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CN | EN

Ventilation butterfly valve（Electric）

Technical Parameters

Model number: D941W

Nominal diameter: DN100~3200mm

Pressure range: PN0.05~0.6MPa

Applicable temperature: -40～+450℃

Connection method: flange type

Applicable medium: coal gas, dusty gas, flue gas, etc.




Product Details

Product Structure Features

The electric ventilation butterfly valve is designed in the form of a central line butterfly plate, making it have small flow resistance, large flow, and easy operation. It is often used in dust containing systems and cold or hot air gas pipelines in industries such as chemical, building materials, and power plants as a gas medium to regulate flow or cut off devices.


The Main Structure Features Include

1. The 90 degree swing opens quickly to meet the fast closing condition;

2. Bearing external structure prevents medium in the pipeline from entering the bearing;

3. Large diameter rolling bearings are used, with low friction and torque.


Main external connection dimensions

DN

Structure length

（standard value）

Dimensions（Reference）

Connection size（standard value）

Reference

（kg）

0.05MPa,0.25MPa

0.6MPa

mm

in

L

H

H0

A

B

D

D1

n-d

D

D1

n-d

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


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