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Wafer check valve

Product Overview

Double-flap check valve is suitable for pressure PNL.0 ~16.0MPa.The operating temperature is -196-425℃ in various operating conditions.Prevent backflow of media.

Structural characteristics

1. Short length, small volume and light weight of product structure;
2. The sealing surface can be made of soft or hard sealing material with good sealing performance according to different working conditions;
3, the opening pressure is very small, the disc can be fully opened under a very small pressure difference;
4. Fast disc closing, low water hammer pressure;
5. Horizontal or vertical pipe can be used for easy installation;
6. The material of the parts and the form and size of the valve end face can be reasonably selected according to the actual working conditions or user requirements to meet various engineering requirements.

Execution standard

Design specification: JB/T89
Structure length: JB/T8937
Flange connection: GB/T9113JB/T79.1HG/T205
Test and inspection: JB/T9092, GB/T13927

Performance parameter

Nominal diameter: DN50~600mm
Nominal pressure: PN1.0~ 4.0mpa
Applicable temperature: -196~425℃
Main materials: WCB, ZG1Cr18Ni9Ti, CF8, CF3, CF3M, CF8M
Applicable medium: corrosive medium such as water, steam, oil, nitric acid, strong oxidizing medium, corrosive medium such as acetic acid, corrosive medium such as urea

Product Dimensions

DN(mm

)

PN1.0(MPa)
WT(kg)
PN1.6(MPa)
WT(kg)
PN2.5(MPa)
WT(kg)
PN4.0(MPa)
WT(kg)
L
D
L
D
L
D
L
D
H76H-10C 
H76W-10P/R/PL/RL
H76H-16C H76W-16P/R/PL/RL
H76H-25C H76W-25P/R/PL/RL
H76H-40C H76Y-40P/R/PL/RL

50

60

109

1.8

60

109

1.8

60

109

2

60

109

2.4

65

67

129

2.6

67

129

2.6

67

129

3.2

67

129

3.8

80

73

144

3.6

73

144

4.2

73

144

4.8

73

144

5.6

100

73

164

4.8

73

164

5.2

73

170

6

73

170

7.5

125

83

194

6.3

83

194

6.7

83

198

9

83

198

11

150

98

220

8.7

98

220

9.4

98

228

12

98

228

15

200

127

275

16.5

127

275

18.7

127

288

22

127

293

27

250

146

330

26.2

146

333

29.4

146

343

38

146

355

48

300

181

380

42.3

181

388

48.5

181

403

54

181

420

78

350

184

440

58

184

448

66

184

460

80

222

480

116

400

198

493

76

198

498

90

198

520

118

232

549

152

450

203

543

98

203

558

130

-

-

-

-

-

-

500

219

598

120

219

630

186

-

-

-

-

-

-

600

222

698

235

222

734

298

-

-

-

-

-

-


DN(mm)

L

D

Do
R

T

WT(kg)

H76X-10C H76X-16C

50

43

107

69

29

19

1.5

65

46

127

84

20

20

2.4

80

64

142

103

26

26

3.6

100

64

162

121

28

28

5.7

125

70

192

135

30

30

7.3

150

76

218

180

31

31

9

200

89

273

250

33

33

17

250

114

328

260

45

45

26

300

114

378

312

48

48

42

350

127

438

365

50

50

55

400

140

489

415

54

54

75

450

152

539

468

58

58

107

500

152

594

526

60

60

111

600

178

695

626

73

73

165

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