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CHECK VALVE
  Production Enforce Standard:
Type

Desing And Manutacture

Face to face/End to end

Flange Dimension

Pressure Temperature Lating

Inspection and test

Swing check valve

ANSIB16.34

ANSIB16.10

ANSIB16.15

ANSIB16.34

API598

Lift check valve

BS 1868

Chief Property And Specification:

(Lb)Nominal Pressore

150

300

600

900

Shelltest

MPa

3.1

7.8

15.3

23.1

Lbf/in2

460

1125

2225

3350

Water sealtest

MPa

2.2

5.6

11.2

16.8

Lbf/in2

315

815

1630

2440

Air sealtest

MPa

0.5-0.7

Lbf/in2

60-100

Material For Main Parts:

Body Cover DiskHingesideway bush

Hinge pin

Sealing shim

Sealing Face

(°C)
Working temperature

Suitable medium

WCB

2Crl3

PTFE
Enhanced
flexible graphite
lCrl3/Flexible
S.S/Acie-proof
asbestos
Tooth profile gasket

l3Cr
STL
PTFE
With
bodymater rial
Nylon

≥425

Water steam
petroleum
products
Nitric acid
Acetic acid

WC1

≥450

WC6

≥540

WC9

≥570

C5C12

≥550

CF8

304

≤600

CF3

316

CF8M

304L

CF3M

316L

 

Main External And Connection Dimension:

NPS

DN

Class 150Lb/300Lb/600Lb

WT(Kg)

in

mm

L

D1

D2

D

b

Z-φd

H

2”

50

203

157

120.7

92

19.50

4-φ19

161

17

21/2”

65

216

178

139.7

105

22.5

4-φ19

180

23

3”

80

241

190.5

152.4

127

24

4-φ19

190

33

4”

100

292

229

190.50

157.2

24

8-φ19

220

44

6”

150

356

279

241.5

216

25.5

8-φ22.5

257

78

8”

200

495

343

298.5

270

29

8-φ22.5

292

137

10”

250

622

406

362

324

30.5

12-φ25

350

207

12”

300

698

483

432

381

32

12-φ25

398

279

14”

350

787

533

476.8

413

35

12-φ29

445

387

16”

400

864

597

539.8

470

37

16-φ29

490

446

18”

450

978

635

577.8

533

40

16-φ32

520

621

20”

500

978

698

635

584

43

20-φ32

546

770

24”

600

1295

813

749.3

692

48

20-φ35

880

970

2”

50

267

165

127

92

22.5

8-φ19

179.5

20

21/2”

65

292

190

150

105

25

8-φ22

190

24

3”

80

318

210

168

127

29.0

8-φ22.5

212.4

40

4”

100

356

254

200

157

32.0

8-φ22.5

246

51

6”

150

445

317.5

269.7

216

37.0

12-φ22.5

292

90

8”

200

533

381

330

270

41.5

12-φ25.5

328

175

10”

250

622

444.5

387

324

48.0

16-φ28.5

378.6

210

12”

300

711

521

451

381

51.0

16-φ32

420

286

14”

350

838

584

514

54

54

20-φ32

470

400

16”

400

864

648

572

57

57

20-φ35

530

550

18”

450

978

711

629

60

60

24-φ35

584

700

20”

500

1016

775

686

64

64

24-φ35

610

860

24”

600

1346

914

813

70

70

24-φ41

860

1931

2”

50

292

165

127

92

25

8-φ19

203

34

21/2”

65

330

190

150

105

29

8-φ22

229

45

3”

80

356

210

168

127

32

8-φ22

235

63

4”

100

432

273

216

157

38

8-φ25

286

114

6”

150

559

356

292

216

48

8-φ29

330

207

8”

200

660

419

349

270

56

12-φ29

381

387

10”

250

787

508

432

324

64

12-φ32

457

580

12”

300

838

559

489

381

67

16-φ35

584

778

14”

350

889

603

527

413

70

20-φ38

635

9869

16”

400

991

686

603

470

76

20-φ41

684

1380


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