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Ventilation butterfly valve

Ventilation butterfly valve

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所属分类
Butterfly Valve
Describe
Product Usage
 
D341H, D341W Type PN0.5~PN1 Ventilation butterfly valve regulates flow or shut-off device as a gas medium in the dusty cold air or hot air gas pipeline of ventilation, environmental protection engineering in metallurgy, chemical industry, building materials, power station, glass and other industries.
 
Features
 
1. It is designed and manufactured by adopting the new structure of medium-line disc and short-structure steel plate welding. It is compact in structure, light in weight, easy to install, small in flow resistance, large in circulation, avoiding the influence of high temperature expansion, and easy to operate.
 
2, no connecting rods, bolts, etc., reliable operation and long service life. Can be installed in multiple stations, independent of media flow
 
Product main parameters
 

Nominal pressure(MPa)

0.05MPa

Medium temperature

-30℃~-350℃

Strength test

0.1MPa

Applicable medium

Hot and cold wind, smoke

Media flow rate

25m/s

Leak rate

3%

 

 Main shape and connection size

 

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

1350

490

16-18

12

900

1040

990

200

1450

540

16-18

14

1000

1140

1090

220

1550

590

20-18

14

1100

1240

1190

220

1800

640

20-18

14

1200

1340

1290

240

1900

690

20-18

14

1300

1440

1390

240

2020

760

20-18

16

1400

1540

1490

260

2120

810

24-18

16

1500

1640

1590

260

2220

860

24-18

16

1600

1740

1690

280

2390

980

24-18

16

1700

1840

1790

280

2590

1030

28-22

16

1800

1940

1890

300

2709

1096

28-22

16

1900

2040

1990

300

2826

1146

32-22

16

2000

2150

2090

320

2926

1196

32-26

16

2200

2360

2300

340

3126

1296

36-26

16

2400

2560

2500

360

3326

1396

36-26

18

2600

2760

2700

380

3526

1496

40-26

18

2800

2960

2900

400

3726

1596

40-26

18

3000

3190

3110

400

4098

1698

44-30

18

3200

3390

3310

440

4338

1798

44-30

20

3400

3590

3510

440

4578

1898

48-30

20

3600

3790

3710

480

4780

1998

48-30

20

3800

4000

3910

480

5000

2098

52-30

22

4000

4210

4120

520

5200

2210

52-30

22