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大尺寸法兰 直径 26” ~ 60” 的尺寸、重量及公差

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ASME B16.5 法兰:Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded and Blind flange.
产品详情

ASME B16.47 Flanges Dimensions And Weights

大尺寸法兰:直径 26” ~ 60”

  • CLASS 150 / CLASS 300 / CLASS 400 / CLASS 600 / CLASS 900
  • ASME B16.47 SERIES B FLANGE DIMENSIONS
  • TOLERANCES OF ASME B16.47 FLANGES

ASME B16.47 A 系列法兰的尺寸和重量 (尺寸为英制 Inch)


CLASS 150

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

34.25

2.69

2.69

29.50

26.62

4.75

300

702

24

1.38

31.75

28

36.50

2.81

2.81

31.50

28.62

4.94

345

833

28

1.38

34

30

38.75

2.94

2.94

33.75

30.75

5.38

400

982

28

1.38

36

32

41.75

3.19

3.19

36

32.75

5.69

505

1238

28

1.62

38.50

34

43.75

3.25

3.25

38

34.75

5.88

540

1384

32

1.62

40.50

36

46

3.56

3.56

40.25

36.75

6.19

640

1676

32

1.62

42.75

38

48.75

3.44

3.44

42.25

39

6.19

720

1819

32

1.62

45.25

40

50.75

3.56

3.56

44.25

41

6.44

775

2040

36

1.62

47.25

42

53

3.81

3.81

47

43

6.75

890

2380

36

1.62

49.50

44

55.25

4

4

49

45

7

990

2715

40

1.62

51.75

46

57.25

4.06

4.06

51

47.12

7.31

1060

2961

40

1.62

53.75

48

59.50

4.25

4.25

53.50

49.12

7.56

1185

3350

44

1.62

56

50

61.75

4.38

4.38

55.50

51.25

8

127

3716

44

1.88

58.25

52

64

4.56

4.56

57.50

53.25

8.25

1410

4156

44

1.88

60.25

54

66.25

4.75

4.75

59.50

55.25

8.50

1585

4636

44

1.88

62.75

56

68.75

4.88

4.88

62

57.38

9

1760

5130

48

1.88

65

58

71

5.06

5.06

64

59.38

9.25

1915

5675

48

1.88

67.25

60

73

5.19

5.19

66

61.38

9.44

2353

6155

52

1.88

69.25


CLASS 300

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

38.25

3.12

3.31

29.50

28.38

7.25

605

1079

28

1.75

34.50

28

40.75

3.38

3.56

31.50

30.50

7.75

745

1315

28

1.75

37

30

43

3.62

3.75

33.75

32.56

8.25

870

1545

28

1.88

39.25

32

45.25

3.88

3.94

36

34.69

8.75

1005

1795

28

2

41.50

34

47.50

4

4.12

38

36.88

9.12

1145

2068

28

2

43.50

36

50

4.12

4.38

40.25

39

9.50

1275

2435

32

2.12

46

38

46

4.25

4.25

40.50

39.12

7.12

695

2001

32

1.62

43

40

48.75

4.50

4.50

42.75

41.12

7.62

840

2380

32

1.75

45.50

42

50.75

4.69

4.69

44.75

43.25

7.88

950

2689

32

1.75

47.50

44

53.25

4.88

4.88

47

45.25

8.12

1055

3079

32

1.88

49.75

46

55.75

5.06

5.06

49

47.38

8.50

1235

3500

28

2

52

48

57.75

5.25

5.25

51.25

49.38

8.81

1380

3896

32

2

54

50

60.25

5.50

5.50

53.50

51.38

9.12

1530

4442

32

2.12

56.25

52

62.25

5.69

5.69

55.50

53.38

9.38

1660

4906

32

2.12

56.25

54

65.25

6

6

57.75

55.50

9.94

2050

5684

28

2.38

61

56

67.25

6.06

6.06

59.75

57.62

10.25

2155

6099

28

2.38

63

58

69.25

6.25

6.25

62

59.62

10.50

2270

6669

32

2.38

65

60

71.25

6.44

6.44

64

61.62

10.75

2470

7274

32

2.38

67


CLASS 400

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

38.25

3.50

3.88

29.50

28.62

7.62

650

1263

28

1.88

34.50

28

40.75

3.75

4.12

31.50

30.81

8.12

785

1520

28

2

37

30

43

4

4.38

33.75

32.94

8.62

905

1802

28

2.62

39.25

32

45.25

4.25

4.56

36

35

9.12

1065

2075

28

2.62

41.25

34

47.50

4.38

4.81

38

37.81

9.50

1200

2415

28

2.62

43.50

36

50

4.50

5.06

40.25

39.38

9.88

1340

2815

32

2.62

46

38

47.50

4.88

4.88

40.75

39.50

8.12

935

2450

32

1.88

44

40

50

5.12

5.12

43

41.50

8.50

1090

2850

32

2

46.25

42

52

5.25

5.25

45

43.62

8.81

1190

3160

32

2

48.25

44

54.50

5.50

5.50

47.25

43.62

9.18

1375

3635

32

2.62

50.50

46

56.75

5.75

5.75

49.50

47.75

9.62

1525

4120

36

2.62

52.75

48

59.50

6

6.00

51.50

49.88

10.12

1790

4725

28

2.38

55.25

50

61.75

6.19

6.25

53.62

52

10.56

1950

5303

32

2.38

57.50

52

63.75

6.38

6.44

55.62

54

10.88

2125

5823

32

2.38

59.50

54

67

6.69

6.75

57.88

56.12

11.38

2565

6742

28

2.62

62.25

56

69

6.88

6.94

60.12

58.25

11.75

2710

7352

32

2.62

64.25

58

71

7

7.12

62.12

60.25

12.06

3230

7986

32

2.62

66.25

60

74.25

7.31

7.44

64.38

62.38

12.56

3820

9126

32

2.88

69


CLASS 600

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

40

4.25

4.94

29.50

29.44

8.75

940

1760

28

2

36

28

42.25

4.38

5.19

31.50

31.62

9.25

160

2061

28

2.12

38

30

44.50

4.50

5.50

33.75

33.94

9.75

1210

2423

28

2.12

40.25

32

47

4.63

5.81

36

36.15

10.25

1375

2858

28

2.38

42.50

34

49

4.75

6.06

38

38.31

10.62

1540

3237

28

2.38

44.50

36

51.75

4.88

6.38

40.25

40.62

11.12

1705

3800

28

2.62

47

38

50

6

6.12

41.50

40.25

10

1470

3405

28

2.38

45.75

40

52

6.25

6.38

43.75

42.25

10.38

1630

3838

32

2.38

47.75

42

55.25

6.63

6.75

46

44.38

11

2030

4585

28

2.62

50.50

44

57.25

6.81

7

48.25

46.50

11.38

2160

5105

32

2.62

52.50

46

59.50

7.06

7.31

50.25

48.62

11.81

2410

5758

32

2.62

54.75

48

62.75

7.44

7.69

52.50

50.75

12.44

2855

6737

32

2.88

57.50

50

65.75

7.75

8

54.50

52.88

12.94

3330

7695

28

3.12

60

52

67.75

8

8.25

56.50

54.88

13.25

3560

8425

32

3.12

62

54

70

8.25

8.56

58.75

57

13.75

3920

9333

32

3.12

64.25

56

73

8.56

8.88

60.75

59.12

14.25

4280

10530

32

3.38

66.75

58

75

8.75

9.12

63

61.12

14.56

4640

11414

32

3.38

68.75

60

78.50

9.19

9.56

65.25

63.38

15.31

5000

13108

28

3.62

71.75


CLASS 900

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

42.75

5.50

6.31

29.50

30.50

11.25

1525

2566

20

2.88

37.50

28

46

5.62

6.75

31.50

32.75

11.75

1810

3178

20

3.12

40.25

30

48.50

5.88

7.18

33.75

35

12.25

2120

3759

20

3.12

42.75

32

51.75

6.25

7.62

36

37.25

13

2545

4541

20

3.38

45.50

34

55

6.50

8.06

38

39.62

13.75

2970

5425

20

3.62

48.25

36

57.50

6.75

8.44

40.25

41.88

14.25

3395

6210

20

3.62

50.75

38

57.50

7.50

8.50

43.25

42.25

13.88

3385

6253

20

3.62

50.75

40

59.50

7.75

8.81

45.75

44.38

14.31

3620

6940

24

3.62

52.75

42

61.50

8.12

9.12

47.75

46.31

14.62

3960

7675

24

3.62

54.75

44

64.88

8.44

9.56

50

48.62

15.38

4300

8955

24

3.88

57.62

46

68.25

8.88

10.88

52.50

50.88

16.18

4640

10426

24

4.12

60.50

48

70.25

9.19

10.88

54.50

52.88

16.50

4980

11398

24

4.12

60.50


ASME B16.47 B 系列法兰的尺寸和重量 (尺寸为英制 Inch)

CLASS 75

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

30

1.25

1.25

27.75

26.63

2.25

80

255

36

0.75

28.50

28

32

1.25

1.25

29.75

28.63

2.38

85

290

40

0.75

30.50

30

34

1.25

1.25

31.75

30.63

2.50

90

330

44

0.75

32.50

32

36

1.32

1.38

33.75

32.63

2.69

105

390

48

0.75

34.50

34

38

1.32

1.44

35.75

34.63

2.82

110

430

52

0.75

36.50

36

40.69

1.38

1.61

38

36.81

3.32

145

58

40

0.75

39.06

38

42.69

1.44

1.69

40

38.81

3.44

160

595

40

0.88

41.06

40

44.69

1.44

1.69

42

40.81

3.57

170

760

44

0.88

43.06

42

16.69

1.50

1.82

44

42.81

3.69

185

895

48

0.88

45.06

44

49.25

1.63

1.88

46.25

44.88

4.07

230

1065

36

1

47.38

46

51.25

1.69

1.94

48.25

46.88

4.19

245

1185

40

1

49.38

48

53.25

1.75

2.07

50.25

48.88

4.32

270

1315

44

1

51.38

50

55.25

1.82

2.13

52.25

50.94

4.50

290

1505

44

1

53.38

52

57.38

1.82

2.19

54.25

52.94

4.69

310

1665

48

1

55.50

54

59.38

1.88

2.31

56.25

55

4.88

340

1840

48

1

57.50

56

62

1.94

2.38

58.50

57.13

5.25

400

2110

40

1.12

59.88

58

64

2

2.44

60.50

59.13

5.38

430

2300

44

1.12

61.88

60

66

2.13

2.56

62.50

61.13

5.63

475

2500

44

1.12

63.88


CLASS 150

Flange NPS

Outside
Diam.

Minimum Thickness

O.D.
of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt
Circle Diam.

26

30.94

1.57

1.69

28

26.94

3.44

120

375

36

0.88

29.31

28

32.94

1.69

1.82

30

28.94

3.69

140

455

40

0.88

31.31

30

34.94

1.69

1.94

32

31

3.88

150

545

44

0.88

33.31

32

37.06

1.75

2.07

34

33.06

4.19

170

648

48

0.88

35.44

34

39.56

1.88

2.13

36.25

35.12

4.28

210

782

40

1

37.69

36

41.62

2

2.25

38.25

37.19

4.57

240

890

44

1

39.75

38

44.25

2.07

2.44

40.25

39.25

4.82

290

1090

40

1.12

42.12

40

46.25

2.13

2.57

42.50

41.31

5

310

1247

44

1.12

44.12

42

48.25

2.25

2.63

44.50

43.38

5.19

345

1393

48

1.12

46.12

44

50.25

2.32

2.75

46.50

45.38

5.32

310

1579

52

1.12

48.12

46

52.81

2.38

2.88

48.62

47.44

5.63

435

1825

40

1.25

50.56

48

54.81

2.50

3

50.75

48.50

5.82

480

2045

44

1.25

52.56

50

56.81

2.63

3.13

52.75

51.50

6

520

2284

48

1.25

54.56

52

58.81

2.69

3.25

54.75

53.56

6.13

520

2547

52

1.25

56.56

54

61

2.75

3.38

56.75

55.62

6.32

620

2848

56

1.25

58.75

56

63

2.82

3.50

58.75

57.69

6.50

650

3145

60

1.25

60.75

58

65.94

2.88

3.62

60.75

59.69

6.82

780

3560

48

1.38

63.44

60

67.94

2.94

3.75

63

61.81

7

850

3913

52

1.38

65.44


CLASS 300

Flange NPS

Outside
Diam.

Minimum Thickness

O.D.
of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt
Circle Diam.

26

34.12

3.44

3.44

29

26.19

5.63

400

905

32

1.38

31.62

28

36.25

3.44

3.44

31

28.19

5.81

450

1023

36

1.38

33.75

30

39

3.63

3.63

33.25

30.25

6.16

550

1250

36

1.50

36.25

32

41.50

4

4

35.50

32.25

6.56

685

1556

32

1.62

38.50

34

43.62

4

4

37.50

34.25

6.75

750

1719

36

1.62

40.62

36

46.12

4

4

39.75

36.25

7.06

840

1920

32

1.75

42.88

38

48.12

4.31

4.31

41.75

38.25

7.50

915

2257

36

1.75

44.88

40

50.12

4.50

4.50

43.88

40.25

7.75

990

2550

40

1.75

46.88

42

52.50

4.63

4.63

46

42.31

8

1135

2875

36

1.88

49

44

54.50

4.94

4.94

48

44.31

8.38

1235

3305

40

1.88

51

46

57.50

5

5.06

50

46.31

8.69

1470

3766

36

2

53.75

48

59.50

5

5.25

52.25

48.31

8.75

1575

4183

40

2

55.75

50

61.50

5.38

5.44

54.25

50.31

9.19

1710

4629

44

2

57.75

52

63.50

5.56

5.61

56.25

52.31

9.50

1840

5096

48

2

59.75

54

65.88

5.32

5.81

58.25

54.31

9.38

1980

5679

48

2

62.12

56

69.50

6

6.12

60.50

56.31

10.50

2295

6642

36

2.38

65

58

71.94

6

6.31

62.75

58.31

10.75

2770

7347

40

2.38

67.44

60

73.94

5.88

6.50

65

60.31

10.63

2870

7980

40

2.38

69.44


CLASS 400

Flange NPS

Outside
Diam.

Minimum Thickness

O.D.
of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

33.50

3.50

3.50

28

27.12

5.88

360

875

28

1.50

30.75

28

36

3.75

3.75

30

29.12

6.25

450

1081

24

1.62

33

30

38.25

4

4

32.25

31.25

6.69

530

1302

28

1.62

35.25

32

40.75

4.25

4.25

34.38

33.25

7.06

635

1570

28

1.75

37.50

34

42.75

4.38

4.38

36.50

35.38

7.38

690

1780

32

1.75

39.50

36

45.50

4.69

4.69

38.62

37.50

7.88

855

2160

28

1.88

42


CLASS 600

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

35

4.38

4.38

28.62

27.50

7.12

550

1195

28

1.75

31.75

28

37.50

4.56

4.56

30.88

29.62

7.50

650

1427

28

1.88

34

30

40.25

4.94

5

33.12

31.75

8.062

810

1800

28

2

36.50

32

42.75

5.12

5.31

35.25

33.88

8.50

950

2160

28

2.12

38.75

34

45.75

5.56

5.68

37.50

36

9.19

1205

2645

24

2.38

41.50

36

47.75

5.75

5.94

39.75

38.12

9.56

1340

3013

28

2.38

43.50


 CLASS 900

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub
Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

40.25

5.31

6.06

30

29.25

10.19

1050

2185

20

2.63

35.50

28

43.50

5.81

6.56

32.25

31.38

10.88

1520

2762

20

2.88

38.25

30

46.50

6.12

6.93

34.50

33.50

11.38

1820

3334

20

3.13

40.75

32

48.75

6.31

7.31

36.50

35.75

11.94

2065

3865

20

3.13

43

34

51.75

6.75

7.68

39

37.88

12.56

2450

4575

20

3.38

45.50

36

53

6.81

7.94

40.50

40

12.81

2520

4963

24

3.13

47.25


ASME B16.47法兰的公差

OD

±0.12″

±3.2mm

The diameter of Flange Face

0.06″ (1.66mm) raised face

±0.08″

±2.0mm

0.25″ (6.44mm) raised face

±0.04″

±1.2mm

The diameter of the Hub at the Point of Welding

±0.21″, -0.06″

±5.5mm, -1.6mm

ID

±0.12″, -0.06″

±3.2mm, -1.6mm

Thk.

Up to 1.0″ Thickness

±0.12″, -0.00″

±3.2mm, -0.00mm

1.0″ to 2.0″

±0.19″, -0.00″

±4.8mm, -0.00mm

2.0″ to 3.0″

±0.31″, -0.00″

±7.9mm, -0.00mm

Over 3.0′ Thickness

±0.38″, -0.00″

±9.6mm, -0.00mm

Bolts Drilling

Bolt Circle Diameter

±0.06″

±1.6mm

Bolt Hole Spacing

±0.03″

±0.8mm

The eccentricity of the Bolt Circle and Facing vs.  Bore

±0.06″

±1.6mm

Length Through Hub for Welding Neck Flanges

±0.19″

±4.8mm




大尺寸法兰 直径 26” ~ 60” 的尺寸、重量及公差
大尺寸法兰 直径 26” ~ 60” 的尺寸、重量及公差

大尺寸法兰 直径 26” ~ 60” 的尺寸、重量及公差

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ASME B16.5 法兰:Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded and Blind flange.
15000460378
产品详情

ASME B16.47 Flanges Dimensions And Weights

大尺寸法兰:直径 26” ~ 60”

  • CLASS 150 / CLASS 300 / CLASS 400 / CLASS 600 / CLASS 900
  • ASME B16.47 SERIES B FLANGE DIMENSIONS
  • TOLERANCES OF ASME B16.47 FLANGES

ASME B16.47 A 系列法兰的尺寸和重量 (尺寸为英制 Inch)


CLASS 150

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

34.25

2.69

2.69

29.50

26.62

4.75

300

702

24

1.38

31.75

28

36.50

2.81

2.81

31.50

28.62

4.94

345

833

28

1.38

34

30

38.75

2.94

2.94

33.75

30.75

5.38

400

982

28

1.38

36

32

41.75

3.19

3.19

36

32.75

5.69

505

1238

28

1.62

38.50

34

43.75

3.25

3.25

38

34.75

5.88

540

1384

32

1.62

40.50

36

46

3.56

3.56

40.25

36.75

6.19

640

1676

32

1.62

42.75

38

48.75

3.44

3.44

42.25

39

6.19

720

1819

32

1.62

45.25

40

50.75

3.56

3.56

44.25

41

6.44

775

2040

36

1.62

47.25

42

53

3.81

3.81

47

43

6.75

890

2380

36

1.62

49.50

44

55.25

4

4

49

45

7

990

2715

40

1.62

51.75

46

57.25

4.06

4.06

51

47.12

7.31

1060

2961

40

1.62

53.75

48

59.50

4.25

4.25

53.50

49.12

7.56

1185

3350

44

1.62

56

50

61.75

4.38

4.38

55.50

51.25

8

127

3716

44

1.88

58.25

52

64

4.56

4.56

57.50

53.25

8.25

1410

4156

44

1.88

60.25

54

66.25

4.75

4.75

59.50

55.25

8.50

1585

4636

44

1.88

62.75

56

68.75

4.88

4.88

62

57.38

9

1760

5130

48

1.88

65

58

71

5.06

5.06

64

59.38

9.25

1915

5675

48

1.88

67.25

60

73

5.19

5.19

66

61.38

9.44

2353

6155

52

1.88

69.25


CLASS 300

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

38.25

3.12

3.31

29.50

28.38

7.25

605

1079

28

1.75

34.50

28

40.75

3.38

3.56

31.50

30.50

7.75

745

1315

28

1.75

37

30

43

3.62

3.75

33.75

32.56

8.25

870

1545

28

1.88

39.25

32

45.25

3.88

3.94

36

34.69

8.75

1005

1795

28

2

41.50

34

47.50

4

4.12

38

36.88

9.12

1145

2068

28

2

43.50

36

50

4.12

4.38

40.25

39

9.50

1275

2435

32

2.12

46

38

46

4.25

4.25

40.50

39.12

7.12

695

2001

32

1.62

43

40

48.75

4.50

4.50

42.75

41.12

7.62

840

2380

32

1.75

45.50

42

50.75

4.69

4.69

44.75

43.25

7.88

950

2689

32

1.75

47.50

44

53.25

4.88

4.88

47

45.25

8.12

1055

3079

32

1.88

49.75

46

55.75

5.06

5.06

49

47.38

8.50

1235

3500

28

2

52

48

57.75

5.25

5.25

51.25

49.38

8.81

1380

3896

32

2

54

50

60.25

5.50

5.50

53.50

51.38

9.12

1530

4442

32

2.12

56.25

52

62.25

5.69

5.69

55.50

53.38

9.38

1660

4906

32

2.12

56.25

54

65.25

6

6

57.75

55.50

9.94

2050

5684

28

2.38

61

56

67.25

6.06

6.06

59.75

57.62

10.25

2155

6099

28

2.38

63

58

69.25

6.25

6.25

62

59.62

10.50

2270

6669

32

2.38

65

60

71.25

6.44

6.44

64

61.62

10.75

2470

7274

32

2.38

67


CLASS 400

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

38.25

3.50

3.88

29.50

28.62

7.62

650

1263

28

1.88

34.50

28

40.75

3.75

4.12

31.50

30.81

8.12

785

1520

28

2

37

30

43

4

4.38

33.75

32.94

8.62

905

1802

28

2.62

39.25

32

45.25

4.25

4.56

36

35

9.12

1065

2075

28

2.62

41.25

34

47.50

4.38

4.81

38

37.81

9.50

1200

2415

28

2.62

43.50

36

50

4.50

5.06

40.25

39.38

9.88

1340

2815

32

2.62

46

38

47.50

4.88

4.88

40.75

39.50

8.12

935

2450

32

1.88

44

40

50

5.12

5.12

43

41.50

8.50

1090

2850

32

2

46.25

42

52

5.25

5.25

45

43.62

8.81

1190

3160

32

2

48.25

44

54.50

5.50

5.50

47.25

43.62

9.18

1375

3635

32

2.62

50.50

46

56.75

5.75

5.75

49.50

47.75

9.62

1525

4120

36

2.62

52.75

48

59.50

6

6.00

51.50

49.88

10.12

1790

4725

28

2.38

55.25

50

61.75

6.19

6.25

53.62

52

10.56

1950

5303

32

2.38

57.50

52

63.75

6.38

6.44

55.62

54

10.88

2125

5823

32

2.38

59.50

54

67

6.69

6.75

57.88

56.12

11.38

2565

6742

28

2.62

62.25

56

69

6.88

6.94

60.12

58.25

11.75

2710

7352

32

2.62

64.25

58

71

7

7.12

62.12

60.25

12.06

3230

7986

32

2.62

66.25

60

74.25

7.31

7.44

64.38

62.38

12.56

3820

9126

32

2.88

69


CLASS 600

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

40

4.25

4.94

29.50

29.44

8.75

940

1760

28

2

36

28

42.25

4.38

5.19

31.50

31.62

9.25

160

2061

28

2.12

38

30

44.50

4.50

5.50

33.75

33.94

9.75

1210

2423

28

2.12

40.25

32

47

4.63

5.81

36

36.15

10.25

1375

2858

28

2.38

42.50

34

49

4.75

6.06

38

38.31

10.62

1540

3237

28

2.38

44.50

36

51.75

4.88

6.38

40.25

40.62

11.12

1705

3800

28

2.62

47

38

50

6

6.12

41.50

40.25

10

1470

3405

28

2.38

45.75

40

52

6.25

6.38

43.75

42.25

10.38

1630

3838

32

2.38

47.75

42

55.25

6.63

6.75

46

44.38

11

2030

4585

28

2.62

50.50

44

57.25

6.81

7

48.25

46.50

11.38

2160

5105

32

2.62

52.50

46

59.50

7.06

7.31

50.25

48.62

11.81

2410

5758

32

2.62

54.75

48

62.75

7.44

7.69

52.50

50.75

12.44

2855

6737

32

2.88

57.50

50

65.75

7.75

8

54.50

52.88

12.94

3330

7695

28

3.12

60

52

67.75

8

8.25

56.50

54.88

13.25

3560

8425

32

3.12

62

54

70

8.25

8.56

58.75

57

13.75

3920

9333

32

3.12

64.25

56

73

8.56

8.88

60.75

59.12

14.25

4280

10530

32

3.38

66.75

58

75

8.75

9.12

63

61.12

14.56

4640

11414

32

3.38

68.75

60

78.50

9.19

9.56

65.25

63.38

15.31

5000

13108

28

3.62

71.75


CLASS 900

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind Flange

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

42.75

5.50

6.31

29.50

30.50

11.25

1525

2566

20

2.88

37.50

28

46

5.62

6.75

31.50

32.75

11.75

1810

3178

20

3.12

40.25

30

48.50

5.88

7.18

33.75

35

12.25

2120

3759

20

3.12

42.75

32

51.75

6.25

7.62

36

37.25

13

2545

4541

20

3.38

45.50

34

55

6.50

8.06

38

39.62

13.75

2970

5425

20

3.62

48.25

36

57.50

6.75

8.44

40.25

41.88

14.25

3395

6210

20

3.62

50.75

38

57.50

7.50

8.50

43.25

42.25

13.88

3385

6253

20

3.62

50.75

40

59.50

7.75

8.81

45.75

44.38

14.31

3620

6940

24

3.62

52.75

42

61.50

8.12

9.12

47.75

46.31

14.62

3960

7675

24

3.62

54.75

44

64.88

8.44

9.56

50

48.62

15.38

4300

8955

24

3.88

57.62

46

68.25

8.88

10.88

52.50

50.88

16.18

4640

10426

24

4.12

60.50

48

70.25

9.19

10.88

54.50

52.88

16.50

4980

11398

24

4.12

60.50


ASME B16.47 B 系列法兰的尺寸和重量 (尺寸为英制 Inch)

CLASS 75

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

30

1.25

1.25

27.75

26.63

2.25

80

255

36

0.75

28.50

28

32

1.25

1.25

29.75

28.63

2.38

85

290

40

0.75

30.50

30

34

1.25

1.25

31.75

30.63

2.50

90

330

44

0.75

32.50

32

36

1.32

1.38

33.75

32.63

2.69

105

390

48

0.75

34.50

34

38

1.32

1.44

35.75

34.63

2.82

110

430

52

0.75

36.50

36

40.69

1.38

1.61

38

36.81

3.32

145

58

40

0.75

39.06

38

42.69

1.44

1.69

40

38.81

3.44

160

595

40

0.88

41.06

40

44.69

1.44

1.69

42

40.81

3.57

170

760

44

0.88

43.06

42

16.69

1.50

1.82

44

42.81

3.69

185

895

48

0.88

45.06

44

49.25

1.63

1.88

46.25

44.88

4.07

230

1065

36

1

47.38

46

51.25

1.69

1.94

48.25

46.88

4.19

245

1185

40

1

49.38

48

53.25

1.75

2.07

50.25

48.88

4.32

270

1315

44

1

51.38

50

55.25

1.82

2.13

52.25

50.94

4.50

290

1505

44

1

53.38

52

57.38

1.82

2.19

54.25

52.94

4.69

310

1665

48

1

55.50

54

59.38

1.88

2.31

56.25

55

4.88

340

1840

48

1

57.50

56

62

1.94

2.38

58.50

57.13

5.25

400

2110

40

1.12

59.88

58

64

2

2.44

60.50

59.13

5.38

430

2300

44

1.12

61.88

60

66

2.13

2.56

62.50

61.13

5.63

475

2500

44

1.12

63.88


CLASS 150

Flange NPS

Outside
Diam.

Minimum Thickness

O.D.
of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt
Circle Diam.

26

30.94

1.57

1.69

28

26.94

3.44

120

375

36

0.88

29.31

28

32.94

1.69

1.82

30

28.94

3.69

140

455

40

0.88

31.31

30

34.94

1.69

1.94

32

31

3.88

150

545

44

0.88

33.31

32

37.06

1.75

2.07

34

33.06

4.19

170

648

48

0.88

35.44

34

39.56

1.88

2.13

36.25

35.12

4.28

210

782

40

1

37.69

36

41.62

2

2.25

38.25

37.19

4.57

240

890

44

1

39.75

38

44.25

2.07

2.44

40.25

39.25

4.82

290

1090

40

1.12

42.12

40

46.25

2.13

2.57

42.50

41.31

5

310

1247

44

1.12

44.12

42

48.25

2.25

2.63

44.50

43.38

5.19

345

1393

48

1.12

46.12

44

50.25

2.32

2.75

46.50

45.38

5.32

310

1579

52

1.12

48.12

46

52.81

2.38

2.88

48.62

47.44

5.63

435

1825

40

1.25

50.56

48

54.81

2.50

3

50.75

48.50

5.82

480

2045

44

1.25

52.56

50

56.81

2.63

3.13

52.75

51.50

6

520

2284

48

1.25

54.56

52

58.81

2.69

3.25

54.75

53.56

6.13

520

2547

52

1.25

56.56

54

61

2.75

3.38

56.75

55.62

6.32

620

2848

56

1.25

58.75

56

63

2.82

3.50

58.75

57.69

6.50

650

3145

60

1.25

60.75

58

65.94

2.88

3.62

60.75

59.69

6.82

780

3560

48

1.38

63.44

60

67.94

2.94

3.75

63

61.81

7

850

3913

52

1.38

65.44


CLASS 300

Flange NPS

Outside
Diam.

Minimum Thickness

O.D.
of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt
Circle Diam.

26

34.12

3.44

3.44

29

26.19

5.63

400

905

32

1.38

31.62

28

36.25

3.44

3.44

31

28.19

5.81

450

1023

36

1.38

33.75

30

39

3.63

3.63

33.25

30.25

6.16

550

1250

36

1.50

36.25

32

41.50

4

4

35.50

32.25

6.56

685

1556

32

1.62

38.50

34

43.62

4

4

37.50

34.25

6.75

750

1719

36

1.62

40.62

36

46.12

4

4

39.75

36.25

7.06

840

1920

32

1.75

42.88

38

48.12

4.31

4.31

41.75

38.25

7.50

915

2257

36

1.75

44.88

40

50.12

4.50

4.50

43.88

40.25

7.75

990

2550

40

1.75

46.88

42

52.50

4.63

4.63

46

42.31

8

1135

2875

36

1.88

49

44

54.50

4.94

4.94

48

44.31

8.38

1235

3305

40

1.88

51

46

57.50

5

5.06

50

46.31

8.69

1470

3766

36

2

53.75

48

59.50

5

5.25

52.25

48.31

8.75

1575

4183

40

2

55.75

50

61.50

5.38

5.44

54.25

50.31

9.19

1710

4629

44

2

57.75

52

63.50

5.56

5.61

56.25

52.31

9.50

1840

5096

48

2

59.75

54

65.88

5.32

5.81

58.25

54.31

9.38

1980

5679

48

2

62.12

56

69.50

6

6.12

60.50

56.31

10.50

2295

6642

36

2.38

65

58

71.94

6

6.31

62.75

58.31

10.75

2770

7347

40

2.38

67.44

60

73.94

5.88

6.50

65

60.31

10.63

2870

7980

40

2.38

69.44


CLASS 400

Flange NPS

Outside
Diam.

Minimum Thickness

O.D.
of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

33.50

3.50

3.50

28

27.12

5.88

360

875

28

1.50

30.75

28

36

3.75

3.75

30

29.12

6.25

450

1081

24

1.62

33

30

38.25

4

4

32.25

31.25

6.69

530

1302

28

1.62

35.25

32

40.75

4.25

4.25

34.38

33.25

7.06

635

1570

28

1.75

37.50

34

42.75

4.38

4.38

36.50

35.38

7.38

690

1780

32

1.75

39.50

36

45.50

4.69

4.69

38.62

37.50

7.88

855

2160

28

1.88

42


CLASS 600

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

35

4.38

4.38

28.62

27.50

7.12

550

1195

28

1.75

31.75

28

37.50

4.56

4.56

30.88

29.62

7.50

650

1427

28

1.88

34

30

40.25

4.94

5

33.12

31.75

8.062

810

1800

28

2

36.50

32

42.75

5.12

5.31

35.25

33.88

8.50

950

2160

28

2.12

38.75

34

45.75

5.56

5.68

37.50

36

9.19

1205

2645

24

2.38

41.50

36

47.75

5.75

5.94

39.75

38.12

9.56

1340

3013

28

2.38

43.50


 CLASS 900

Flange NPS

Outside
Diam.

Minimum Thickness

O.D. of
Raised
Face

Hub
Diam.

Length
Thru Hub

Approx. Weight (lbs)

Drilling

Weld Neck Flange

Blind

Weld Neck Flange

Weld Neck Flange

Blind Flange

No. Holes

Diam.
Holes

Bolt Circle
Diam.

26

40.25

5.31

6.06

30

29.25

10.19

1050

2185

20

2.63

35.50

28

43.50

5.81

6.56

32.25

31.38

10.88

1520

2762

20

2.88

38.25

30

46.50

6.12

6.93

34.50

33.50

11.38

1820

3334

20

3.13

40.75

32

48.75

6.31

7.31

36.50

35.75

11.94

2065

3865

20

3.13

43

34

51.75

6.75

7.68

39

37.88

12.56

2450

4575

20

3.38

45.50

36

53

6.81

7.94

40.50

40

12.81

2520

4963

24

3.13

47.25


ASME B16.47法兰的公差

OD

±0.12″

±3.2mm

The diameter of Flange Face

0.06″ (1.66mm) raised face

±0.08″

±2.0mm

0.25″ (6.44mm) raised face

±0.04″

±1.2mm

The diameter of the Hub at the Point of Welding

±0.21″, -0.06″

±5.5mm, -1.6mm

ID

±0.12″, -0.06″

±3.2mm, -1.6mm

Thk.

Up to 1.0″ Thickness

±0.12″, -0.00″

±3.2mm, -0.00mm

1.0″ to 2.0″

±0.19″, -0.00″

±4.8mm, -0.00mm

2.0″ to 3.0″

±0.31″, -0.00″

±7.9mm, -0.00mm

Over 3.0′ Thickness

±0.38″, -0.00″

±9.6mm, -0.00mm

Bolts Drilling

Bolt Circle Diameter

±0.06″

±1.6mm

Bolt Hole Spacing

±0.03″

±0.8mm

The eccentricity of the Bolt Circle and Facing vs.  Bore

±0.06″

±1.6mm

Length Through Hub for Welding Neck Flanges

±0.19″

±4.8mm