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Electric ventilation butterfly valve

Products > Butterfly valve > Electric ventilation butterfly valve

Electric ventilation butterfly valve

Model: D941W
Nominal diameter: DN50 ~ 2000mm
Nominal pressure: PN0.05 ~ 0.6MPa
Special steel materials, stainless steel, nickel-chromium-molybdenum steel, Titanium, chromium, molybdenum and titanium steel: Main material
Drive: air drive, electric drive
Design Standard: GB / T12238-1989 JB / T8692-1998
Flange connection size: GB / T9115.1-2000
Structure length h: GB / T12221-1989
Pressure test: GB / T13927-1992; JB / T9092-1999
shared：

First, the main technical parameters of electric ventilation butterfly valve

Nominal diameter

DN (mm)

50 ~ 2000

Nominal pressure

PN (Mpa)

0.05

0.25

0.6

test pressure

Strength test

0.075

0.375

0.9

Seal test

≤ 1.5% leakage

Suitable media

Gas, dust gas, flue gas and so on

proper temperature

Gas transmission, electric transmission

 

Second, the main parts of electric ventilation butterfly valve material

Part Name

material

Body

Cast steel, stainless steel, chrome nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials

Butterfly plate

Cast steel, stainless steel, chrome nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials

Sealing ring

Same as valve body

Valve stem

Carbon steel, 2Cr13, stainless steel, chrome nickel molybdenum titanium steel

filler

Fluoroplastic, flexible graphite

 

Third, the electric ventilation butterfly valve connection size

Nominal diameter

Structure length

Dimensions (reference value)

Connection size (standard value)

Reference (kg)

0.05MPa and 0.25MPa

0.6MPa

Mm

inch

L

H

H0

A

B

D

D1

nd

D

D1

nd

50

2

108

70

418

250

225

140

110

4-14

140

110

4-14

42

65

2 1/2

112

80

438

250

225

160

130

4-14

160

130

4-14

53

80

3

114

95

466

250

225

190

150

4-18

190

150

4-18

62

100

4

127

105

486

250

225

210

170

4-18

210

170

4-18

81

125

5

140

120

516

325

245

240

200

8-18

240

200

8-18

90

150

6

140

132

541

325

245

265

225

8-18

265

225

8-18

100

200

8

152

160

779

325

245

320

280

8-18

320

280

8-18

110

250

10

165

187

836

363

313

375

335

12-18

375

335

12-18

145

300

12

178

220

901

363

313

440

395

12-22

440

395

12-22

160

350

14

190

245

954

363

313

490

445

12-22

490

445

12-22

215

400

16

216

270

1003

363

313

540

495

16-22

540

495

16-22

230

450

18

222

297

1058

465

439

595

550

16-22

595

550

16-22

250

500

20

229

322

1111

546

556

645

600

20-22

645

600

20-22

260

600

24

267

377

1233

546

556

755

705

20-26

755

705

20-26

370

700

28

292

430

1338

546

556

860

810

24-26

860

810

24-26

400

800

32

318

487

1452

546

556

975

920

24-30

975

920

24-30

560

900

36

330

537

1588

632

706

1075

1020

24-30

1075

1020

24-30

800

1000

40

410

587

1689

632

706

1175

1120

28-30

1175

1120

28-30

660

1200

48

470

702

1938

632

706

1375

1320

32-30

1405

1340

32-33

950

1400

56

530

782

2670

790

1338

1575

1520

36-30

1630

1560

36-36

1280

1600

64

600

895

2810

868

1476

1790

1730

40-30

1830

1760

40-36

1510

1800

72

670

995

3020

868

1476

1990

1930

44-30

2045

1970

44-39

2500

2000

80

760

1095

3220

965

1600

2190

2130

48-30

2265

2180

48-42

2900