Comprehensive Solution For Steam And Heat System!

Y Type Bellows Seal Globe Valve

Application
Hot oil system, steam system, hot and cold water system etc.

Advantage
1.Bellow seal element. The key part of bellow sealed globe valves is mental bellow. It is the connection between cover and stem with automatic roll welding. The mental bellow can keep the stem part no leakage.
2.Benefit from the cone and streamline shape design, the disc has a reliable seal and longer service life.
3.Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide a excellent seal.
4.Grease nipple. It can direct lubricate the stem, nut and sleeve.
5.Ergonomic hand wheel. It provide longer service life and easier operation.

Technical specification
Design standard: DIN 3356
Face to face dimension: DIN 3202
Flanged ends: DIN 2543-2545
Test & inspection: DIN 3230

 Performance specification

Nominal Pressure

PN

 

Test Pressure

Strength test

1.5PN

MPa

Sealing test

 1.1PN

Gas seal test

 0.6

--

 --

Suitable temp

-196℃~600℃




NO.

Part name

Material

1

Body

GS-C25、GGG-40、1.4401

2

Seat

1.4301、Stellite

3

Disc

1.4021、1.4401

4

Pin

1.4301、1.4401

5

Stem

1.4201、1.4401

6

Bellows

1.4021、1.4401

7

Gasket

Stainless+Flexible graphite

8

Cover

GS-C25、GGG-40、1.4401

9

Hex nuts

ASTM 194-2H、A194-8

10

Stud

ASTM 193-B7、A194-B8

11

Packing

Flexible graphite

12

Platen

1C25、1.4401

13

Stem guide

1C25

14

Stem nut

Copper alloy、D2、BL2

15

Hand wheel

Carbon steel

16

Locknut

1C45


PN 16

DN

Main connection size

L

D

D1

D2

b

f

H

n-Φd

15

130

95

65

45

16

2

195

4-Φ14

20

150

105

75

58

18

2

195

4-Φ14

25

160

115

85

68

18

2

207

4-Φ14

32

180

140

100

78

18

2

218

4-Φ18

40

200

150

110

88

18

3

225

4-Φ18

50

230

165

125

102

20

3

230

4-Φ18

65

290

185

145

122

20

3

272

4-Φ18

80

310

200

160

138

20

3

290

8-Φ18

100

350

220

180

158

20

3

355

8-Φ18

125

400

250

210

188

22

3

410

8-Φ18

150

480

285

240

212

22

3

425

8-Φ22

200

600

340

295

268

24

3

540

12-Φ22

250

730

405

355

320

26

3

665

12-Φ26

300

850

460

410

378

28

4

720

12-Φ26

350

980

520

470

438

30

4

970

16-Φ26

400

1100

580

525

490

32

4

1055

16-Φ30

PN 25

15

130

95

65

45

16

2

195

4-Φ14

20

150

105

75

58

18

2

195

4-Φ14

25

160

115

85

68

18

2

207

4-Φ14

32

180

140

100

78

18

2

218

4-Φ18

40

200

150

110

88

18

3

225

4-Φ18

50

230

165

125

102

20

3

230

4-Φ18

65

290

185

145

122

22

3

272

8-Φ18

80

310

200

160

138

24

3

290

8-Φ18

100

350

235

190

162

24

3

355

8-Φ22

125

400

270

220

188

26

3

410

8-Φ26

150

480

300

250

218

28

3

425

8-Φ26

200

600

360

310

278

30

3

540

12-Φ26

250

730

425

370

335

32

3

665

12-Φ30

300

850

485

430

395

34

4

720

16-Φ30

350

980

555

490

450

38

4

970

16-Φ33

400

1100

620

550

505

40

4

1055

16-Φ36

PN 40

15

130

95

65

45

16

2

195

4-Φ14

20

150

105

75

58

18

2

195

4-Φ14

25

160

115

85

68

18

2

207

4-Φ14

32

160

140

100

68

18

2

218

4-Φ18

40

180

150

110

78

18

3

225

4-Φ18

50

230

165

125

102

20

3

230

4-Φ18

65

290

185

145

122

22

3

272

8-Φ18

80

310

200

160

138

24

3

290

8-Φ18

100

350

235

190

162

24

3

355

8-Φ22

125

400

270

220

188

26

3

410

8-Φ26

150

480

300

250

218

28

3

425

8-Φ26

200

600

375

320

285

34

3

540

12-Φ30

250

730

450

385

345

38

3

665

12-Φ33

300

850

515

450

410

42

4

720

16-Φ33

350

980

580

510

465

46

4

970

16-Φ36

400

1100

660

585

535

50

4

1055

16-Φ39


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