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Company:Wenzhou Topnotch Machine Co.,Ltd. 
Address:Dongyang Rd., Heyi Industrial Zone,Oubei Town, Yongjia County,Wenzhou,Zhejiang, China 325105
Contact Person: Mr. Kevin Tung
Tel: +86-577-67318591 67318935
Email: market@tanamachine.com
MB: 86-18906638592

ANSI cast steel check valve

ANSI Cast steel swing check valve which its opening &closing part itself opens by the flow force of medium to prevent the medium from flowing reversal,is called check valve.The check valve belongs to automatic valve.is mainly applied on the pipeline with single direction flow and only allows the medium flow at direction,which avoids the occurrence of accident.
The check valve is divided into lift check valve,swing check valve and butterfly type check valve by the structure.The lift type check valve is divided into vertical and horizontal.the swing check valve is divided into single-disc,double-disc,The butterfly type check valve is straight type.The above few check valves may be divided into screwed connection,flange connection and welding connection by its connection way.

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


Standards compliance
Design and Manufacture: ANSI B16.34,API 6D,BS1868
Face to face(end to end): ANSI B16.10,API 6D
Flanged ends: ASME B16.5,ASME B16.47
Test and inspection: API598,API6D

 ANSI swing check valve Materials list 

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

Note:Gear operation suggested. Dimensions on request. Abbreviation: SP-Shot pattern

For more details, please download the catalogue for reference or contact with us.

API cast steel check valve.pdf

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Contact Us

​Company:Wenzhou Topnotch Machine Co.,Ltd. 

Address:Dongyang Rd., Heyi Industrial Zone,Oubei Town, Yongjia County,Wenzhou,Zhejiang, China 325105

Contact Person:
  Mr. Kevin Tung 

Tel: +86-577-67318591 67318935

Email: market@tanamachine.com

 

MB: 86-18906638592

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