DIN Standard Bellows Seal Gate Valve - Gate Valves

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DIN Standard Bellows Seal Gate Valve
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DIN Standard Bellows Seal Gate Valve

  • Product description:

    For use in applications where leakage into or out of the valve is unacceptable such as heat transfer oil, toxic fluids, steam and regulated media. Our bellows technology keeps corrosive or harmful atmospheric conditions from entering the process.

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 Industrial Bellow Gate Valve 

Type: WZ41H

Size:DN15-DN400

Pressure Range:0.6∽6.4Mpa

Working Temp.:≤80°

Material:Carbon steel,Stainless steel,Alloy steel

Medium:Steam,thermal oil,rank poison and strong corrupt gas and liquid medium.   

Operation: Manual Pneumatic Electric


Applicable standards

Design standard: DIN 3352

Face to face dimension: DIN 3202

Flanged ends: DIN 2543-2545

Test & inspection: DIN 3230


Advantages:

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.Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide a excellent seal.


3. Grease nipple. It can direct lubricate the stem, nut and sleeve.


4. Ergonomic hand wheel. It provide longer service life and easier operation.


Main part materials

No.

Part name

Material

1

Body

GS-C251.43011.4401

2

Disc

GS-C25+1.4201/1.4301

3

Seat

1.4301Stellite

4

Stem

1.40211.43011.4401

5

Bellows

1.43011.4401

6

Double-headed bolt

ASTM 193-B7A193-B8

7

Nut

ASTM 194-2HA194-8

8

Metal gasket

Asbestos+ Stainless steel

9

Nut

ASTM 194-2HA194-8

10

Middle yoke

GS-C251.43011.4401

11

Double-headed bolt

ASTM 193-B7A193-B8

12

Nut

ASTM 194-2HA194-8

13

Gasket

Flexible graphite+ stainless steel

14

Cover

GS-C251.43011.4401

15

Nut

ASTM 194-2HA194-8

16

Packing

Flexible graphite

17

Gland

GS-C251.4301

18

Nut

ASTM 194-2HA194-8

19

Jack bolt

ASTM 193-B7A193-B8

20

Stem nut

Copper alloyD2BL2

21

Oil cup

Assemble

22

Cap

1C451.43011.4401

23

Hand wheel

Carbon steel


Main connection size:


Material

DN

Main connection size

150 LB

L

D

D1

D2

b

f

n-Φd

A105

1/2

108

90

60.5

35

10

2

4-Φ16

3/4

117

100

70

43

11

2

4-Φ16

1

127

110

79.5

51

12

2

4-Φ16

1-1/4

140

115

89

63.5

13

2

4-Φ16

1-1/2

165

125

98.5

73

15

2

4-Φ16

A105 WCB

2

178

150

120.5

92

16

2

4-Φ19

WCB

2-1/2

190

180

139.5

105

18

2

4-Φ19

3

203

190

152.5

127

20

2

4-Φ19

4

229

230

190.5

157

24

2

8-Φ19

5

254

255

216

186

24

2

8-Φ22

6

267

280

241.5

216

26

2

8-Φ22

8

292

345

298.5

270

29

2

8-Φ22

10

330

405

362

324

31

2

12-Φ25

12

356

485

432

381

32

2

12-Φ25

14

381

535

476

413

35

2

12-Φ29

16

406

595

540

470

37

2

16-Φ29

18

432

635

578

533

40

2

12-Φ32

20

457

700

625

584

43

2

20-Φ32

300 LB

1/2

140

95

66.5

35

15

2

4-Φ16

3/4

152

115

82.5

43

16

2

4-Φ19

1

165

125

89

51

18

2

4-Φ19

1-1/4

178

135

98.5

63.5

20

2

4-Φ19

1-1/2

190

155

114.5

73

21

2

4-Φ22

A105 WCB

2

216

165

127

92

23

2

8-Φ19

WCB

2-1/2

241

190

149

105

26

2

8-Φ22

3

282

210

168.5

127

29

2

8-Φ22

4

305

255

200

157

32

2

8-Φ22

6

403

320

270

216

37

2

12-Φ22

8

502

380

330

270

42

2

12-Φ22

10

568

445

387

324

48

2

16-Φ29

12

648

520

451

381

51

2

16-Φ32

14

762

585

514.5

413

54

2

20-Φ32

16

838

650

571.5

470

58

2

20-Φ35

18

914

710

628.5

533

61

2

24-Φ35

20

991

775

686

584

64

2

24-Φ35