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American standard swing check valve


American standard swing check valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

Fast delivery: advanced production lines, sufficient stocking, shortening the delivery time!
Sales: 021-31007323
Fax: 021-333321522
Technology: 021-31007323

product manual Pledge Order process

 

  Product name : American standard swing check valve Product model : H74 H44, H74
   Driving method : Manual Connection form : Wafer, flange
   Structure form : Swing type    Sealing material : Nylon plastic, body material
   Pressure range : 150 ~ 600Lb    Nominal diameter : DN50-DN800
   Common materials : Carbon steel, stainless steel    Technical consultation : 021-31007323

是国内著名〖 API美标止回阀 〗制造商,也是国内大型【 止回阀 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖API美标止回阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known domestic API API check valve manufacturer and one of the largest domestic [ check valve ] manufacturers. Since its establishment, the company has always focused on customer needs and continued innovation. The majority of agents and corporate customers provide the API API check valve solution, which is reliable in quality and affordable, so it sells well all over the country. Welcome new and old customers to call us or write us, we will provide you with the best service.

First, the main purpose of API American standard check valve

      
选用于公称压力150LB~600LB,工作温度-29~550℃的石油、化工、火力电站等各种工况的管路上。 American standard swing check valve is selected for pipelines with various working conditions, such as petroleum, chemical and thermal power stations with a nominal pressure of 150LB ~ 600LB and an operating temperature of -29 ~ 550 ℃. Applicable medium: water, oil, steam, etc.
 

Main technical parameters of API American standard check valve

1. Exquisite selection of materials, meeting domestic and foreign relevant standards, high overall quality of materials.

2. The sealing pairing is advanced and reasonable. The sealing surfaces of the valve disc and the valve seat are made of iron-based alloy or Stellite cobalt-based hard alloy. ,long lasting.

旋启式止回阀 产品按国家标准GB/T12235设计制造。 3. Swing check valve products are designed and manufactured according to national standard GB / T12235.

4. Various piping flange standards and flange seal types can be used to meet various engineering needs and user requirements.

5. The valve body has a complete range of materials. The gasket can be reasonably selected according to the actual working conditions or user requirements, and can be applied to various pressure, temperature and medium working conditions.

We can design and manufacture non-return valves with different structural forms and connection forms according to user requirements.


Third, API American standard check valve product implementation standards

Types of

Design and Manufacturing Structure length Flange size Pressure ~ temperature Test ~ inspection

Swing check valve

ANSI B16.34

ANSI B16.10

ANSI B16.15

ANSI B16.34

API 598

Lift check valve

BS 1868


 

Fourth, API American standard check valve product performance specifications

Nominal pressure (Lb) 150 300 600

Strength test

MPa

3.1

7.8

15.3

Lbf / in2

450

1125

2225

Water seal test

MPa

2.2

5.6

11.2

Lbf / in2

315

815

1630

Hermetic seal test

MPa

0.5 ~ 0.7

Lbf / in2

60 ~ 100

 

V. Material and Performance of API American Standard Check Valve

Body, cover, flap, rocker, guide sleeve

Pin Gasket Sealing surface Operating temperature
(℃)
Applicable medium

WCB

2Cr13

Reinforced flexible graphite
1Cr13 / flexible graphite
stainless steel/
Acid-resistant asbestos
PTFE
Toothed gasket

13Cr
STL
Body material
PTFE
nylon

≤425

Water, steam, oil,
Nitric acid, acetic acid,
Strong oxidizing medium, urea

WC1

≤450

WC6

≤540

WC9

≤570

C5 C12

≤550

CF8

304

≤600

CF3

316

CF8M

304L

CF3M

316L

 

单位 (mm) Six, API American standard check valve main shape and connection size unit (mm)

H44 swing check valve, structure drawing
API American standard check valve structure diagram  

 

NPS

DN Class 150Lb WT (Kg)
in mm L D D1 D2 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

twenty three

3 "

80

241

190.5

152.4

127

twenty four

4-Φ19

190

33

4 "

100

292

229

190.50

157.2

twenty four

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

twenty four"

600

1295

813

749.3

692

48

20-Φ35

880

970


Class 300Lb

2" 50 267 165 127 92 22.5 8-Φ19 179.5 20

21/2 "

65

292

190

150

105

25

8-Φ22

190

twenty four

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

twenty four"

600

1346

914

813

70

70

24-Φ41

860

1931


Class 600Lb

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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