600

815

670

620

500

20-φ26

151

600

600

933

780

725

600

20-φ30

198

700

700

1034

890

840

700

24-φ30

256

800

800

1144

1015

950

800

24-φ33

340

900

900

1215

1115

1015

900

28-φ33

453

1000

1000

1357

1230

1160

1000

28-φ35

526

1200

0.6

1200

1510

1405

1340

1200

32-φ33

684

1400

1400

1710

1630

1560

1400

36-φ36

853

1600

1600

1895

1830

1760

1600

40-φ36

1036

1800

1800

2095

2045

1970

1800

40-φ39

1316

2000

2000

2328

2265

2180

2000

48-φ42

1746

Measured medium

Conducting liquid and slurry

Type

Piping type electromagnetic flow meter

Type structure

Integrated type, Split type

Nominal Diameter

DN（mm）

6、8、10、15、20、25、32、40、50、65、80、100、125、150、200、250、300、350、400、450、

500、600、700、800、900、1000、1200、1400、1600、1800、2000

Rated pressure

DN6～DN50

DN65~DN150

DN200~DN1000

DN1200~DN2000

≤4.0MPa

≤1.6MPa

≤1.0MPa

≤0.6MPa

Special pressure: can be customized

Velocity range

0~10m/s Self setting

Medium conductivity

Theoretical≥5µs/cm Actual use≥30µs/cm

Accuracy

±0.5% or ±1.0%

repeatability error

0.2%

Ambient temperature

-20℃~60℃

Lining materials and temperature range

Neoprene（CR）

0~+65℃

polyurethane（PU）

0~+65℃

Polytetrafluoroethylene（PTFE）

-25℃~+140℃

Polytetrafluoroethylene-propylene Teflon（F46）

-25℃~+120℃

Soluble polytetrafluoroethylene（PFA）

-25℃~+180℃

alumina ceramic

0~+150℃

Material of electrodes

316L、Hastelloy B/C（HB、HC）、Tantalum（Ta）、Titanium（Ti）、Platinum（Pt）、

Tungsten carbide（WC）、Ceramic

Form of electrodes

Stationary type, scraper type, dismountable type

Quantities of electrodes

Standard configuration of 3 electrodes (2 measuring electrodes + 1 grounding electrode),

should be configuration according to caliber.

Flange standard

In line with the national standard GB9119(can be customized according to user requirements)

Flange material

Carbon steel（stardard）, stainless steel（optional）

Grounding ring material

DN15~DN1600：stainless steel 1Cr18Ni9Ti, stainless steel, Molybdenum Stainless Steel, etc.

Housing material

Carbon steel（stardard）, stainless steel（optional）

Power supply

110/220VAC（110-240VAC），50Hz/60Hz；24VDC±10%；Battery powered（3.6VDC）

Power Dissipation

≤15VA

Output signal

（4~20）mA current output, frequency output and pulse equivalent output

Communication protocol

RS485，Support standard MODBUS-RTU protocol, HART protocol, GPRS

Cable entry size

M20×1.5

Level of protection

Split type convertor

IP65

Split type sensor

IP67~lP68

Integrated type convertor

IP65

Wiring length（split type）

10 m cable is provided as standard, and the cable between converter

and sensor generally does not exceed 30m

Explosive-proof grade

Ex d [ia Ga]IIC T4 Gb

Flow direction

Forward or reverse

Constant current load

≤750Ω

Storage temperature

-40~65℃

Relative humidity

5~95%

Alarm setting（normally open）

Empty pipe, excitation, upper and lower limit

Neoprene

CR

Medium abrasion resistance, corrosion resistance to general low concentration acid and alkali salt solutions

0~+65℃

Tap water, industrial water, seawater

DN15-2200

polyurethane

PU

Excellent wear resistance and poor resistance of acid and alkali

0~+65℃

Pulp, ore pulp and other mineral fluids

DN25-500

Polytetrafluoroethylene

F4

（PTFE）

Stable chemical properties, corrosion resistance to boiling hydrochloric acid, sulfuric acid, aqua regia,concentrated alkali

-25~+140℃

Corrosive acid, alkali, salt solution

DN10-600

Polytetrafluoroethylene-propylene Teflon

F46

（FEP）

The chemical properties are equivalent to F4, and the compression and tensile strength are better than F4.

-25~+120℃

Corrosive acid, alkali, salt solution

DN6-200

Soluble polytetrafluoroethylene

PFA

The chemical properties are equivalent to F46, and the compression and tensile strength are better than F46.

0~+180℃

Corrosive acid, alkali, salt solution

customized

alumina ceramic

ceramic

Excellent wear resistance (more than ten times as much as PU and CR), excellent corrosion resistance (applicable to the measurement of strongly corrosive fluids such as mixed acid and aqua regia, but not suitable for high concentration alkaline, phosphoric acid, hydrofluoric acid and cyanogen compounds), extremely high hardness and finish, excellent heat resistance and heat shock resistance.

0~+150℃

0~+250℃

（customized）

It is especially suitable for high temperature, high pressure slurry, food hygiene and highly corrosive fluid medium measurement

customized

Stainless steel 316L

Applicable:

1. Domestic water, industrial water, raw water, urban sewage

2. Weakly corrosive acid, alkali, salt solution, such as nitric acid, sulfuric acid (concentration<5% at ambient temperature), boiling phosphoric acid, and sulfuric acid, seawater, acetic acid at a certain pressure(can be widely used in petrochemical, urea, Vinylon and other industries)

HastelloyB（HB）

Applicable:

1. Non-oxidic acid, such as hydrochloric acid(concentration <10%)

2. Sodium hydroxide(concentration <50%), and all concentrations of ammonium hydroxide alkaline solution

3. Phosphoric acid and organic acid

Not applicable: Nitric acid

HastelloyC（HC）

Applicable:

1. mixed acid, such as mixed solution of chromic acid and sulfuric acid

2. oxidizing salts, such as; sea water

Not applicable: hydrochloric acid

Titanium（Ti）

Applicable:

1. Salt, such as:

①chloride(chloride/magnesium/aluminum/calcium/ammonium/iron, etc.);

②sodium salt, potassium salt, ammonium salt, hypochlorite, sea water

2. Aqueous Slkali, such as potassium hydroxide, ammonium hydroxide and strontium hydroxide solution with concentration <50%.

Not applicable: hydrochloric acid, sulfuric acid, phosphoric acid, hydrofluoric acid and other reducing acids.

Tantalum（Ta）

Applicable:

1. hydrochloric acid(concentration <40%), dilute sulfuric acid and concentrated sulfuric acid(excluding fuming sulfuric acid)

2. Chlorine dioxide, ferric chloride, hypochlorous acid, sodium cyanide, lead acetate, etc.

3. An oxidizing acid such as nitric acid(including fuming nitric acid) and aqua regia with a temperature below 80℃

Not applicable: alkali, hydrofluoric acid

Platinum（Pt）

Applicable:

Almost all acid, alkali, salt solutions (including fuming sulfuric acid, fuming nitric acid)

Not applicable: aqua regia, ammonium salt

Tungsten carbide（WC）

Applicable:

Pulp, sewage, can resist solid particle interference

Not applicable: inorganic acids, organic acids, chlorides

Ceramic

Application:

1. Measurement of slurry with high abrasion and easy adhesion

2. With high compressive strength, it is suitable for the measurement of high pressure slurry

3. Excellent heat resistance and heat shock resistance, especially suitable for high and low temperature disinfection pipeline of food and medical and health industry applications

6

0.01

0.03

0.1018

0.2036

0.3054

0.5089

0.7125

1.018

8

0.018

0.054

0.1810

0.3619

0.5429

0.9048

1.2667

1.8096

10

0.028

0.08

0.2827

0.5655

0.8482

1.4137

1.96

2.8274

15

0.064

0.19

0.6362

1.2723

1.9085

3.1809

4.45

6.3617

20

0.113

0.34

1.1310

2.2619

3.3929

5.6549

7.91

11.3097

25

0.238

0.53

2.3821

4.7642

7.1463

11.9105

12.39

23.821

32

0.29

0.87

2.90

5.79

8.69

11.58

14.48

17.6715

40

0.452

1.36

4.5239

9.0478

13.5717

22.6195

31.67

45.2389

50

0.707

2.12

7.0686

14.1372

21.2058

35.3429

49.48

70.6858

65

1.195

3.58

11.946

23.8918

35.8377

59.7295

83.62

119.459

80

1.810

5.43

18.0956

36.1911

54.2867

90.4779

126.67

180.956

100

2.827

8.48

28.274

56.5487

84.8230

141.372

197.92

282.743

125

4.417

13.25

44.1775

88.3575

132.535

220.8925

309.25

441.7875

150

6.362

19.09

63.617

127.235

190.852

318.086

445.32

636.173

200

11.310

33.93

113.097

226.195

339.292

565.487

791.7

1130.973

250

17.671

53.01

176.715

353.429

530.144

883.573

1236.97

1767.146

300

25.447

76.34

254.469

508.938

763.407

1272.345

1781.29

2544.690

350

34.636

103.91

346.361

692.721

1039.082

1731.803

2424.52

3463.606

400

45.239

135.72

452.389

904.779

1357.168

2261.947

3166.76

4523.893

450

57.256

171.78

572.555

1145.111

1717.666

2862.776

4007.885

5725.553

500

70.686

212.06

706.858

1413.717

2120.575

3534.292

4948.02

7068.584

600

100.79

305.37

1017.876

2035.752

3053.628

5089.380

7125.3

10178.76

700

138.54

415.62

1385.442

2770.885

4156.327

6927.212

9697.8

13854.42

800

180.96

542.88

1809.557

3619.115

5428.672

9047.787

12667.2

18095.57

900

229.02

687.06

2290.221

4580.442

6870.663

11451.11

16031.4

22902.21

1000

282.74

848.22

2827.433

5654.867

8482.300

14137.17

19791.8

28274.33

1200

407.15

1221.5

4071.504

8143.008

12214.51

20357.52

28500.5

40715.04

1400

554.18

1662.5

5541.769

11083.54

16625.31

27708.85

38792.4

55417.69

1600

723.82

2171.5

7238.230

14476.46

21714.69

36191.15

50667.6

72382.30

1800

916.09

2748.3

9169.884

18321.77

27482.65

45804.42

64126.2

91608.84

2000

1131.0

3392.9

11309.73

22619.47

33929.20

56548.67

79168.1

113097.3