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Location:PRODUCTS >> Butterfly valve >> Electric ventilation butterfly valve
Electric ventilation butterfly valve
Nominal: PN0.05 ~ 0.6Mpa
Nominal diameter: DN300 ~ 4000mm
Drive: pneumatic, electric
Medium: cold air, flue
design criteria: GB / T12238-1989 JB / T8692-1998
flange dimensions: GB /T9115.1-2000
Structure length: GB/T12221-1989
Pressure test: GB/T13927-1992; JB/T9092-1999

DN

D

D1

L

L1

L2

 n-Фd

b

300

405

370

120

716

220

8-12

10

350

455

420

140

786

240

8-14

10

400

505

470

140

924

270

12-18

10

450

570

530

160

999

295

12-18

10

500

620

580

160

1079

325

12-18

10

600

720

680

180

1140

380

16-18

12

700

820

780

180

1240

430

16-18

12

800

920

880

200

1344

490

16-18

12

900

1040

990

200

1444

540

16-18

14

1,000

1140

1090

220

1544

590

20-18

14

1100

1240

1190

220

1644

640

20-18

14

1200

1340

1290

240

1744

690

20-18

14

1300

1440

1390

240

1864

760

20-18

16

1400

1540

1490

260

2020

810

24-18

16

1500

1640

1590

260

2120

860

24-18

16

1600

1740

1690

280

2240

980

24-18

16

1700

1840

1790

280

2340

1030

28-22

16

1800

1940

1890

300

2440

1096

28-22

16

1900

2040

1990

300

2540

1146

32-22

16

2000

2150

2090

320

2640

1196

32-26

16

2200

2360

2300

340

3252

1296

36-26

16

2400

2560

2500

360

3452

1396

36-26

18

2600

2760

2700

380

3652

1496

40-26

18

2800

2960

2900

400

3852

1596

40-26

18

3000

3190

3110

400

3896

1698

44-30

18

3200

3390

3310

440

4110

1798

44-30

20

3400

3590

3510

440

4396

1898

48-30

20

3600

3790

3710

480

4636

1998

48-30

20

3800

4000

3910

480

4886

2098

52-30

22

4000

4210

4120

520

5160

2210

52-30

22


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