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High pressure globe valve

Product Overview

The high pressure globe valve is suitable for the pipeline of various systems in petroleum, chemical, hydraulic and thermal power plants with nominal pressure of 900 ~ 2500lb and working temperature ≤ 540 ℃. The applicable media are water, oil, steam, etc. Operation mode: manual, gear transmission, electric, etc.

Structural characteristics

1. The connection between valve and pipeline adopts flange structure.
2. The pressure self tightening sealing structure is adopted in the middle chamber of the valve, and the higher the inner pressure, the better the sealing performance.
3. The sealing surface of valve disc and valve seat is made of Slite Stellite cobalt base cemented carbide, which is wear-resistant, high-temperature resistant, scratch resistant and has long service life.
4. Compact structure, good opening and closing, small height and convenient maintenance.
5. The valve cover packing box is reasonable, the packing is added with corrosion inhibitor, the sealing is reliable and the switch is stable.
6. The valve has upper sealing structure to ensure that the valve stem will not leak when the valve is opened.

Execution standard

Design and Manufacture: ANSI B16.34, BS1873
Length of structure: ANSI B16.10
Flange size: ANSI B16.5
Pressure-temperature: ANSI B16.34
Trial-verification: API 598

Performance parameter

Nominal diameter: DN50~250mm
Nominal pressure: PN3.0~64MPa
Applicable temperature: ≤540℃
Suitable medium: water, steam, oil, nitric acid, acetic acid, urea
Main materials: WCB, WC1,WC6,WC9,CF3,CF8, etc

Product Dimensions

DN

Class900Lb


mm

in

L

D

D1

D2

b

n-Φd

H

D0

50

2

371

216

165.0

95.3

46

8-Φ25.4

569

320

65

21/2

422

244

190.5

108

49

8-Φ28.5

569

320

80

3

384

241

190.5

123.8

46

8-Φ25.4

604

350

100

4

460

292

235.0

149.2

52

8-Φ32

708

450

125

5

562

349

279.4

181.0

58

8-Φ35

748

550

150

6

613

381

317.5

211.1

63

12-Φ32

890

600

200

8

740

470

393.7

269.9

71

12-Φ38

1240

700

250

10

841

546

470.0

323.9

71

16-Φ38

1651

700


DN

Class1500Lb 

mm

in

L

D

D1

D2

b

n-Φd

H

D0

65

21/2

422

244

190.5

108.0

49.0

8-Φ28.5

461

400

80

3

473

267

203.2

136.5

55.7

8-Φ32

554

450

100

4

549

311

241.3

161.9

61.8

8-Φ35

639

500

125

5

676

375

292.1

193.7

81.1

8-Φ41

780

560

150

6

711

394

317.5

211.1

92.1

12 -Φ38

904

630

200

8

841

483

393.7

269.9

103.0

12-Φ44.5

1140

680


Class2500Lb

65

21/2

514

267

196.9

111.1

66.7

8-Φ32

492

400

80

3

584

305

228.6

127.0

76.1

8-Φ35

559

450

100

4

683

356

273.0

157.2

87.3

8-Φ41

715

560

125

5

806

419

323.9

190.5

104.6

8-Φ48

830

630

150

6

927

483

368.3

228.6

120.7

8-Φ54

1070

630

200

8

1038

552

438.2

279.4

141.3

12-Φ54

1300

680

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