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Flanged Swing Check Valve

CX cast steel swing check valves are widely used in the industries of oil, chemical, medicine-made, fertilizer, city construction, etc. The swing type check valve is designed as full bore full open structure in order to clean the pipeline; large size check valve can be designed as buffering damp structure in order to protect seat seal surface and reduce the damage of pipeline at water hammer status. Seat seal surface overlaid with wearing resistant hardened alloy to be matched with disc seal surface; the stem is specially treated to ensure its strength, rigidity, corrosion resistance and abrasion resistance. Valves are available in a complete range of body/bonnet materials and trims, which are widely used for the medium of water, steam, oil product, nitric acid, acetic acid, oxygenation, etc.

  • CX-FCKV06
  • CX-VALVE
  • 8481804090

ANSI swing check valve main features

Bolted cover, swing type disc
Threaded or welded seat ring
ASTM A216 WCB,A217 WC6,A351CF8,A351CF8M,
A351 CF3,A351 CF3M,A351 CN7M

Applicable Standard
Design Standard: BS 1868, ASME B16.34, API 6D, DIN2533
Face to Face: ASME B16.10, API 6D, EN 558, DIN 3202
End Flange: ASME B16.5, ASME B16.47, DIN2501, DIN2533
Buttwelding Ends: ASME B16.25, DIN3239
Inspection and Test: API 598, DIN3230

 

ANSI swing check valve Materials list 


Standards:
Design & ManufactureBS 1868-1873, ASME B16.34, API 6D
Inspection & TestAPI 598, API 6D
End Flange DimensionASME B16.5
End Flange DimensionASME B16.47A, MSS SP-44
End Flange DimensionASME B16.47B, API 605
BW End DimensionASME B16.25
Face to FaceASME B16.10
Pressure-temperature RatingsASME B16.34
Wall Thickness DimensionAPI 600 and BS 1868
 

Standard Trim Material to API 600
Trim CodeSeat Ring Surface 
Part No. 2
Wedge Surface Part No. 3Stem 
Part No.4
Backseat 
Part No. 9
1F6F6F6F6
2F304F304F304F304
5StelliteStelliteF6F6
8StelliteF6F6F6
9MonelMonelMonelMonel
10F316F316F316F316
13Alloy 20Alloy 20Alloy 20Alloy 20
 
Standard Material Specifications
Parts NameCarbon Steel to ASTMAlloy Steel to ASTMStainless Steel to ASTM
1.BodyA216 WCBA352 LCBA217 WC1A217 WC6A217 WC9A217 C5A351 CF8A351 CF8MA351 CF3A351 CF3M
11.CoverA216 WCBA352 LCBA217 WC1A217 WC6A217 WC9A217 C5A351 CF8A351 CF8MA351 CF3A351 CF3M
3.DiscA216 WCBA352 LCBA217 WC1A217 WC6A217 WC9A217 C5A351 CF8A351 CF8MA351 CF3A351 CF3M
4.HingeA216 WCBA352 LCBA217 WC1A217 WC6A217 WC9A217 C5A351 CF8A351 CF8MA351 CF3A351 CF3M
9.BoltA193 B7A320 L7A193 B7A193 B16A193 B16A193 B16A 193 B8A 193 B8A 193 B8A 193 B8
8.NutA194 2HA194 4A194 2HA194 4A194 4A194 4A194 8A194 8A194 8A194 8
5.Disc NutA194 2H410410410410410304316304L316L
10.GasketSS Spiral Wound W/graphite, or SS Spiral Wound W/PTFE, of Reinforced PTFE
12.Eye BoltSteel
7.YokeA216 WCBA352 LCBA217 WC1A217 WC6A217 WC9A217 C5A351 CF8A351 CF8MA351 CF3A351 CF3M


API-swing- (1).jpg

No

Part Name

Carbon steel

l1/4cr-1/2mo

Carbon Steel

1

Body

A216-WCB

A217-WC6

A352-LCB

2

Cover

A216-WCB

A217-WC6

A352-LCB

3

Disc

A105+13Cr

A182-F11+HF

A350-LF2+CR13

4

Hinge

A216-WCB

A217-WC6

A352-LCB

5

Fork Part

A216-WCB

A217-WC6

A352-LCB

6

Seat Ring

A105+CR13

A182-F11+HF

A350-LF2+CR13

7

Hinge Pin

A276-420

A276-304

A276-420

8

Disc Washer

Carbon Steel

A276-304

Carbon Steel

9

Disc Nut

Carbon Steel

A194-7

Carbon Steel

10

Disc Nut Pin

Carbon Steel

A276-420

Carbon Steel

11

Gasket

Spiral Wound(Graphite+304)

12

Stud

A193-B7

A193-B16

A320-L7

13

Stud Nut

A194-2H

A194-7

A194-4

14

Eyebolt(2)

Carbon steel

Note:

l) Cast steel disc for NPS 4" and above.
2) NPS 6" & larger.
3) Disc and seat ring may either be solid facing material or a base material equal to or better than the body/bonnet material with facing as shown. 

ANSI swing check valve dimension and weight

API-swing-.jpg

ANSI swing check valve dimension and weight(150lb)

Size

inch

2

2-1/2

3

4

5

6

8

10

12

14

16

18

20

24

L,L1-RF.BW

mm

203

216

241

292

330

356

495

622

699

787

864

978

978

1295

L2-RTJ

mm

216

229

254

305

343

368

508

635

717

800

876

991

991

1308

H

mm

155

190

200

225

245

260

350

390

410

435

530

570

625

675

WT.

Kg

16

25

34

46

75

89

120

220

337

471

575

788

916

1275

ANSI swing check valve dimension and weight(300lb)

Size

inch

2

2-1/2

3

4

5

6

8

10

12

14

16

18

20

24

L,L1-RF.BW

mm

267

292

318

355

400

440

533

622

711

838

863

977

1016

1346

L2-RTJ

mm

283

308

333

371

416

460

549

638

727

854

879

994

1036

1368

H

mm

180

200

225

240

275

310

370

410

440

500

545

605

675

785

WT.

Kg

26

32

53

73

110

157

234

384

450

650

800

970

1350

2210

ANSI swing check valve dimension and weight(600lb)

Size

inch

2

2-1/2

3

4

5

6

8

10

12

14

16

18

20

L,L1-RF.BW

mm

292

330

356

432

508

559

660

787

838

889

991

1092

1194

L2-RTJ

mm

295

333

359

435

511

562

664

791

841

892

994

1095

1200

H

mm

190

215

250

260

310

350

420

490

525

580

630

690

810

WT.

Kg

33

49

62

95

120

195

360

465

725

875

1075

1475

1900

ANSI swing check valve dimension and weight(900lb)

Size

inch

2

2-1/2

3

4

5

6

8

10

12

14

L,L1-RF.BW

mm

368

419

381

457

559

610

737

838

965

1029

L2-RTJ

mm

371

422

384

460

562

613

740

841

968

1038

H

mm

195

235

260

275

320

370

435

520

530

580

WT.

Kg

55

70

90

135

165

295

525

900

1075

1225


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