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Power station check valve

Products > Power station valve > Power station check valve

Power station check valve

Model: H64H
Nominal Diameter: NPS 2 "~ 48" DN50 ~ 1200mm
Nominal pressure: Class150 ~ 2500Lb PN10 ~ 420MPa
Working temperature: -196 ℃ ~ 600 ℃
Design standard: API 6D, BS 1868, GB / T 12235, GB / T 12236, 8937 JB / T
Structural length: ASME B16.10, API 6D, GB / T 12221
Connection standard: ASME B16.5, ASME B16.47, ASME B16.25, GB / T 9113, JB / T79, HG / T 20592
Pressure Test: API 598, API 6D, GB / T 13927, GB / T 26480
Pressure and Temperature Ratings: ASME B16.34 , GB / T 12224
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Power station check valves, also known as power station special valves, are mainly suitable for piping of various systems in thermal power plants to prevent medium backflow, prevent the pump and its driven motor from reversing, and release the medium inside the container. Station check valves may also be used on lines where the pressure may rise to an ancillary system that exceeds the pressure of the main system. Applicable medium: water, steam and other non-corrosive media. Power station valves and other products compared to the valve is characterized by high temperature and pressure, a unique self-sealing design, the higher the pressure, the more reliable sealing. Due to the characteristics of performance technology, special conditions of the product also formed the characteristics of other products can not be replaced. End of the stop valve to connect the majority of welded structures.

Structural characteristics
1, high-pressure check valve chamber using self-tight pressure seal structure, the higher the media pressure, the better sealing performance. 
2, the valve disc, seat sealing surface made of cobalt-based hardfacing welding, wear-resistant, high temperature, anti-abrasion performance, long service life. 
3, both ends of the branch pipe butt welding connection, welding groove can be produced according to the standard or user requirements, to adapt to different takeover requirements.

Main dimensions

H64Y-1500Lb

Specification DN

in

d

L

H

Weight (mm)

mm

2

56

254

282

57

3

64

305

325

57

4

84

406

350

80

5

100

483

425

115

6

126

559

400

180

8

158

711

490

270

10

200

864

540

430

12

250

991

650

630

14

280

1067

710

1400

 

H64Y-2000Lb

Specification DN

in

d

L

H

Weight (mm)

mm

2

50

330

240

40

3

60

368

305

60

4

80

457

315

95

5

96

533

409

170

6

118

610

465

186

8

147

762

528

415

10

180

914

613

658

12

222

1041

680

1200

14

254

1118

745

1638

 

H64Y-2500Lb

Specification DN

in

d

L

H

Weight (mm)

mm

3

54

368

297

44

4

70

457

385

110

5

86

533

410

130

6

104

610

455

192

8

130

762

557

466

10

162

914

615

730

12

210

1041

715

1120

14

234

1118

790

1495

16

264

1245

815

1950

18

304

1397

815

2400


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