· PDF file3 Contents Vacuum flange dimensions and Vacuum flange dimensional tolerance （JIS B 2220：2012）（ASME B16.5）（ASME B16.5）（ASME B16.5）（ASME B16.5）

3

Contents

Vacuum flange dimensions andVacuum flange dimensional tolerance

（JIS B 2220：2012）

（ASME B16.5）

（ASME B16.5）

（ASME B16.5）

（ASME B16.5）

（ASME B16.5）

（ASME B16.5）

（ASME B16.5）

（ASME B16.5）

（ASME B16.5）

（ASME B16.5）

（ASME B16.47）

（ASME B16.47）

（JIS B 2220：2012）

（JIS B 2220：2004）

（JIS B 2220：2012）

（JIS B 2220：2012）

（JIS B 2220：2012）

（JIS B 2220：2012）

（JIS B 2220：2012）

（JIS B 2220：2012）

（JIS B 2220：2012）

（JIS B 2220：2012）

（JIS B 2220：2012）

（JIS B 2220：2012）

4

6

8

9

10

12

14

16

17

18

19

20

21

（ASME B16.47） 24

25

26

27

28

29

31

32

34

36

38

40

42

43

44

46

Page

Classification of flanges

Wall thickness of pipe to be used

Materials for steel flanges

Dimensional tolerance for ASME and JPI flanges

Dimensional tolerance for gasket contact facings

Class 150/300 flange dimensions



Class 2500 flange dimensions

Shapes and dimensions of gasket contact face

Class 150/300 flange weight

Class 400/600 flange weight

Class 900/1500/2500 flange weight

Class 150/300 Series A large diameter flange dimensions

Class 75/150 Series B large diameter flange dimensions

Dimensional tolerance for JIS flanges

Shapes and Dimensions of gasket contact faceShapes and Dimensions of gasket contact face

Basic dimensions of JIS 2K flanges

JIS 5K flange dimensions







Weight of JIS flanges

Class 300/400/600/900 Series B large diameter flangedimensions

（ASME B16.47） 22Class 400/600/900 Series A large diameter flangedimensions

ASME StandardFlange bore and diameter of hub at bevel


JISA B ASME Sch 5S Sch 10S Sch 20S GS Sch 10 Sch 20 Sch 30 STD8

10

15

20

25

32

40

50

65

80

90

100

125

150

175

200

225

250

300

350

400

450

500

550

600

650

700

750

800

850

900

950

1000

1050

1100

1150

1200

1250

1300

1350

1400

1450

1500

1／43／81／23／4

1

1 1／4

1 1／2

2

2 1／2

3

3 1／2

4

5

6

7

8

9

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

50

52

54

56

58

60

13.8

17.3

21.7

27.2

34.0

42.7

48.6

60.5

76.3

89.1

101.6

114.3

139.8

165.2

190.7

216.3

241.8

267.4

318.5

355.6

406.4

457.2

508.0

558.8

609.6

660.4

711.2

762.0

812.8

863.6

914.4

965.2

1016.0

1066.8

1117.6

1168.4

1219.2

1270.0

1320.8

1371.6

1422.4

1473.2

1524.0

13.7

17.1

21.3

26.7

33.4

42.2

48.3

60.3

73.0

88.9

101.6

114.3

141.3

168.3

－

219.1

－

273.0

323.8

355.6

406.4

457.0

508.0

559.0

610.0

660.0

711.0

762.0

813.0

864.0

914.0

965.0

1016.0

1067.0

1118.0

1168.0

1219.0

1270.0

1321.0

1372.0

1422.0

1473.0

1524.0

1.2

1.2

1.65

1.65

1.65

1.65

1.65

1.65

2.1

2.1

2.1

2.1

2.8

2.8

－

2.8

－

3.4

4.0

4.0

4.5

4.5

5.0

5.0

5.5

5.5

5.5

6.5

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

1.65

1.65

2.1

2.1

2.8

2.8

2.8

2.8

3.0

3.0

3.0

3.0

3.4

3.4

－

4.0

－

4.0

4.5

5.0

5.0

5.0

5.5

5.5

6.5

8.0

8.0

8.0

8.0

8.0

8.0

－

9.5

－

－

－

－

－

－

－

－

－

－

2.0

2.0

2.5

2.5

3.0

3.0

3.0

3.5

3.5

4.0

4.0

4.0

5.0

5.0

－

6.5

－

6.5

6.5

8.0

8.0

8.0

9.5

9.5

9.5

12.7

12.7

12.7

12.7

12.7

12.7

－

14.3

－

－

－

－

－

－

－

－

－

－

2.3

2.3

2.8

2.8

3.2

3.5

3.5

3.8

4.2

4.2

4.2

4.5

4.5

5.0

5.3

5.8

6.2

6.6

6.9

7.9

7.9

7.9

7.9

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

6.4

6.4

6.4

6.4

6.4

6.4

7.9

7.9

7.9

7.9

7.9

7.9

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

3.2

4.5

4.5

4.5

4.9

5.1

5.5

－

6.4

－

6.4

6.4

7.9

7.9

7.9

9.5

9.5

9.5

12.7

12.7

12.7

12.7

12.7

12.7

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

7.0

－

7.8

8.4

9.5

9.5

11.1

12.7

12.7

14.3

－

15.9

15.9

15.9

15.9

15.9

－

－

－

－

－

－

－

－

－

－

－

－

(2.2)

(2.3)

(2.8)

(2.9)

(3.4)

(3.6)

(3.7)

(3.9)

(5.2)

(5.5)

(5.7)

(6.0)

(6.6)

(7.1)

－

(8.2)

－

(9.3)

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

9.5

★9.5

★9.5

★9.5

★9.5

★9.5

★9.5

ThicknessNominal Size Outside Diameter of Steel Pipe

Notes:①“★”・・・regulation of MDMETAL. ②“（）”・・・The same as the Sch40 and Sch80 of thickness ③Outside Diameter of Steel Pipe of ASME Standard is in accordance with ASME B36.10M-2004.

4


XSSch 40 Sch 60 Sch 80 Sch 100 Sch 120 Sch 140 Sch 160 XXS JIS ASME A B2.2

2.3

2.8

2.9

3.4

3.6

3.7

3.9

5.2

5.5

5.7

6.0

6.6

7.1

－

8.2

－

9.3

10.3

11.1

12.7

14.3

15.1

15.9

17.5

－

17.5

17.5

17.5

17.5

19.1

－

26.2

－

－

－

－

－

－

－

－

－

－

2.4

2.8

3.2

3.4

3.9

4.5

4.5

4.9

6.0

6.6

7.0

7.1

8.1

9.3

－

10.3

－

12.7

14.3

15.1

16.7

19.0

20.6

22.2

24.6

26.4

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

3.0

3.2

3.7

3.9

4.5

4.9

5.1

5.5

7.0

7.6

8.1

8.6

9.5

11.0

－

12.7

－

15.1

17.4

19.0

21.4

23.8

26.2

28.6

31.0

34.4

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

15.1

－

18.2

21.4

23.8

26.2

29.4

32.5

34.9

38.9

41.6

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

11.1

12.7

14.3

－

18.2

－

21.4

25.4

27.8

30.9

34.9

38.1

41.3

46.0

49.1

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

20.6

－

25.4

28.6

31.8

36.5

39.7

44.4

47.6

52.4

56.6

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

4.7

5.5

6.4

6.4

7.1

8.7

9.5

11.1

12.7

13.5

15.9

18.2

－

23.0

－

28.6

33.3

35.7

40.5

45.2

50.0

54.0

59.5

64.2

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

7.5

7.8

9.1

9.7

10.2

11.1

14.0

15.2

－

17.1

19.0

21.9

－

22.2

－

25.4

25.4

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

13.8

17.3

21.7

27.2

34.0

42.7

48.6

60.5

76.3

89.1

101.6

114.3

139.8

165.2

190.7

216.3

241.8

267.4

318.5

355.6

406.4

457.2

508.0

558.8

609.6

660.4

711.2

762.0

812.8

863.6

914.4

965.2

1016.0

1066.8

1117.6

1168.4

1219.2

1270.0

1320.8

1371.6

1422.4

1473.2

1524.0

(3.0)

(3.2)

(3.7)

(3.9)

(4.5)

(4.9)

(5.1)

(5.5)

(7.0)

(7.6)

(8.1)

(8.6)

(9.5)

(11.0)

－

(12.7)

－

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

12.7

★12.7

★12.7

★12.7

★12.7

★12.7

★12.7

13.7

17.1

21.3

26.7

33.4

42.2

48.3

60.3

73.0

88.9

101.6

114.3

141.3

168.3

－

219.1

－

273.0

323.8

355.6

406.4

457.0

508.0

559.0

610.0

660.0

711.0

762.0

813.0

864.0

914.0

965.0

1016.0

1067.0

1118.0

1168.0

1219.0

1270.0

1321.0

1372.0

1422.0

1473.0

1524.0

8

10

15

20

25

32

40

50

65

80

90

100

125

150

175

200

225

250

300

350

400

450

500

550

600

650

700

750

800

850

900

950

1000

1050

1100

1150

1200

1250

1300

1350

1400

1450

1500

Thickness Nominal SizeOutside Diameter of Steel Pipe

1／43／81／23／4

1

1 1／4

1 1／2

2

2 1／2

3

3 1／2

4

5

6

7

8

9

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

50

52

54

56

58

60

Unit：mm

Notes:①“★”・・・regulation of MDMETAL. ②“（）”・・・The same as the Sch40 and Sch80 of thickness ③Outside Diameter of Steel Pipe of ASME Standard is in accordance with ASME B36.10M-2004.

5

6


Standard No. Symbol of class Yield point

N/mm2

JIS G 3101 （SS41） 215～245 min. 400～510①（22～25）min. ①17～24 min.

245265195225245250205205250225205245250255260275275275275245275275345450450380380275315275275275205315310205315310205205205205175170205205205205205205175170205205205205205205

400 min.440 min.390～490440～540490～640485 min.410～560415 min.485 min.440～590415～585490～640485～655490～640485～655480～660485 min.480～660485 min.410～590480～660485 min.550～730620～780620 min.590～760585 min.480～660520～690485 min.480～660485 min.410～590520～690515 min.410～590520～690515 min.520 min.515 min.520 min.515 min.480 min.485 min.520 min.515 min.520 min.515 min.520 min.515 min.480 min.485 min.520 min.515 min.520 min.515 min.520 min.515 min.

（41～52）

min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.

（40～50）（45～55）（50～65）70,000 min.（42～57）60,000 min.70,000 min.（45～60）60,000～85,000（50～65）70,000～95,000（50～65）70,000～95,000（49～67）70,000 min.（49～67）70,000 min.（42～60）（49～67）70,000 min.（56～74）（63～80）90,000 min.（60～77）85,000 min.（49～67）（53～70）70,000 min.（49～67）70,000 min.（42～60）（53～70）75,000 min.（42～60）（53～70）75,000 min.（53）min.75,000 min.（53）min.75,000 min.（46）min.70,000 min.（53）min.75,000 min.（53）min.75,000 min.（53）min.75,000 min.（46）min.70,000 min.（53）min.75,000 min.（53）min.75,000 min.（53）min.75,000 min.

（N）28 min.（N）27 min.

◎◎

（N）116～174（N）123～183105 min.121 min.ー

187 以下ーーーーーーーーーー

143～192ー

143～192ーー

143～217ーー

187～248ー

179～217ーー

143～207ー

143～207ーー

156～207ーー

156～207187 max.ー

187 max.ー

187 max.ー

187 max.ー

187 max.ー

187 max.ー

187 max.ー

187 max.ー

187 max.ー

187 max.ー

◎◎

182221221822251922192218201820181820181822182018182018201818201818204330433029303430433043302930433043304330

min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.

333038352438383030353535303530403535353550404035353035304035304035305050505050505050505050505050505050505050

min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.min.

JIS G 4051

JIS G 3201

JIS G 3202ASTM A105

JIS G 3205ASTM A350

JIS G 3203ASTM A182

JIS G 3214ASTM A182

JIS G 3202ASTM A181ASTM A181

（kg/mm2）P.S.I （MPa） % % HB（kg/mm2）

P.S.I

Elongation Reduction of areaTensile Strength Hardness

Mechanical for steel flanges

⑤

（MPa） N/mm2

SS400

（N）（25）min.（N）（27）min.（20）min.（23）min.

（23）min.30,000 min.

（25）min.36,000 min.（21）min.30,000 min.36,000 min.

（25）min.36,000 min.（26）min.37,500 min.（28）min.40,000 min.（28）min.40,000 min.（25）min.（28）min.40,000 min.（35）min.（46）min.65,000 min.（39）min.55,000 min.

（28）min.40,000 min.（21）min.（32）min.45,000 min.（21）min.（32）min.45,000 min.（21）min.30,000 min.（21）min.30,000 min.

（21）min.30,000 min.（21）min.30,000 min.（21）min.30,000 min.

（21）min.30,000 min.（21）min.30,000 min.（21）min.30,000 min.

（18）min.25,000 min.

（18）min.25,000 min.

（28）min.（32）min.40,000 min.

S20CS25C

SFVC 2Aー

SFVC 1 CLASS 60CLASS 70SFL 1LF 1SFL 2LF 2SFL 3LF 3

SFVA F1F1

SFVA F2F2

SFVA F5ASFVA F5BF5

SFVA F5CSFVA F5DF5a

SFVA F9F9

SFVA F11ASFVA F11BF11 Class 2SFVA F12F12 Class 2SFVA F21ASFVA F21BF21

SFVA F22ASFVA F22BF22 Class 3SUS F304F304

SUS F304HF304H

SUS F304LF304LSUS F310F310

SUS F316F316

SUS F316HF316H

SUS F316LF316LSUS F321F321

SUS F347F347

SUS F321HF321H

SF390A（SF40A）SF440A（SF45A）

（N）（41）min.（N）（45）min.

7


Chemical Composition

%

C

%

S i

%

Mn

%

P

%

0.050 max. 0.050 以下

（Cu 0.40%、Ni 0.40%、Cr 0.30%、Mo 0.12% V 0.08%以下）

S

%

Ni

%

Cr

%

Mo

0.15～0.350.15～0.350.15～0.500.15～0.500.35 max.0.10～0.350.35 max.0.10～0.350.10～0.350.35 max.0.15～0.300.35 max.0.15～0.300.35 max.0.20～0.350.35 max.0.15～0.350.60 max.0.10～0.600.50 max.0.50 max.0.50 max.0.50 max.0.50 max.0.50 max.0.50～1.000.50～1.000.50～1.000.50～1.000.50～1.000.60 max.0.10～0.600.50 max.0.50 max.0.50 max.0.50 max.0.50 max.0.50 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.1.00 max.

0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.035 max.0.030 max.0.050 max.0.050 max.0.030 max.0.035 max.0.030 max.0.035 max.0.030 max.0.035 max.0.030 max.0.045 max.0.030 max.0.040 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.040 max.0.030 max.0.030 max.0.030 max.0.030 max.0.040 max.0.030 max.0.040 max.0.030 max.0.030 max.0.040 max.0.030 max.0.030 max.0.040 max.0.040 max.0.045 max.0.040 max.0.045 max.0.040 max.0.045 max.0.040 max.0.045 max.0.040 max.0.045 max.0.040 max.0.045 max.0.040 max.0.045 max.0.040 max.0.045 max.0.040 max.0.045 max.0.040 max.0.045 max.

0.035 max.0.035 max.0.035 max.0.035 max.0.030 max.0.040 max.0.030 max.0.050 max.0.050 max.0.030 max.0.040 max.0.030 max.0.040 max.0.030 max.0.040 max.0.030 max.0.045 max.0.030 max.0.040 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.040 max.0.030 max.0.040 max.0.030 max.0.030 max.0.040 max.0.030 max.0.030 max.0.040 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.0.030 max.

0.18～0.230.22～0.280.60 max.0.60 max.0.35 max.0.35 max.0.30 max.0.35 max.0.35 max.0.30 max.0.30 max.0.30 max.0.30 max.0.20 max.0.20 max.0.30 max.0.28 max.0.20 max.0.05～0.210.15 max.0.15 max.0.15 max.0.25 max.0.25 max.0.25 max.0.15 max.0.15 max.0.20 max.0.20 max.0.10～0.200.20 max.0.10～0.200.15 max.0.15 max.0.05～0.150.15 max.0.15 max.0.05～0.150.08 max.0.08 max.0.04～0.100.04～0.100.030 max.0.030 max.0.15 max.0.25 max.0.08 max.0.08 max.0.04～0.100.030 max.0.030 max.0.08 max.0.08 max.0.08 max.0.08 max.0.04～0.100.04～0.10

②②

③③

④

0.30～0.600.30～0.600.30～1.200.30～1.200.40～1.100.60～1.050.40～1.351.10 max.1.10 max.1.35 max.0.60～1.351.35 max.0.60～1.350.90 max.0.90 max.0.60～0.900.60～0.900.30～0.800.30～0.800.30～0.600.30～0.600.30～0.600.30～0.600.30～0.600.60 max.0.30～0.600.30～0.600.30～0.800.30～0.800.30～0.800.30～0.800.30～0.800.30～0.600.30～0.600.30～0.600.30～0.600.30～0.600.30～0.602.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.2.00 max.

②

③③

④

（Cu 0.30%、Ni 0.20%、Cr 0.20%、Ni＋Cr 0.35以下）

0.40 max. 0.30 max. 0.12 max.

0.40 max.3.25～3.753.30～3.70

0.45～0.650.44～0.650.45～0.650.44～0.650.45～0.650.45～0.650.44～0.650.45～0.650.45～0.650.44～0.650.90～1.100.90～1.100.45～0.650.45～0.650.44～0.650.45～0.650.44～0.650.80～1.000.80～1.000.80～1.060.90～1.100.90～1.100.87～1.13

2.00～3.002.00～3.002.00～3.002.00～3.002.00～3.002.00～3.00

0.50～ 0.80 0.50～ 0.81 4.00～ 6.00 4.00～ 6.00 4.00～ 6.00 4.00～ 6.00 4.00～ 6.00 4.00～ 6.00 8.00～10.00 8.00～10.00 1.00～ 1.50 1.00～ 1.50 1.00～ 1.50 0.80～ 1.25 0.80～ 1.25 2.65～ 3.35 2.65～ 3.35 2.70～ 3.30 2.00～ 2.50 2.00～ 2.50 2.00～ 2.5018.00～20.0018.00～20.0018.00～20.0018.00～20.0018.00～20.0018.00～20.0024.00～26.0024.00～26.0016.00～18.0016.00～18.0016.00～18.0016.00～18.0016.00～18.0016.00～18.0017.00 min.17.00～19.0017.00～20.0017.00～20.0017.00 min.17.00～19.00

0.50 max.

0.50 max.

8.00～11.00 8.00～11.00 8.00～12.00 8.00～11.00 9.00～13.00 8.00～13.0019.00～22.0019.00～22.0010.00～14.0010.00～14.0011.00～14.0010.00～14.0012.00～15.0010.00～15.00 9.00～12.00 9.00～12.00 9.00～13.00 9.00～13.00 9.00～12.00 9.00～12.00

0.30 max. 0.12 max.

0.30 max. 0.12 max.

※37.5°±2.5° for ASME B16.47　32.5°±2.5° for JPI-7S-43

※※ The outside diameter H at the end of hub is equal to the outside diameter of the pipe in Series A But differs from it in Series B.

8

Dimensional tolerance forASME and JPI flanges

ASME 16.5 Large Diameter Steel FlangesJPI-7S-15 Large Diameter Carbon Steel Flanges for Petroleum Industry

ASME-B16.47 Large Diameter Steel FlangesJPI-7S-43 Large Diameter Carbon Steel Flanges for Petroleum Industry

Welding Neck Blind

Welding Bevel End for Wall Thickness（t）22.2mm and under Welding Bevel End for Wall Thickness（t）over 22.2mm

Outside Dia.

Bore

Dia. at Baseof Hub

Dia.of Hubat Bevel

Thickness

Length thruHub

Bolt Holes

Thickness atBevel End

A

X

O t

C Bolt Circle Dia.

B1 WN

WN

WN

B2B3

Y1

Y2Y3

WN

SOSWLJTRB2

SOLJ

SW

610 mm max.Over 610 mm

450A（18B） max.500A（20B） & Over

610 mm max.Over 610 mm

250A（10B） max.300A～450A（12B～18B）500A（20B） & Over

100A（4B） max.125A～250A（5B～10B）300A（12B） & Over

±1.6±3.2

±0.8±1.6

＋3.2　－1.6

±1.6＋1.6　－3.2＋3.2　－4.8

±1.6

Interval of Bolt Holes ±0.8

H Dia. of Bolt Holes ±0.5

Eccentricity betweenBore and Bolt Circle Dia. 0.8 max.

Eccentricity betweenBore & Raised Face Dia 0.8 max.

W For all Nominal Pipe Size －12.5％

450A（18B） max.500A（20B） & Over

＋3.2　－0.8＋4.8　－1.6

250A（10B） max.300A（12B） & Over

15A～50A（1／2B～2B）65A～80A（21／2B～3B）

B1±0.4±0.8

±1.6±3.2

15A～50A（1／2B～2B）65A～80A（21／2B～3B）

＋0.8　　 0＋1.6　　 0

＋3.2　　 0＋4.8　　 0

SOSWLJTR

300A（12B） max.350A（14B） & Over

＋1.6　－0.8＋3.2　－1.6

125A（5B） max.150A（6B） & Over

＋2.4　－0.8＋4.0　－0.8

＋0.3　　 0＋0.4　　 0

Part of flange Division by dimension Dimensionaltolerances Part of flange Division by dimension Dimensional

tolerances

ASME 16.5/ASME B16.47JPI-7S-15-1999/JPI-7S-43-1999

Unit：mm

Thickness of Hub End t For all sizes －12.5％

Parallelism between bearing surface of nut and gasket contact face

Eccentricity between Bore and Bolt Circle Dia.

Eccentricity between Bore and Raised Face Dia.

Eccentricity between Bolt Circle Dia. and Machined Raised Face Dia.

1°max.

c Bolt Circle Dia. ±1.6

Bolt Holes d Dia. of Bolt Holes ±0.5

Interval of Bolt Holes ±0.8

0.8 max.

0.8 max.

±1.6

Part of flange Division by dimension Dimensionaltolerances

Outside Dia. O For all sizes ±3.2Bore B For all sizes ＋3.2　－1.6

Hub Dia.At Bevel of Hub ＋5.3　－1.6H

X At Base of Hub ±3.2

Dia. of Raised Face1.6mm Raised Face ±2

R6.5mm Raised Face ±1

Q50.8mm incl. ＋4.8　　 0

ThicknessQ1

Over 50.8mm to 76.2mm incl. ＋7.9　　 0Over 76.2mm ＋9.7　　 0

Length Y For all sizes ±4.8


Unit：mm

Min.R 3.2mm

Max.7° Max. 7° Max. 7° Max. 7°

Min. 6.4mm

1:3 max. Slope

1:3 max. Slope

Min. 6.4mm

Max. 7° Max. 7°

Max. 45°

Max. 45°Max. 45°

Max. 45°Min. R3 Min. R3

Min. R3.2

Min. R3

9

ASME 16.5 Pipe Flanges and Flanged FittingsJPI-7S-15 Pipe Flanges for the Petroleum Industry

ASME B16.5JPI-7S-15-1999

Depth E

For all Nominal Pipe Size

r ＝ 1.5mm max.Over r ＝ 1.5mm

＋0.41　　0Ring Joint Face

Width F ±0.20Pitch Dia. P ±0.13Angle 23° ±0.5°Diam. K min.

Radius at Bottom r＋0.8　　0±0.8


R

S, T, W, X, Y, U, ZK, L

When t1 ＝ 6.4mm

When g1 ＝ 4.8mm

±0.8±0.5

1.6mm Raised Face6.4mm Raised FaceDia. of Gasket

Contact Face min.±0.5

＋0.4　　0Depth of GasketContact Face 0　－0.4


Unit：mm

Slip-on WeldingSO

Welding NeckWN

Socket WeldingSW

LappedLJ

ThreadedTR

BlindBL

Flat FaceFF

Raised FaceRF

Raised FaceRF

Male FaceMF-M

Female FaceMF-F Wall Thickness（W）22.2mm and under

Welding Bevel Ends of Welding Neck Flanges JPI-7S-15

Wall Thickness（W）over 22.2mm

Tongue FaceTG-T

Groove FaceTG-G Wall Thickness（W）22.2mm and under

Welding Bevel Ends of Welding Neck Flanges ASME B16.5

Wall Thickness（W）over 22.2mm

Class 150 & 300 Class 400 & Over

Ring Joint FaceRTJ

Dimensional tolerance for gasket contact facings

Notes:Height of raised portion is equal to the depth of groove dimension E, but is not subjected to the tolerance for E.

10

Class 150/300 flange dimensionsASME B16.5

JPI-7S-15-1999

Slip-on Welding（SO） Lapped（LJ） Welding Neck（WN） Blind（BL）

CLASS 150 Unit：mm

Unit：mmCLASS 300

Nominal Size OutsideDiameter

Thick-ness

Thick-ness

Length thru Hub Bolt HolesRaisedFaceDiam.

Diam.of HubWN LJ

SOSWTR

BoltCircleDiam.

Diam.Num-Ber

CornerRadiusof Bore

Depthof

Socket

Counter-Bore

ThreadLength

LJ SW TRr1A B O t Y1 Y2 Y3 X R D B4 Q C H

152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

11.212.714.315.817.619.122.423.923.923.923.925.428.530.331.835.136.639.743.047.8

8999108117127152178190216229254279343406483535595635700815

47.852.355.657.262.063.569.869.871.476.288.988.9101.6101.6114.3127.0127.0139.7144.5152.4

161618212225283032333740444956

5764687383

798797103111

30.038.049.558.565.077.590.5108122135164192246305365400457505559663

35.142.950.863.573.291.9104.6127.0139.7157.2185.7215.9269.7323.8381.0412.8469.9533.4584.2692.2

333568810101111131313131313131313

1011131416181921－－－－－－－－－－－－

Cham-fered tomajordiam. ofthread at 45°

16161821222528303233374044.449.355.657.263.568.373.282.6

60.569.879.288.998.6120.6139.7152.4177.8190.5215.9241.3298.4362.0431.8476.2539.8577.8635.0749.3

444444448888812121216162020

1616161616191919191922222226262929323235



Diam.of HubWN LJ

SOSWTR

BoltCircleDiam.

Diam.Num-Ber

CornerRadiusof Bore

Depthof

Socket

Counter-Bore

ThreadLength

LJ SW TRr1A B O t Y1 Y2 Y3 X R D B4 Q C H

152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

14.315.817.619.120.622.425.428.530.331.835.136.641.247.850.853.957.260.563.569.9

95117124133155165190210229254279318381444520585650710775915

52.357.262.065.068.369.876.279.281.085.998.698.6111.3117.3130.0142.7146.0158.8162.1168.1

22252727303338434448515262

38.048.054.063.570.084.0100117133146178206260321375425483533587702

35.142.950.863.573.291.9104.6127.0139.7157.2185.7215.9269.7323.8381.0412.8469.9533.4584.2692.2

333568810101111131313131313131313

1011131416181921－－－－－－－－－－－－

15.715.717.520.622.428.431.831.836.636.642.946.050.855.660.563.568.369.873.282.6

66.582.688.998.6114.3127.0149.4168.1184.2200.2235.0269.7330.2387.4450.8514.4571.5628.6685.8812.8

44444888888121216162020242424

1619191922192222222222222629323235353542

677376838995105

95102111121130140152

23.529.036.044.550.563.576.092.0105.0118.0145.0171.0222.0276.0329.0360.0411.0462.0513.0614.0

Notes:The numerical values in blue indicates the dimensions prescribed by ASME B16.5

Min. R4.8Min. R4.8 Min. R4.8Max. 7°

Max. 7°

A152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

B

Nominal Size

A B152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

11

Class 150/300 flange dimensions ASME B16.5JPI-7S-15-1999

Ring joint face（RTJ）Threaded（TR）Socket Welding（SW）

Unit：mmDimensions of Ring joint Facings

Unit：mm

JPI Flange Bore

GrooveNumber

Diam.ofRaisedPortion

K

PitchDiam. Depth

CornerRadius atbottom

SOSW

LJWNDiam.ofHub atbevel

Width WN/SW　B1

Nominal Size

Dimensions of Ring joint Facings JPI Flange Bore

GrooveNumber


PitchDiam. Depth


SOSW

LJWNDiam.ofHub atbevel

Width WN/SW　B1

P E F r2 B2 B3 A Sch 5S Sch 10S Sch 40 Sch 80 Sch 160－－R15R17R19R22R25R29R33R36R40R43R48R52R56R59R64R68R72R76

－－63.573.583.0102121134154172194219274331407426483547597712

－－47.6257.1565.0782.55101.60114.30131.78149.22171.45193.68274.65304.80381.00396.88454.02517.52558.80673.10

－－6.356.356.356.356.356.356.356.356.356.356.356.356.356.356.356.356.356.35

－－8.748.748.748.748.748.748.748.748.748.748.748.748.748.748.748.748.748.74

－－0.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.8

22.227.734.543.249.161.177.190.0102.6115.4141.2166.6218.0269.5321.0358.1409.0460.0511.0613.0

23.428.935.644.350.462.778.791.6104.1116.9143.0168.4219.5271.7322.8－－－－－

21.727.234.042.748.660.576.389.1101.6114.3139.8165.2216.3267.4318.5355.6406.4457.2508.0609.6

18.423.930.739.445.357.272.184.997.4110.1134.2159.6210.7260.6310.5347.6397.4448.2498.0598.6

17.523.028.437.143.054.970.383.195.6108.3133.0158.4208.3259.4309.5345.6396.4447.2497.0596.6

16.121.427.235.541.252.765.978.190.2102.3126.6151.0199.9248.8297.9333.4381.0428.6477.8574.6

14.319.425.032.938.449.562.373.985.497.1120.8143.2190.9237.2283.7317.6363.6409.6455.6547.6

12.316.221.229.934.443.157.366.976.287.3108.0128.8170.3210.2251.9284.2325.4366.8408.0490.6

K P E F r2 B2 B3 A Sch 5S Sch 10S Sch 40 Sch 80 Sch 160R11R13R16R18R20R23R26R31R34R37R41R45R49R53R57R61R65R69R73R77

51.063.570.079.590.5108127147159175210242302356413458508575635750

34.1442.8850.8060.3268.2882.55101.60123.82131.78149.22180.98211.12269.88323.85381.00419.10469.90533.40584.20692.15

5.566.356.356.356.357.927.927.927.927.927.927.927.927.927.927.927.927.929.5211.13

7.148.748.748.748.7411.9111.9111.9111.9111.9111.9111.9111.9111.9111.9111.9111.9111.9113.4916.66

0.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.81.51.5

22.227.734.543.249.161.177.190.0102.6115.4141.2166.6218.0269.5321.0358.1409.0460.0511.0613.0

23.428.935.644.350.462.778.791.6104.1116.9143.0168.4219.5271.7322.8－－－－－

21.727.234.042.748.660.576.389.1101.6114.3139.8165.2216.3267.4318.5355.6406.4457.2508.0609.6

18.423.930.739.445.357.272.184.997.4110.1134.2159.6210.7260.6310.5347.6397.4448.2498.0598.6

17.523.028.437.143.054.970.383.195.6108.3133.0158.4208.3259.4309.5345.6396.4447.2497.0596.6

16.121.427.235.541.252.765.978.190.2102.3126.6151.0199.9248.8297.9333.4381.0428.6477.8574.6

14.319.425.032.938.449.562.373.985.497.1120.8143.2190.9237.2283.7317.6363.6409.6455.6547.6

12.316.221.229.934.443.157.366.976.287.3108.0128.8170.3210.2251.9284.2325.4366.8408.0490.6

Notes:Regarding the flange bore B1,B2, & B3 and the diameter A of hub at bevel,refer to“Flange bore and diameter of hub at bevel”of page26.

CLASS 150

CLASS 300

Max. 7° Max. 7°Min. R4.8 Min. R4.8

Details of groove

Details of groove

12

Class 400/600 flange dimensionsASME B16.5

JPI-7S-15-1999


Unit：mm

LJSOSWTR LJ SW TR

r1A B O t Y1 Y2 Y3 X R D B4 Q C H15 90100125150200250300350400450500600

1／2　3 1／2456810121416182024

35.138.141.247.853.957.260.563.566.669.976.2

254279318381444520585650710775915

88.9101.6103.1117.3124.0136.7149.4152.4165.1168.1174.8

51545768

146178206260321375425483533587702

157.2185.7215.9269.7323.8381.0412.8469.9533.4584.2692.2

1111131313131313131313

－－－－－－－－－－－

36.642.946.050.855.660.563.568.369.873.282.6

200.2235.0269.7330.2387.4450.8514.4571.5628.6685.8812.8

88121216162020242424

2626262932353539394248

7379849499102114

102108117127137146159

118.0145.0171.0222.0276.0329.0360.0411.0462.0513.0614.0

Use Class 600 dimensions in these sizes.Socket welding flanges may be provided in NPS 1／2 through 31／2 using Class 600 dimensions.

Unit：mm

LJSOSWTR LJ SW TR

r1A B O t Y1 Y2 Y3 X R D B4 Q C H152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

14.315.817.620.622.425.428.531.835.138.144.547.855.763.566.669.976.282.688.9101.6

95117124133155165190210229273330356419510560605685745815940

52.357.262.066.569.873.279.282.685.9101.6114.3117.3133.4152.4155.4165.1177.8184.2190.5203.2

22252728323741464954606776

38.048.054.063.570.084.0100117133152189222273343400432495546610718

35.142.950.863.573.291.9104.6127.0139.7157.2185.7215.9269.7323.8381.0412.8469.9533.4584.2692.2

333568810101111131313131313131313

1011131416181921－－－－－－－－－－－－

15.715.717.520.622.428.431.835.139.641.147.850.857.265.069.973.277.779.282.691.9

66.582.688.998.6114.3127.0149.4168.1184.2215.9266.7292.1349.2431.8489.0527.0603.2654.0723.9838.2

44444888888121216202020202424

1619191922192222262629293235353942454551

23.529.036.044.550.563.576.092.0105.0118.0145.0171.0222.0276.0329.0360.0411.0462.0513.0614.0

869294106117127140

111117127140152165184


CLASS 400

CLASS 600

Max. 7°Min. R4.8

Max. 7°Min. R4.8

Min. R4.8


Thick-ness


Diam.of HubWN

BoltCircleDiam.

Diam.Num-Ber

CornerRadiusof Bore

Depthof

Socket

Counter-Bore

ThreadLength


Thick-ness


Diam.of HubWN

BoltCircleDiam.

Diam.Num-Ber

CornerRadiusof Bore

Depthof

Socket

Counter-Bore

ThreadLength

13

ASME B16.5JPI-7S-15-1999


K

PitchDiam.


SOSW

LJWidth WN/SW　B1

P E F r2 B2 B3 A Sch 5S Sch 10S Sch 40 Sch 80 Sch 160

R37R41R45R49R53R57R61R65R69R73R77

175210242302356413458508575635750

149.22180.98211.12269.88323.85381.00419.10469.90533.40584.20692.15

7.927.927.927.927.927.927.927.927.929.5211.13

11.9111.9111.9111.9111.9111.9111.9111.9111.9113.4916.66

0.80.80.80.80.80.80.80.80.81.51.5

115.4141.2166.6218.0269.5321.0358.1409.0460.0511.0613.0

116.9143.0168.4219.5271.7322.8－－－－－

114.3139.8165.2216.3267.4318.5355.6406.4457.2508.0609.6

110.1134.2159.6210.7260.6310.5347.6397.4448.2498.0598.6

108.3133.0158.4208.3259.4309.5345.6396.4447.2497.0596.6

102.3126.6151.0199.9248.8297.9333.4381.0428.6477.8574.6

97.1120.8143.2190.9237.2283.7317.6363.6409.6455.6547.6

87.3108.0128.8170.3210.2251.9284.2325.4366.8408.0490.6


Unit：mm

Unit：mm

K

LJ WN/SW　B1

P E F r2 B2 B3 A Sch 5S Sch 10S Sch 40 Sch 80 Sch 160R11R13R16R18R20R23R26R31R34R37R41R45R49R53R57R61R65R69R73R77

51.063.570.079.590.5108127147159175210242302356413458508575635750

34.1442.8850.8060.3268.2882.55101.60123.82131.78149.22180.98211.12269.88323.85381.00419.10469.90533.40584.20692.15

5.566.356.356.356.357.927.927.927.927.927.927.927.927.927.927.927.927.929.5211.13

7.148.748.748.748.7411.9111.9111.9111.9111.9111.9111.9111.9111.9111.9111.9111.9111.9113.4916.66

0.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.81.51.5

22.227.734.543.249.161.177.190.0102.6115.4141.2166.6218.0269.5321.0358.1409.0460.0511.0613.0

23.428.935.644.350.462.778.791.6104.1116.9143.0168.4219.5271.7322.8－－－－－

21.727.234.042.748.660.576.389.1101.6114.3139.8165.2216.3267.4318.5355.6406.4457.2508.0609.6

18.423.930.739.445.357.272.184.997.4110.1134.2159.6210.7260.6310.5347.6397.4448.2498.0598.6

17.523.028.437.143.054.970.383.195.6108.3133.0158.4208.3259.4309.5345.6396.4447.2497.0596.6

16.121.427.235.541.252.765.978.190.2102.3126.6151.0199.9248.8297.9333.4381.0428.6477.8574.6

14.319.425.032.938.449.562.373.985.497.1120.8143.2190.9237.2283.7317.6363.6409.6455.6547.6

12.316.221.229.934.443.157.366.976.287.3108.0128.8170.3210.2251.9284.2325.4366.8408.0490.6




CLASS 400

CLASS 600



GrooveNumber

Depth


PitchDiam.


SOSW

WidthGrooveNumber

Depth

WNDiam.ofHub atbevel

WNDiam.ofHub atbevel

Nominal Size

A B15 90100125150200250300350400450500600

1／2 3 1／2456810121416182024

Nominal Size

A B152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

Max. 7°Min. R4.8

Max. 7°Min. R4.8

Details of groove

Details of groove

14

ASME B16.5JPI-7S-15-1999

Unit：mm

LJ

LJ

SOSWTR SW TR

r1A B O t Y1 Y2 Y3 X R D B4 Q C H15 6580100125150200250300350400450500600

1／2 2 1／23456810121416182024

38.144.550.855.763.569.979.385.988.9101.6108.0139.7

2412923493814705456106407057858551040

101.6114.3127.0139.7162.1184.2200.2212.9215.9228.6247.6292.1

127159190235298368419451508565622749

127.0157.2185.7215.9269.7323.8381.0412.8469.9533.4584.2692.2

101111131313131313131313

－－－－－－－－－－－－

41.147.853.857.263.571.476.282.685.988.991.9101.6

190.5235.0279.4317.5393.7469.9533.4558.8616.0685.8749.3901.7

888121216202020202020

263235323939394245515467

54707986102108117130133152159203

54707986114127143156165191210267

92.0118.0145.0171.0222.0276.0329.0360.0411.0462.0513.0614.0


Unit：mm

WNSOSWTR LJ SW TR

r1A B O t Y1 Y2 Y3 X R D B4 Q C H1520253240506580100125150200250300350400450500600

1／23／411 1／41 1／222 1 ／23456810121416182024

22.425.428.528.531.838.141.247.853.973.282.692.0108.0124.0133.4146.1162.1177.8203.2

1211301491591782162442673113753944835856757508259159851170

60.569.873.273.282.6101.6104.6117.3124.0155.4171.4212.9254.0282.4298.4311.2327.2355.6406.4

38.044.552.563.570.0105124133162197229292368451495552597641762

35.142.950.863.573.291.9104.6127.0157.2185.7215.9269.7323.8381.0412.8469.9533.4584.2692.2

3335688101111131313131313131313

10111314161819－－－－－－－－－－－－

22.425.428.430.231.838.147.8－－－－－－－－－－－－

82.688.9101.6111.3124.0165.1190.5203.2241.3292.1317.5393.7482.6571.5635.0704.8774.7831.8990.6

4444488888121212161616161616

22222626292629323542394551546067748093

23.529.036.044.550.563.576.0－－－－－－－－－－－－

32354141445764－－－－－－－－－－－－

323541414457647390105119143178219241260276292330




CLASS 900

CLASS 1500

Max. 7°Max. 7°

Min. R4.8Min. R4.8

Min. R4.8


Thick-ness


Diam.of HubWN

BoltCircleDiam.

Diam.Num-Ber

CornerRadiusof Bore

Depthof

Socket

Counter-Bore

ThreadLength


Thick-ness


Diam.of Hub

BoltCircleDiam.

Diam.Num-Ber

CornerRadiusof Bore

Depthof

Socket

Counter-Bore

ThreadLength

LJ

15

ASME B16.5JPI-7S-15-1999

Unit：mm

K P E F r2 B2 B3 A Sch 5S Sch 10S Sch 40 Sch 80 Sch 160

R31R37R41R45R49R53R57R62R66R70R74R78

156181216242308362420467524594648772

123.82149.22180.98211.12269.88323.85381.00419.10469.90533.40584.20692.15

7.927.927.927.927.927.927.9211.1311.1312.7012.7015.88

11.9111.9111.9111.9111.9111.9111.9116.6616.6619.8419.8426.97

0.80.80.80.80.80.80.81.51.51.51.52.3

90.0115.4141.2166.6218.0269.5321.0358.1409.0460.0511.0613.0

91.6116.9143.0168.4219.5271.7322.8－－－－－

89.1114.3139.8165.2216.3267.4318.5355.6406.4457.2508.0609.6

84.9110.1134.2159.6210.7260.6310.5347.6397.4448.2498.0598.6

83.1108.3133.0158.4208.3259.4309.5345.6396.4447.2497.0596.6

78.1102.3126.6151.0199.9248.8297.9333.4381.0428.6477.8574.6

73.997.1120.8143.2190.9237.2283.7317.6363.6409.6455.6547.6

66.987.3108.0128.8170.3210.2251.9284.2325.4366.8408.0490.6


Unit：mm

K P E F r2 B2 B3 A Sch 5S Sch 10S Sch 40 Sch 80 Sch 160R12R14R16R18R20R24R27R35R39R44R46R50R54R58R63R67R71R75R79

60.567.071.581.592.0124137169194229248318372439489547613674794

39.6744.4550.8060.3268.2895.25107.95136.52161.92193.68211.12269.88323.85381.00419.10469.90533.40584.20692.15

6.356.356.356.356.357.927.927.927.927.929.5211.1311.1314.2715.8817.4817.4817.4820.62

8.748.748.748.748.7411.9111.9111.9111.9111.9113.4916.6616.6623.0126.9730.1830.1833.3236.53

0.80.80.80.80.80.80.80.80.80.81.51.51.51.52.32.32.32.32.3

22.227.734.543.249.161.177.190.0115.4141.2166.6218.0269.5321.0358.1409.0460.0511.0613.0

23.428.935.644.350.462.778.791.6116.9143.0168.4219.5271.7322.8－－－－－

21.727.234.042.748.660.576.389.1114.3139.8165.2216.3267.4318.5355.6406.4457.2508.0609.6

18.423.930.739.445.357.272.184.9110.1134.2159.6210.7260.6310.5347.6397.4448.2498.0598.6

17.523.028.437.143.054.970.383.1108.3133.0158.4208.3259.4309.5345.6396.4447.2497.0596.6

16.121.427.235.541.252.765.978.1102.3126.6151.0199.9248.8297.9333.4381.0428.6477.8574.6

14.319.425.032.938.449.562.373.997.1120.8143.2190.9237.2283.7317.6363.6409.6455.6547.6

12.316.221.229.934.443.157.366.987.3108.0128.8170.3210.2251.9284.2325.4366.8408.0490.6




CLASS 900

CLASS 1500

Dimensions of Ring joint Facings


JPI Flange Bore

JPI Flange Bore

A B15 6580100125150200250300350400450500600

1／2 2 1／23456810121416182024

A B1520253240506580100125150200250300350400450500600

1／23／411 1／41 1／222 1 ／23456810121416182024

Max. 7° Max. 7°Min. R4.8 Min. R4.8

Details of groove

Details of groove


PitchDiam.


SOSW

LJWidth WN/SW　B1GrooveNumber

DepthWNDiam.ofHub atbevel

Nominal Size


PitchDiam.


SOSW

LJWidth WN/SW　B1GrooveNumber

DepthWNDiam.ofHub atbevel

Nominal Size

16

ASME B16.5JPI-7S-15-1999

Unit：mm

Nominal Size

WN LJTRLJ TRr1A B O t Y1 Y2 Y3 X R B4 Q C H

1520253240506580100125150200250300

1/23/411 1/41 1/222 1/2345681012

30.331.835.138.144.550.857.266.676.292.0108.0127.0165.1184.2

133140159184203235267305356419483550675760

73.279.288.995.2111.3127.0142.7168.1190.5228.6273.0317.5419.1463.6

4043485260707992108130152178229254

35.142.950.863.573.291.9104.6127.0157.2185.7215.9269.7323.8381.0

333568810111113131313

88.995.2108.0130.0146.0171.4196.8228.6273.0323.8368.3438.2539.8619.3

44444888888121212

2222262932293235424854546774

40434852607079－－－－－－－

43.051.057.073.079.095.0114133165203235305375441

28.431.835.138.144.450.857.2－－－－－－－

Unit：mm

K

LJ WN　B1

P E F r2 B3 A Sch 5S Sch 10S Sch 40 Sch 80 Sch 160A B

Notes:Regarding the flange bore B1,B2, & B3 and the diameter A of hub at bevel,refer to“Flange bore and diameter of hub at bevel”of page26. Notes:The numerical values in blue indicates the dimensions prescribed by ASME B16.5

1520253240506580100125150200250300

1/23/411 1/41 1/222 1/2345681012

65.573.583.0102115134150169204242280340426496

R13R16R18R21R23R26R28R32R38R42R47R51R55R60

42.8850.8060.3272.2482.55101.60111.12127.00157.18190.50228.60279.40342.90406.40

8.748.748.7411.9111.9111.9113.4913.4916.6619.8419.8423.0130.1833.32

23.428.935.644.350.462.778.791.6116.9143.0168.4219.5271.7322.8

21.727.234.042.748.660.576.389.1114.3139.8165.2216.3267.4318.5

16.121.427.235.541.252.765.978.1102.3126.6151.0199.9248.8297.9

14.319.425.032.938.449.562.373.997.1120.8143.2190.9237.2283.7

12.316.221.229.934.443.157.366.987.3108.0128.8170.3210.2251.9

6.356.356.357.927.927.929.529.5211.1312.7012.7014.2717.4817.48

0.80.80.80.80.80.81.51.51.51.51.51.52.32.3

17.523.028.437.143.054.970.383.1108.3133.0158.4208.3259.4309.5

23.529.036.044.550.563.576.0－－－－－－－

18.423.930.739.445.357.272.184.9110.1134.2159.6210.7260.6310.5

Class 2500 flange dimensions

Threaded（TR）

Lapped（LJ）

Welding Neck（WN）

Blind（BL）

Ring joint face（RTJ）


GrooveNumber


PitchDiam.

CornerRadiusof bottom

WidthDepthWNDiam.ofHub atbevel

JPI Flange Bore

Max. 7°

Max. 7°

Min. R4.8 Min. R4.8

Min. R4.8

Details of grooveDetails of groove


Thick-ness


Diam.of Hub

BoltCircleDiam.

Diam.Numberof holes

CornerRadiusof Bore

Counter-Bore

ThreadLength

Class 300 & under

Max. R3 mm Max. R3 mmMax. R3 mm Max. R3 mm

Class 400 & over

Shapes and dimensions of gasket contact face

17

ASME B16.5JPI-7S-15-1999

Raised FaceRF

Large Male Face MF-M（L）Small Male Face MF-M（S）

Large Tongue FaceTG-T（L）

Small Tongue FaceTG-T（S）

Large Female FaceMF-F（L）

Small Female FaceMF-F（S）

Large Groove FaceTG-G（L）

Small Groove FaceTG-G（S）

Nominal Size

Dimensions of Outside Diameter

RFMF-M（L）TG-T（L）

MF-M（S） TG-T（S）MF-F（L）TG-G（S）

MF-F（S） TG-G（S）TG-T（L）TG-T（S）

TG-G（L）TG-G（S）

MF-F（S）TG-G（S）

MF-F（L）TG-G（L）

Inside Diameter O.D. of raised portion（min.）

A152025324050658090100125150200250300350400450500600

B1／1 2／／3／3 4／／111／1 4／／11／1 2／／221／1 2／／331／1 2／／456810121416182024

1／23／4111／411／2221／2331／2456810121416182024

R35.142.950.863.573.291.9104.6127.0139.7157.2185.7215.9269.7323.8381.0412.8469.9533.4584.2692.2

S18.323.930.238.144.457.268.384.196.8109.5136.7162.1212.9266.7317.5349.2400.0450.8501.6603.2

T35.142.947.857.263.582.695.2117.3130.0144.5173.0203.2254.0304.8362.0393.7447.5511.0558.8666.8

W36.644.452.365.074.793.7106.4128.5141.2158.8187.5217.4271.5325.4382.5414.3471.4534.9585.7693.7

X19.825.431.839.646.058.769.885.998.6111.3138.2163.6214.4268.2319.0350.8401.6452.4503.2604.8

Y36.644.449.358.765.084.196.8119.1131.8146.0174.8204.7255.5306.3363.5395.2449.3512.8560.3668.3

U25.433.338.147.853.873.285.9108.0120.6131.8160.3190.5238.3285.8342.9374.6425.4489.0533.4641.4

Z23.931.836.646.052.371.484.1106.4119.1130.0158.8189.0236.5284.2341.4373.1423.9487.4531.9639.8

K44.552.557.567 73.592 105 127 140 158 186 216 270 324 381 413 470 534 585 693

46.054.062.075.084.5104 116 139 151 169 197 228 281 336 393 424 485 545 596 704

L

Unit：mm

18

Class 150/300 flange weightASME B16.5

JPI-7S-15-1999

Unit：kg

Unit：kg

NominalSize

NominalSize

A B WN SW WN SW WN SW WN SW WN SW WN SWSO TR BL SO TR BL

Sch 40 Sch 80 Sch 160 Sch 40 Sch 80 Sch 160

RF RTJ

RF RTJ

152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

0.500.731.031.331.762.614.084.936.126.968.8310.917.925.038.751647594133

0.420.600.811.051.382.143.343.99－－－－－－－－－－－－

0.510.761.071.391.842.744.285.206.497.459.6212.120.128.043.5587288111159

0.420.600.811.061.392.153.374.02－－－－－－－－－－－－

0.500.781.111.431.922.924.495.567.068.1911.114.124.535.6567493115145212

0.420.600.811.071.402.183.404.08－－－－－－－－－－－－

0.410.590.791.031.362.103.253.874.895.386.297.7712.417.627.735.344.949.36389

0.420.600.821.071.412.183.384.055.105.636.688.27－－－－－－－－

0.430.640.871.161.582.474.004.956.427.098.7211.419.629.143.8597794123188

－－1.221.521.992.964.575.476.857.819.7711.919.427.142.254687899141

－－0.971.251.622.493.844.52－－－－－－－－－－－－

－－1.261.592.093.104.795.777.258.3410.613.321.830.347.3627791118168

－－0.981.261.642.523.894.58－－－－－－－－－－－－

－－1.311.642.183.315.036.167.879.1612.215.426.538.4607899118153223

－－0.991.281.662.563.944.67－－－－－－－－－－－－

－－0.941.201.572.413.694.335.526.127.088.6413.719.330.538.148.2536796

－－0.971.251.632.503.834.525.756.407.509.18－－－－－－－－

－－1.061.411.872.934.675.727.288.3510.313.322.733.6516786107138209

A B WN SW WN SW WN SW WN SW WN SW WN SWSO BL SO BL


152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

0.751.271.642.072.943.455.106.258.7811.415.419.830.544.16488113138169249

0.661.141.431.752.582.974.416.15－－－－－－－－－－－－

0.771.301.682.143.033.595.327.289.2011.916.221.132.947.46995122153188278

0.671.141.441.772.603.004.466.24－－－－－－－－－－－－

0.781.321.722.173.123.785.526.649.8012.717.823.237.65683113146182225333

0.671.151.461.782.623.064.536.37－－－－－－－－－－－－

0.651.111.391.702.512.914.225.887.449.7312.516.224.835.5517090109135204

0.651.111.431.832.693.224.866.838.8511.6　15.8　21.334.654　79　106　139　175　221 341

0.881.471.862.333.293.905.727.769.6812.516.821.633.147.56994119147180266

0.791.341.662.012.933.455.036.94－－－－－－－－－－－－

0.901.511.912.413.404.065.968.1010.113.117.823.135.75174101129162201296

0.791.351.672.032.963.495.107.06－－－－－－－－－－－－

0.911.531.962.453.494.286.198.5310.813.919.525.440.86089120154193240356

0.801.361.692.062.993.585.207.24－－－－－－－－－－－－

0.761.301.601.942.843.314.766.578.2210.713.817.927.238.4557595116144217

0.781.331.692.143.123.815.687.9210.113.218.024.339.26088117153192246380

CLASS 150

CLASS 300

19

Class 400/600 flange weightASME B16.5

JPI-7S-15-1999

Unit：kg

A B WN WN WN WN WNSO BL SO BL


15 90100125150200250300350400450500600

1／2 3 1／2456810121416182024

13.117.322.735.5507399125154184270

13.718.224.338.25479107136169205301

14.620.026.743.46494126161201245361

11.314.218.929.340.75980103123148222

14.018.625.842.86495125163205255388

13.317.623.234.65174101127156189278

13.918.624.837.45580109137172210309

14.820.327.242.76595128163204251372

11.414.519.430.041.76081104125152228

14.319.126.544.06697128166209264405

Unit：kg

A B WN SW WN SW WN SW WN SW WN SW WN SWSO BL SO BL


152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

0.861.431.822.443.444.246.098.3410.517.028.434.05286104122172209261373

0.751.291.622.113.083.805.397.50－－－－－－－－－－－－

0.881.461.872.523.544.406.338.6911.017.729.535.75591110131184226284408

0.761.301.632.143.113.855.477.62－－－－－－－－－－－－

0.891.491.922.563.644.626.579.1311.718.731.438.361103127152214262329478

0.771.321.652.163.153.945.587.82－－－－－－－－－－－－

0.741.261.562.042.983.655.117.119.0014.724.629.544.27387100137175223316

0.761.281.652.263.284.166.098.5711.217.529.436.45998125152214275351535

0.881.471.862.473.484.316.238.4910.717.228.834.45387105124174212266380

0.791.341.662.153.173.875.547.66－－－－－－－－－－－－

0.901.511.912.553.594.476.488.8511.217.929.836.25692112133186229289417

0.791.351.672.173.203.925.627.79－－－－－－－－－－－－

0.911.531.962.593.684.706.739.3011.918.931.838.862104129154216265335488

0.801.361.692.193.244.025.737.99－－－－－－－－－－－－

0.761.301.602.073.073.715.247.259.1514.824.929.944.97488102138177227322

0.781.331.692.293.324.266.288.7911.417.829.937.060100127155217279360553

WN

Use class 600 dimensions in these Sizes.

CLASS 400

Nominal Size

NominalSize

CLASS 600

RF

RF

RTJ

RTJ

20

Class 900/1500/2500 flange weightASME B16.5

JPI-7S-15-1999

Unit：kg

Nominal Size

A B WN WN WN WN WNSO BL SO BL


15 6580100125150200250300350400450500600

1／2 2 1／23456810121416182024

13.521.935.546.679118159179219296369686

13.922.736.648.783123167190233317400737

14.423.838.85290137188217269361458838

11.719.732.241.971102136152184256315605

13.222.136.647.783122174206259366461875

13.722.235.947.180119160183224303377701

14.223.037.149.284124168194238325408754

14.724.139.35291138190222275370468857

12.020.032.642.372103137156188262322617

13.622.537.248.484124176213268380478886

WN

Use class 1500 dimensions in these Sizes.

Unit：kg

NominalSizeA B WN WN WN WN WN

SO BL SO BLSch 40 Sch 80 Sch 160 Sch 40 Sch 80 Sch 160

15 20 25 32 40 50 65 80100125150200250300350400450500600

1／23／411 1／41 1／222 1／23456810121416182024

1.892.543.684.275.9010.914.619.629.357671142003013925026598101300

1.922.573.744.366.0211.114.920.131.658701182073124075226898541372

1.932.613.804.416.1411.415.220.731.361741282273434455737529381513

1.782.343.423.925.409.9813.4－－－－－－－－－－－－

1.812.433.564.165.8010.213.919.329.959721212113184225597659691566

1.952.603.734.315.9511.114.920.129.857681162023053995116718231323

1.972.643.794.406.0811.315.220.630.659711212103174155327028691397

1.982.683.854.456.2011.615.421.431.861751302303484545857679561543

1.832.403.473.965.4610.213.7－－－－－－－－－－－－

1.872.493.614.215.8510.514.219.830.560741252163274365788019981618

WN SW SW SWSW SW SW1.822.403.514.045.5510.213.9－－－－－－－－－－－－

1.832.413.544.085.6010.314.1－－－－－－－－－－－－

1.842.443.584.125.6610.514.3－－－－－－－－－－－－

1.872.463.574.085.6110.514.3－－－－－－－－－－－－

1.882.473.594.125.6610.614.4－－－－－－－－－－－－

1.892.493.634.165.7210.814.6－－－－－－－－－－－－

Unit：kg

Nominal Size

A B WN WN WN WN WN WNBL BL

Sch 40 Sch 80 Sch 120 Sch 40 Sch 80

1520253240506580100125150200250300

1／23／411 1／41 1／222 1／2345681012

3.143.735.297.7110.816.023.435.95591142211411578

3.163.775.367.8210.916.323.835.65693146218424599

－－－－－－－－5795149225439625

3.013.565.097.4010.415.622.835.05490142212414590

3.203.825.407.9311.016.423.936.55693144214419588

3.233.865.478.0411.216.624.337.25795149221432610

－－－－－－－－5897151229448636

3.093.655.207.6310.716.023.435.85693145218426606

WNSch 160

3.173.815.437.8811.116.724.237.55897152232456648

WNSch 120 Sch 160

3.243.905.558.1011.417.024.838.15999155236465660

CLASS 900

CLASS 1500

CLASS 2500

RF RTJ

RF

RF

RTJ

RTJ

21

Class 150/300 Series Alarge diameter flange dimensions

ASME B16.47JPI-7S-43-2001

CLASS 150 Unit：mm

Diam.NumberBolt Circle Diam.

CornerRadius atHub base

Lengththru hubNominal Size Outside

DiameterDiam.of Hubat base

Diam.of Hubat bevel

Diam. ofRaisedFace

ABL

dNCrYQ1QRHB O XWN

BL-RFWN-RFt=12.7

Thickness（minimum)

CLASS 300 Unit：mm

ABL

dNCrYQ1QRHB O X t=12.7

Unit：mm

Weight（kg）

A

Diam. ofRaised

Portion(min)

Radius atbottom ofgroove

PitchDiam Width

K P E F r1BBL-RTJ

WN-RTJt=12.7

GrooveNumber

65070075080085090095010001050110011501200125013001350140014501500

262830323436384042444648505254565860

870925985106011101170124012901345140514551510157016251685174518051855

67672778183288393399110411092114311971248130213531403145715081559

660.4711.2762.0812.8863.6914.4965.21016.01066.81117.61168.41219.21270.01320.81371.61422.41473.21524.0

749.3800.1857.2914.4965.21022.41073.21124.01193.81244.61295.41358.91409.71460.51511.31574.81625.61676.4

68.471.474.781.182.690.587.490.596.8101.6103.2108.0111.3115.9120.7124.0128.6131.9

120.6125.5136.7144.5149.4157.2157.2163.6171.4177.8185.7192.0203.2209.6215.9228.6235.0239.8

806.4863.6914.4977.91028.71085.81149.41200.21257.31314.41365.21422.41479.61536.71593.81651.01708.21759.0

242828283232323636404044444444484852

353535424242424242424242484848484848

148176208256273326362389443497530582633693770847934980

3053604295355967307958901039118912981463161818102033223924912696

101212121313131313131313131313131313

65070075080085090095010001050110011501200125013001350140014501500

262830323436384042444648505254565860

97010351090115012051270117012401290135514151465153015801655171017601810

72177582788193799199410481099114912031254130513561410146415141565

660.4711.2762.0812.8863.6914.4965.21016.01066.81117.61168.41219.21270.01320.81371.61422.41473.21524.0

749.3800.1857.2914.4965.21022.41028.71085.81136.61193.81244.61301.81358.91409.71466.81517.61574.81625.6

79.385.992.098.6101.6104.7108.0114.3119.2124.0128.6133.4139.7144.6152.4154.0158.8163.6

84.190.595.3100.1104.7111.3108.0114.3119.2124.0128.6133.4139.7144.6152.4154.0158.8163.6

184.2196.8209.6222.2231.6241.3180.8193.5200.2206.2215.9223.8231.6238.3252.5260.4266.7273.0

876.3939.8997.01054.11104.91168.41092.21155.71206.51263.61320.81371.61428.81479.61549.41600.21651.01701.8

282828282832323232322832323228283232

454548515154424545485151545460606060

2773383874505035613153824174765415766567048439059481008

455562656766885103787110341172134315251692193121372473267529143182

101212121313131313131313131313131313

650700750800850900

262830323436

R93R94R95R96R97R98

81086191898510361093

749.30800.10857.25914.40965.201022.35

12.7012.7012.7014.2714.2714.27

19.8419.8419.8423.0123.0123.01

294356407476530591

5106247268579851148

1.51.51.51.51.51.5

Welding Neck（WN-RF） Blind（BL-RF）

Bolt Holes

Weight（kg）Dimensions of Ring joint FacingsRing joint face（RTJ）Depth

Note:Regarding flange bore B, hub diameter H and hub thickness t, refer to“Flange bore, hub diameter at bevel”of page 26 and“outside diameter of pipe”of page 4.



Lengththru hubNominal Size

Nominal Size

OutsideDiameter

Diam.of Hubat base

Diam.of Hubat bevel

Diam. ofRaisedFace WN

BL-RFWN-RFThickness（minimum) Weight（kg）Bolt Holes

Details of groove

Details of groove

22

ASME B16.47JPI-7S-43-2001

Ring joint face（RTJ）Welding Neck（WN-RF） Blind（BL-RF）

65070075080085090095010001050110011501200125013001350140014501500

262830323436384042444648505254565860

97010351090115012051270120512701320138514401510157016201700175518051885

7277838378899451000100310541108115912131267132113721425148015301584

660.4711.2762.0812.8863.6914.4965.21016.01066.81117.61168.41219.21270.01320.81371.61422.41473.21524.0

749.3800.1857.2914.4965.21022.41035.01092.21143.01200.21257.31308.11361.91412.71470.21527.01577.81635.3

88.995.3101.6108.0111.3114.3124.0130.1133.4139.7146.1152.4157.3162.1170.0174.8177.8185.7

98.6104.7111.3115.9122.2128.6124.0130.1133.4139.7146.1152.4158.8163.6171.5176.3180.9189.0

193.5206.2218.9231.6241.3251.0206.2215.9223.8233.2244.3257.0268.2276.4289.1298.4306.3319.0

876.3939.8997.01054.11104.91168.41117.61174.81225.61282.71339.81403.41460.51511.31581.21632.01682.81752.6

282828282832323232323628323228323232

485154545454485151545460606067676774

3143744284985566264274935336106717948739341112118912531447

55567078892010691246109612741416162918362115237426103008328435724042

121313131515151515151515151515151515

CLASS 400（MSS-SP44） Unit：mm



Lengththru hub

OutsideDiameter

A

Diam. ofRaisedFace

Diam.of Hubat bevel

Diam.of Hubat base BL

dNCrYQ1QRHB O XWN

BL-RFWN-RFt=12.7

Thickness（minimum)

Unit：mmDimensions of Ring joint Facings

Nominal Size

A

Diam. of RaisedPortion(min) Pitch Diam Depth Width

Radius at bottomof groove

K P E F r1BBL-RTJ

WN-RTJt=12.7

GrooveNumber

650700750800850900

262830323436

R93R94R95R96R97R98

81086191898510361093

749.30800.10857.25914.40965.201022.35

12.7012.7012.7014.2714.2714.27

19.8419.8419.8423.0123.0123.01

1.51.51.51.51.51.5

58270182396911241307

325387442518577649


Class 400/600/900 Series Alarge diameter flange dimensions

Weight（kg）

Weight（kg）

Bolt Holes

Details of groove

Details of groove

Nominal Size

A K P E F r1BBL-RTJ

WN-RTJt=12.7

Nominal SizeDimensions of Ring joint Facing Weight（kg）

GrooveNumber

Diam. of RaisedPortion(min) Pitch Diam. Depth Width


穴径穴数中心円径隅半径全長呼び径外径

A

座径ハブ先径ハブ元径BL

dNCrYQ1QRHB O XWN

BL-RFWN-RFt=12.7

重量（kg）厚さ（最小）ボルト穴

23

Class 400/600/900/ Series Alarge diameter flange dimensions

ASME B16.47JPI-7S-43-2001

65070075080085090095010001050110011501200125013001350140014501500

262830323436384042444648505254565860

101510751130119512451315127013201405145515101595167017201780185519051995

7488038629179731032102210731127118112351289134313941448150215521610

660.4711.2762.0812.8863.6914.4965.21016.01066.81117.61168.41219.21270.01320.81371.61422.41473.21524.0

749.3800.1857.2914.4965.21022.41054.11111.21168.41225.61276.41333.51384.31435.11492.21543.01600.21657.4

108.0111.3114.3117.4120.7124.0152.4158.8168.2173.0179.4189.0196.9203.2209.6217.5222.3233.5

125.5131.9139.7147.6154.0162.1155.5162.1171.5177.8185.7195.4203.2209.6217.5225.6231.7242.9

222.2235.0247.6260.4269.7282.4254.0263.7279.4289.1300.0316.0328.7336.6349.2362.0369.8388.9

914.4965.21022.41079.51130.31193.81162.01212.81282.71333.51390.61460.51524.01574.81632.01695.41746.21822.4

282828282828283228323232283232323228

515454606067606067676774808080868693

43849656062969078066271088193210291224142514931650185719632362

7638991058124114131644149416752008222225102924334536404062455149475706

131313131515151515151515151515161616

Unit：mm

Nominal Size

ABL

dNCrYQ1QRHB O XWN

BL-RFWN-RFt=12.7

Unit：mm

A K P E F r1BBL-RTJ

WN-RTJt=12.7

650700750800850900

262830323436

R93R94R95R96R97R98

81086191898510361093

749.30800.10857.25914.40965.201022.35

12.7012.7012.7014.2714.2714.27

19.8419.8419.8423.0123.0123.01

1.51.51.51.51.51.5

7909301094129014681705

450509574649710803

65070075080085090095010001050110011501200

262830323436384042444648

108511701230131513951460146015101560165017351785

77583288994610061064107311271176123512921343

660.4711.2762.0812.8863.6914.4965.21016.01066.81117.61168.41219.2

749.3800.1857.2914.4965.21022.41098.61162.01212.81270.01333.51384.3

139.7142.8149.4158.8165.1171.5190.5196.9206.3214.4225.6233.5

160.3171.5182.4193.6204.8214.4215.9223.8231.7242.9255.6263.7

285.8298.4311.2330.2349.2362.0352.6363.5371.3390.7411.0419.1

952.51022.41085.81155.71225.61289.01289.01339.81390.61463.51536.71587.5

202020202020202424242424

74808086939393939399105105

676802918110812891461142615061638192922512495

107713371586192022762630265529133238378943974826

121313131515202121232324

Unit：mm

Unit：mm

650700750800850900

262830323436

R100R101R102R103R104R105

832889947100410671124

749.30800.10857.25914.40965.201022.35

17.4817.4817.4817.4820.6220.62

30.1833.3233.3233.3236.5336.53

2.32.32.32.32.32.3

112613931649199123772742

697825944113613281504

CLASS 600（MSS-SP44）

CLASS 900（MSS-SP44）

OutsideDiameter

Diam.of Hubat base

Diam.of Hubat bevel

Diam. ofRaisedFace

Thickness（minimum) Lengththru hub


Bolt HolesDiam.NumberBolt Circle Diam.

Weight（kg）

Nominal SizeDimensions of Ring joint Facing Weight（kg）

GrooveNumber

Diam. of RaisedPortion(min) Pitch Diam. Depth Width


Nominal Size

ABL

dNCrYQ1QRHB O XWN

BL-RFWN-RFt=12.7

OutsideDiameter

Diam.of Hubat base

Diam.of Hubat bevel

Diam. ofRaisedFace

Thickness（minimum) Lengththru hub


Bolt HolesDiam.NumberBolt Circle Diam.

Weight（kg）

24

ASME B16.47JPI-7S-43-2001

65070075080085090095010001050110011501200125013001350140014501500

262830323436384042444648505254565860

7608158659159651035108511351185125013001355140514551510157516251675

67672777882987993598610371087114011911242129413451397145115021552

661.9712.7763.5814.3865.1915.9966.71017.51068.31119.11169.91220.71271.51322.31373.11423.91474.71525.5

704.8755.6806.4857.2908.0965.21016.01066.81117.61174.81225.61276.41327.21378.01428.81485.91536.71587.5

35.135.136.638.138.139.743.044.546.047.847.849.350.852.455.7

36.638.142.544.544.547.849.350.853.955.457.260.562.063.566.6

58.762.065.069.873.285.988.991.995.2104.6108.0111.3115.8120.6125.5134.9138.2144.5

723.9774.7825.5876.3927.1992.11042.91093.71144.51203.51254.31305.11355.91409.71460.51521.01571.81622.6

364044485240404448364044444848404444

191919191922222222262626262626292929

11513315018421327431634640646651959966273383693310171134

8888810101010101010101010121212

CLASS 75（API-605）


Unit：mm

Class 75/150 Series B large diameter flange dimensions

33.333.333.3

65070075080085090095010001050110011501200125013001350140014501500

262830323436384042444648505254565860

78583588594010051055112511751225127513401390144514951550160016751725

68473578784089294599710491102115312051257130813601413146515161570

661.9712.7763.5814.3865.1915.9968.21019.01069.81120.61171.41222.21273.01323.81374.61425.41476.21527.0

711.2762.0812.8863.6920.8971.61022.41079.51130.31181.11234.91289.01339.81390.61441.41492.21543.01600.2

41.244.544.546.049.352.453.955.758.760.562.065.168.469.971.473.274.776.2

44.547.850.853.957.258.763.566.668.471.474.777.880.884.187.490.593.596.8

88.995.2100.1108.0110.2117.3124.0128.5133.4136.7144.5149.4153.9157.2162.1166.6174.8179.3

744.5795.3846.1900.2957.31009.61069.81120.61171.41222.21284.21335.01385.81436.61492.21543.01611.41662.2

364044484044404448524044485256604852

222222222626292929293232323232323535

163199238285345391480550614695806903101311291261139115801734

101010101010101012121212121212151515

Unit：mm

37.747.351.157.261.281.588.994.2101126135148160168185218230250

61758194113127151164179191224243267282306324385407

.0

.4

.9

.3





Lengththru hub

OutsideDiameter

A

Diam. ofRaisedFace

Diam.of Hubat bevel


dNCrYQ1QRHB O XWN

BL-RFWN-RFt=12.7

Thickness（minimum) Weight（kg）Bolt HolesNominal Size



Lengththru hub

OutsideDiameter

A

Diam. ofRaisedFace

Diam.of Hubat bevel


dNCrYQ1QRHB O XWN

BL-RFWN-RFt=12.7

Thickness（minimum) Weight（kg）Bolt HolesNominal Size

25

ASME B16.47JPI-7S-43-2001

650700750800850900650700750800850900650700750800850900

262830323436262830323436262830323436

8509159701035108511558909551020108511601215102011051180124013151345

6897407948458999526987528068619149687437978519089621016

660.4711.2762.0812.8863.6914.4660.4711.2762.0812.8863.6914.4660.4711.2762.0812.8863.6914.4

711.2762.0819.2873.3927.1980.9726.9784.4841.2895.4952.51009.6762.0819.2876.3927.1990.61028.7

88.995.3101.6108.0111.3119.2111.3115.9

125.5130.1141.3146.1134.9147.6155.5160.3171.5173.0

127.0134.9144.3150.9154.0166.7176.1185.7195.1201.7

149.4158.8169.9179.3187.5200.2180.8190.5204.7215.9233.4242.8258.8276.4289.1303.3319.0325.4

781.0838.2895.4952.51003.31066.8806.4863.6927.1984.21054.11104.9901.7971.61035.01092.21155.71200.2

282428283228282828282428202020202024

394242454548454851546060677480808680

17421524829632039725630336842954059052866778689210551062

121313131515131313131515121313131515

65070075080085090095010001050110011501200125013001350140014501500

262830323436384042444648505254565860

865920990105511101170122012751335138514601510156016151675176518251880

702756813864917965101616071118117312291278133013831435149415481599

665.2716.0768.4819.2870.0920.8971.61022.41074.71125.51176.31227.11277.91328.71379.51430.31481.11531.9

736.6787.4844.6901.7952.51009.61060.41114.61168.41219.21270.01327.21378.01428.81479.61536.71593.81651.0

88.988.993.8103.2103.2103.2111.3115.9119.2127.0

128.6128.6138.2142.8136.7154.0154.0150.9

130.1134.9139.7144.3149.4157.0162.1166.7

144.5149.4158.0168.1173.0180.8192.0198.4204.7214.4222.2223.8235.0242.8239.8268.2274.6271.5

803.1857.2920.8977.91031.71089.21140.01190.81244.61295.41365.21416.01466.81517.61577.81651.01713.01763.8

323636323632364036403640444848364040

353539424245454548485151515151606060

181206249307331367409450500549644662727786817108611551190

38743853367074182796811011246142616301806199322052464288431783478

151515161616161616161616161616181818


CLASS 400/600/900（API-605）

Unit：mm

Unit：mm



Lengththru hubNominal Size Outside

Diameter

A

Diam. ofRaisedFace

Diam.of Hubat bevel


dNCrYQ1QRHB O XWN

BL-RFWN-RFt=12.7

CLASS



Lengththru hubNominal Size

OutsideDiameter

A

Diam. ofRaisedFace

Diam.of Hubat bevel


dNCrYQ1QRHB O X

WN BL

RF

WNRFt=12.7

400

600

900

3934905857067979715256307869431156132090311421373161419022059



Thickness（minimum) Weight（kg）Bolt Holes

Thickness（minimum) Weight（kg）Bolt Holes

Class 300/400/600/900 Series B large diameter flange dimensions

26

ASME StandardFlange bore and diameter of hub at bevel

ASME B16.5 （Dimensions for reference）

JPI-7S-43/ASME B16.47

21.326.733.542.248.360.573.288.9101.6114.3141.2168.4219.2273.0323.8355.6406.4457.2508.0609.6

22.427.734.543.249.562.074.790.7103.4116.1143.8170.7221.5276.4327.2359.2410.5461.8513.1616.0

22.928.235.143.750.062.575.491.4104.1116.9144.5171.4222.2277.4328.2360.2411.2462.3514.4616.0

1.651.651.651.651.651.652.12.12.12.12.82.82.83.44.04.04.24.24.85.5

152025324050658090100125150200250300350400450500600

1／23／411 1／41 1／222 1／233 1／2456810121416182024

18.023.430.238.945.057.269.084.797.4110.1135.6162.8213.6266.2315.8347.6398.0448.8498.4598.6

17.122.527.936.642.754.967.282.995.6108.3134.4161.6211.6264.6314.6346.0396.8447.6497.0596.8

2.12.12.82.82.82.83.03.03.03.03.43.43.84.24.64.84.84.85.56.4

15.720.926.735.040.952.762.877.990.2102.3128.0154.2202.8254.4304.8336.6387.4438.2489.0590.6

2.82.93.43.63.73.95.25.55.76.06.67.18.29.39.59.59.59.59.59.5

15.720.926.735.040.952.762.877.990.2102.3128.0154.2202.8254.4303.2333.4381.0428.6477.8574.6

2.82.93.43.63.73.95.25.55.76.06.67.18.29.310.311.112.714.315.117.5

13.918.924.532.438.149.559.273.785.497.1122.2146.4193.8247.6298.4330.2381.0431.8482.6584.2

3.73.94.54.95.15.57.07.68.18.69.511.012.712.712.712.712.712.712.712.7

13.918.924.532.438.149.559.273.785.497.1122.2146.4193.8242.8288.8317.6363.6409.6455.6547.6

3.73.94.54.95.15.57.07.68.18.69.511.012.715.117.519.021.423.826.231.0

11.716.720.729.434.143.154.266.7－　

　87.3109.4131.8173.2215.8257.2284.2325.4366.8408.0490.6

4.85.06.46.47.18.79.511.1－13.515.918.323.028.633.335.740.545.250.059.5

6.311.115.322.827.938.345.258.5－　80.1103.2124.6174.8222.2273.0－　－　－　－　－　

7.57.89.19.710.211.114.015.2－17.119.021.922.225.425.4－－－－－

NominalPipe Size

Diam.ofHub atBevel

A AB B2 B3W B1 W B1 W B1 W B1 W B1 W B1 W B1 W B1

Flange Bore and Thickness of Hub at Bevel W （Only for WN）

ASME StandardJPI Standard

Unit：mm

Unit：mm

単位：mm

Notes:①Dimension A of Hub at bevel is based on ASME B16.5 ②Thickness W is based on ASME B36.10M and ASTM B36.19M ③The change from inch to millimeter is based on JIS Z8401“Rules for rounding off of numerical values”.

Note：Diameter of Hub at Bevel H is equal to Outside Diameter of Pipe.

Note：Diameter of Hub at Bevel H is different from Outside Diameter of Pipe.

SOSW

LJWN WN / SW

XXSSch 160Sch 80Sch 40Sch 10SSch 5S STD/Sch 40S XS/Sch 80S

Nominal Size Diam. of Hub at BevelA B H

262830323436

660.4711.2762.0812.8863.6914.4

650700750800850900


384042444648

965.21016.01066.81117.61168.41219.2

95010001050110011501200


505254565860

1270.01320.81371.61422.41473.21524.0

125013001350140014501500

Wall thickness of pipe to be used t

Calculation Formula of flange bore B

6.417.5

7.119.1

7.920.6

8.722.2

9.523.8

10.325.4

11.127.0

11.928.6

12.730.2

14.331.8

15.9－

BORE B＝OUTSIDE DIAMETER OF PIPE－2×WALL THICKNESS t

BORE B＝DIAMETER OF HUB AT BEVEL H－2×WALL THICKNESS t

For Serise B CLASS 75～300

For Serise A CLASS 150～300 and Serise B CLASS 400～900

27

Classification of flanges JIS B 2220：2012

Type of flange

Threaded Flange（TR）

Welding neck Flange（WN）

Blind Flange（BL）

Integral Flange（IT）

Shapes of flanges

Nominal Pressure

Type of flange

Shapes of flanges

Nominal Pressure

2K2K

5K

10K

16K

20K

30K

Notes:（1）Flange dimensions described in nominal pressure of 2K, 40K, and 63K are the basic dimensions of flange but are not prescribed in JIS B 2220. （2）Shapes of Slip on Welding Hub Flanges of Nominal Pressure 20K and 30K are as shown below.

2K2K

5K

10K

16K

20K

30K

40K

63K

20K

30K

（450 ～ 1500）（450 ～ 1500）

10 ～ 1500

10 ～ 1500

ー

ー

ー

ー

10 ～ 150

10 ～ 150

10 ～ 150

10 ～ 150

ー

ー

ー

10 ～ 600

10 ～ 400

10 ～ 50

10 ～ 50

65 ～ 600

65 ～ 400

ー

10 ～ 1500

10 ～ 1500

10 ～ 600

10 ～ 600

15 ～ 400

15 ～ 400

15 ～ 400

（450 ～ 1500）（450 ～ 1500）

10 ～ 1500

10 ～ 1500

10 ～ 600

10 ～ 600

10 ～ 400

15 ～ 400

15 ～ 400

ー

10 ～ 1500

10 ～ 1500

10 ～ 600

10 ～ 600

15 ～ 400

ー

ー

ー

10 ～ 80

10 ～ 80

10 ～ 80

10 ～ 80

ー

ー

15 ～ 600

15 ～ 600

15 ～ 600

15 ～ 600

ー

ー

450 ～ 1500

250 ～ 1500

10 ～ 600

10 ～ 600

10 ～ 400

Nominal diameter of corresponding flange（A）



Shapes of Slip on Welding Hubbed Flanges of Nominal Pressure 20K and 30K

Type BType A Type C

Socket Welding Flange（SW）

Lapped Flange（LJ）Plate Flange

（SOP）Hubbed Flange（SOH）

Slip on welding Flange

（2）

（2）

（1）

（1）

NominalPressure

h

h

h

h h h

hh

h

h

h h h

A Part Enlarged Figure

28

Dimensional tolerance for JIS flangesJIS B 2220：2012

JIS B 2220 Steel Pipe Flanges

Welding neck FlangeWN-FF（RF）

Hubbed FlangeSOH-FF（RF）

Socket Welding FlangeSW-FF（RF）

Threaded FlangeTR-FF（RF）

Plate FlangeSOP-FF

Blind FlangeBL-FF（RF）

Lapped FlangeLJ

Male-Female TypeMF-M

Tongue-Groove TypeTG-T

MF-F

Welding Bevel Ends of Welding Neck Flanges

WN-FF（RF）

TG-G

Outside Dia.D

600 max.Over 600

±1.5±3

Bolt Circle Dia.C

950 max.Over 950

±0.8±1.5

Inside DiameterSOP,SOHSW,LJd0

400 max.Over 400 to 600 incl.Over 600 to 800 incl.Over 800 to 1000 incl.Over 1000

＋1＋1.5＋2＋2.5＋3

Inside DiameterWN,SWd

100 max.Over 100 to 400 incl.Over 400 to 600 incl.Over 600 to 800 incl.Over 800 をto 1000 incl.Over 1000

000000

－0.5－1－1.5－2－2.5－3

00000

＋1.5＋2＋3

000

＋2＋3

00

＋0.8＋1.6

00

＋2＋4＋8

000

Eccentricity between Bore and Bolt Circle Dia.

Pitch of Bolt Hole P

Dia. of Bolt Holes h

±0.8

±0.5

0.8 max.

Parallelism of the gasket contact face of flange andthe bearing surface of bolt and nut.

1°max.

Part of flange Division by Dimension Dimensionaltolerances

Dia. at Small Endof Huba

220 max.Over 220 to 650 incl.Over 650

20 max.Over 20 to 50 incl.Over 50

SOH, SW, LJ, TR

200 max.Over 200

6 max.Over 6

WN

Dia. ofGasket SeatC1　C2　C3　C4

Thicknesst, t-f

Length thru HubT

ChamferingR

500 max.Over 500 to 1000 incl.Over 1000 to 1500 incl.Over 1500

±0.3±0.35±0.4±0.5

Dia. of Gasket Seat g

700 max.Over 700

±0.8±1.5

Thickness of Gasket Seat f3　f4 ±0.2

±2

Part of flange Division by Dimension Dimensionaltolerances

Unit：mm

Shapes and Dimensionsof gasket contact face JIS B 2220：2004

Male-Female Type（MF）MF-M

Tongue-Groove Type（TG）TG-T

MF-F TG-G

Nominal SizeMale-Female Type（MF）

Female Face（MF-F）MaleFace（MF-M）f4C4f3C3

Tongue-Groove Type（TG）Groove Face（TG-G）Tongue Face（TG-T）

C2 C4 f4f3C3C1A555555555555555555555555555555555

3943516171769111112113114617621626132637641647652457662667672877883388393598810941194129414441594

666666666666666666666666666666666

3842506070759011012013014517521526032537541547552357562567572777783288293498710921192129214421592

27313744545969899910912414918922929433937943948253458463468173178683688893610401140123513851535

3943516171769111112113114617621626132637641647652457662667672877883388393598810941194129414441594

555555555555555555555555555555555

666666666666666666666666666666666

3842506070759011012013014517521526032537541547552357562567572777783288293498710921192129214421592

283238455560709010011012515019023029534038044048353558563568273278783788993710421142123713871537

1015202532405065809010012515020025030035040045050055060065070075080085090010001100120013501500

Unit：mm

Notes:①The size g of Male-Female Type and Tongue-Groove Type depends on the size g of Raised Face.②Regarding 5K and 10K,both Female Face and Groove Face shall have the shape shown by the imaginary line of the above figure.

29

D（1）

Shapes and Dimensionsof gasket contact face JIS B 2220：2012

30

Flat Face（FF）

Raised Face（RF）

NominalSize

Nominal Pressure of Raised Face

16K5K

46515667768196116132145160195230－ 275－ 345395440495560615670720－－－－－－－－－－－

11112222222222222333333333333333333

11112222222222222333333333333333333

10K

46515667768196116126136151182212237262282324368413475530585640690740800855905955100511101220132514801635

3944495970758511012113114117620623225227731736040346352357363068073578584089094099010901200130514601615

1111222222222－2－23333333－－－－－－－－－－－

20K

46515667768196116132145160195230－ 275－345395440495560615670720－－－－－－－－－－－

1111222222222－2－23333333－－－－－－－－－－－

30K 40K ，63K

525560708090105130140150160195235－ 280－345405450510－－－－－－－－－－－－－－－

1111222222222－2－2333－－－－－－－－－－－－－－－

ggA g g g gff f f f f525560708090105130140150165200240－290－355410455515－－－－－－－－－－－－－－－

1111222222222－2－2333－－－－－－－－－－－－－－－

1015202532405065809010012515017520022525030035040045050055060065070075080085090010001100120013501500

Unit：mm

Note:①The size D of Flat Face is the same as the outside diameter of flange.

31

JIS B 2220：2012ReferenceBasic dimensions of JIS 2K flanges

Nominal Size

A t C h

Outside DiameterBoreBolt CircleDiameter

Thickness ofFlange

Diam. ofBolt Holes Number of

Bolt Holes

Unit：mm

450

500

550

600

650

700

750

800

850

900

1000

1100

1200

1350

1500

16

20

20

20

24

24

24

24

24

24

28

28

32

32

36

23

23

25

25

25

25

27

27

27

27

27

27

27

27

27

460.0

511.0

562.0

613.0

664.0

715.0

766.0

817.0

868.0

919.0

1021.0

1123.0

1224.0

1377.0

1529.0

605

655

720

770

825

875

945

995

1045

1095

1195

1305

1420

1575

1730

22

22

24

24

24

24

24

24

24

24

26

26

26

26

28

555

605

665

715

770

820

880

930

980

1030

1130

1240

1350

1505

1660

SOPSlip-on Welding Plate Flange

450A～1500A

BLBlind Flange450A～1500A

d0 D

Note：Following dimensions are not the part of regulation of JIS B 2220

32

JIS 5K flange dimensions JIS B 2220：2012


10A～1500A

SOHSlip-on Welding Hubbed Flange

450A～1500A

SWSocket Welding Flange

10A～80A

TRThreaded Flange10A～150A

Bore

WNA D C h

SOPSOHSWd0

LJ

d0

SWWN（1）d

Depth ofSocket

SSW

Designa-tion ofThreadTR

g f

Unit：mm

1015202532405065809010012515017520022525030035040045050055060065070075080085090010001100120013501500

3944495970758511012113114117620623225227731736040346352357363068073578584089094099010901200130514601615

758085951151201301551801902002352653003203453854304805406056557207708258759459951045109511951305142015751730

556065759095105130145155165200230260280305345390435495555605665715770820880930980103011301240135015051660

1212121215151515191919191923232323232525252527272727333333333333333333

11112222222222222333333333333333333

4444444444888881212121216162020202424242424242828323236

101013131313161616－－－－－－－－－－－－－－－－－－－－－－－－－－

17.822.227.734.543.249.161.177.190.0102.6115.4141.2166.6192.1218.0243.7269.5321.0358.1409 460 511 562 613 664 715 766 817 868 919 1021 1122 1224 1376 1529

－ 23.428.935.644.350.462.778.791.6104.1116.9143.0168.4－ 219.5－ 271.7322.8360.2411.2462.3514.4565.2616.0－－－－－－－－－－－

12.716.121.627.635.741.652.967.980.793.2105.3130.8155.2180.1204.7229.4254.2304.7339.8390.6441.4492.2543.0593.8644.6695.4746.2797.0847.8898.61000.21098.61200.21346.21498.6

Rc 3／8Rc 1／2Rc 3／4Rc 1Rc 11／4Rc 11／2Rc 2Rc 21／2Rc 3　－Rc 4Rc 5Rc 6　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－

Note：①The Bore d shall be adjusted by the inside diameter of the steel pipe to be joined.

NominalSize

OutsideDiameter

Bolt CircleDiameter

Diam. ofBolt Holes Diameter

Numberof BoltHoles

Height

Raised Face

33

JIS 5K flange dimensions JIS B 2220：2012

LJLapped Flange15A～400A


WNWelding neck Flange10A～1500A


NominalSize

Taperof Hub

Length thru. Hub Radius of Filletat Base of Hub

Thicknessof Flange

Diam. of Hubat Small End

Diam. of Hubat Large End Thick-

nessTaperof Hub

WN（1）

A

ExceptBL

SOHSWLJ, TR

SOHSWLJ, TR

BL WN WNWN

t a xb

SOHSWLJ, TR

WNSOHSWLJ, TR

WN

T

Cham-fering

R r

LJ

t x

Unit：mm

1015202532405065809010012515017520022525030035040045050055060065070075080085090010001100120013501500

9910101212141414141616181820202222242424242626

2626282828303232343436

2830323436364044485458

232733415056698699－ 127154182－－－－－－－ 49554659764870275180285490495610581158126014141568

2630364453607391105－ 130161189－－－－－－－ 50055260365470875881086291296410661170127214261580

263138465562739110511712815618420923526129034238543849154159364369874880285290295210521162127214271582

131315171920242730－364040－－－－－－－404042444848525254566071778086

－333444555566－6－69999999－－－－－－－－－－－

444444444－444－－－－－－－555555555557777

－－－－－－－－－－－－－－－－－－－－－－－－－36383838405056626266

－－－－－－－－－－－－－－－－－－－－－－－－－1.251.251.251.5 1.5 1.5 1.5 1.5 1.5 1.5

444444444444444444445555555555588810

2425283033343639414141434949535461627376797981818594100100108108116136155164172

1.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.51.51.51.751.7522222

17.321.727.234.042.748.660.576.389.1101.6114.3139.8165.2190.7216.3241.8267.4318.5355.6406.4457.2508.0558.8609.6660.4711.2762.0812.8863.6914.41016.01117.61219.21371.61524.0

Note：①By the agreement of the delivery parties,these sizes can be adopted.

34

JIS10K flange dimensions JIS B 2220：2012


10A～1500A


250A～1500A


10A～80A


Bore

WNA D C h

SOPSOHSWd0

LJ

d0

SWWN（1）d

Depth ofSocket

SSW


g f

Unit：mm

1015202532405065809010012515017520022525030035040045050055060065070075080085090010001100120013501500

46515667768196116126136151182212237262282324368413475530585640690740800855905955100511101220132514801635

909510012513514015517518519521025028030533035040044549056062067574579584590597010201070112012351345146516301795

657075901001051201401501601752102402652903103554004455105656206807307808409009501000105011601270138015401700

1515151919191919191919232323232325252527272733333333333333333939394545

11112222222222222333333333333333333

444444448888812121212161616202020242424242828282828323640

101013131313161616－－－－－－－－－－－－－－－－－－－－－－－－－－

17.822.227.734.543.249.161.177.190.0102.6115.4141.2166.6192.1218.0243.7269.5321.0358.1409 460 511 562 613 664 715 766 817 868 919 1021 1122 1224 1376 1529

－ 23.428.935.644.350.462.778.791.6104.1116.9143.0168.4－ 219.5－ 271.7322.8360.2411.2462.3514.4565.2616.0－－－－－－－－－－－

12.716.121.627.635.741.652.967.980.793.2105.3130.8155.2180.1204.7229.4254.2304.7339.8390.6441.4492.2543.0593.8644.6695.4746.2797.0847.8898.61000.21098.61200.21346.21498.6

Rc 3／8Rc 1／2Rc 3／4Rc 1Rc 11／4Rc 11／2Rc 2Rc 21／2Rc 3　－Rc 4Rc 5Rc 6　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－　－


NominalSize

OutsideDiameter

Bolt CircleDiameter


Numberof BoltHoles

Height

Raised Face

35

JIS B 2220：2012JIS 10K flange dimensions



WNWelding neck Flange10A～1500A


Unit：mm

1015202532405065809010012515017520022525030035040045050055060065070075080085090010001100120013501500

121214141616161818181820222222222424262830

3032323434363636384042444850

3034363840444648505662667482

232733415056698699－ 127154182－－－ 28834038043649654860465670676281686892097110731175127814321585

2630364453607391105－ 130161189－－－ 29234638644250255461066271277082487692897910811185129014501605

283338475662759210511713015618421023826129234538844249554659764870075480785890895910651174128114381598

161620202224242730－ 364040－－－ 36384244484852525658626466707495101110123

－333444555566－6－69999999－－－－－－－－－－－

444444444－444－－－6666666666666668888

－－－－－－－－－－－－－－－－－－－－－4042424456606060626672768288

－－－－－－－－－－－－－－－－－－－－－1.251.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5

444444445555555566666666666666610101012

29313236383840444545454753555858656879859099111112116132139139139140151170182200218

1.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.51.751.751.752222222222

17.321.727.234.042.748.660.576.389.1101.6114.3139.8165.2190.7216.3241.8267.4318.5355.6406.4457.2508.0558.8609.6660.4711.2762.0812.8863.6914.41016.01117.61219.21371.61524.0

Note：①By the agreement of the delivery parties,these sizes can be adopted.

NominalSize

Taperof Hub

Length thru. Hub Radius of Filletat Base of Hub

Thicknessof Flange


Diam. of Hubat Large End Thick-

nessTaperof Hub

WN（1）

A

ExceptBL

SOHSWLJ, TR

SOHSWLJ, TR

BL WN WNWN

t a xb

SOHSWLJ, TR

WNSOHSWLJ, TR

WN

T

Cham-fering

R r

LJ

t x

36



10A～600A


10A～80A


WNA D C h d0 d0 d S g f

Unit：mm

10152025324050658090100125150200250300350400450500550600

46515667768196116132145160195230275345395440495560615670720

9095100125135140155175200210225270305350430480540605675730795845

65707590100105120140160170185225260305380430480540605660720770

15151519191919192323232525252727333333333939

1111222222222223333333

44444488888812121216161620202024

101013131313161616－－－－－－－－－－－－－

17.822.227.734.543.249.161.177.190.0102.6115.4141.2166.6218.0269.5321.0358.1409 460 511 562 613

－ 23.428.935.644.350.462.778.791.6104.1116.9143.0168.4219.5271.7322.8360.2411.2462.3514.4565.2616.0

12.716.121.427.235.541.252.765.978.190.2102.3126.6151.0199.9248.8297.9333.4381.0431.8482.6533.4584.2

Rc 3／8Rc 1／2Rc 3／4Rc 1Rc 11／4Rc 11／2Rc 2Rc 21／2Rc 3　－Rc 4Rc 5Rc 6　－　－　－　－　－　－　－　－　－　


Bore

WN

SOHSW

LJSWWN（1）

Depth ofSocket

SW


NominalSize

OutsideDiameter

Bolt CircleDiameter


Numberof BoltHoles

Height

Raised Face

37



WNWelding neck Flange

10A～600A


NominalSize

Taper ofHub

Cham-fering

A

Thicknessof Flange

t

SOHSWLJ, TR

WN


Diam. of Hubat Large End Length thru. Hub

a

SOHSWLJ, TR

WN

bWNx

SOHSWLJ

TR

T

WNLJR

Radius ofFillet atBase ofHub

r

Unit：mm

10152025324050658090100125150200250300350400450500550600

－333444555566669999999

12121414161616182020222224262830343840424446

2630384656627694108120134164196244304354398446504558612666

17.321.727.234.042.748.660.576.389.1101.6114.3139.8165.2216.3267.4318.5355.6406.4457.2508.0558.8609.6

444455556666666881010101010

2832425060668098112124138170202252312364408456514568622676

161620202224242730－364040－－－－－－－－－

2934394756627592105118134162192244298352398452510561616670

31323436393940464950566069738188104115126128135141

1.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.25

16162020222424262830343438404448526064687074

38


SOH Type ASlip-on Welding Hubbed Flange

10A～600A

SOH Type BSlip-on Welding Hubbed Flange

10A～50A

SOH Type CSlip-on Welding Hubbed Flange

65A～600A


10A～80A




10A～600A


A D C h d0 d0 （1）d S g f

Unit：mm

10152025324050658090100125150200250300350400450500550600

46515667768196116132145160195230275345395440495560615670720

9095100125135140155175200210225270305350430480540605675730795845

65707590100105120140160170185225260305380430480540605660720770

15151519191919192323232525252727333333333939

1111222222222223333333

44444488888812121216161620202024

101013131313161616－－－－－－－－－－－－－

17.822.227.734.543.249.161.177.190.0102.6115.4141.2166.6218.0269.5321.0358.1409 460 511 562 613

－ 23.428.935.644.350.462.778.791.6104.1116.9143.0168.4219.5271.7322.8360.2411.2462.3514.4565.2616.0

12.716.121.427.235.541.252.765.978.190.2102.3126.6151.0199.9248.8297.9333.4381.0431.8482.6533.4584.2

Rc 3／8Rc 1／2Rc 3／4Rc 1Rc 11／4Rc 11／2Rc 2Rc 21／2Rc 3　－Rc 4Rc 5Rc 6　－　－　－　－　－　－　－　－　－


Bore

SOHSW

LJSWWNSOH

Depth ofSocketSW


NominalSize

OutsideDiameter

Bolt CircleDiameter


Numberof BoltHoles

Height

Raised Face

39


SOH Type A10A～600A

SOH Type B10A～50A

SOH Type C65A～600A

NominalSize

Taperof Hub Radius of

Fillet

A t


Thicknessof Flange


a

SOHSWLJ, TR

WNSOHSWLJ, TR

WN

bWN

SOHType C

x

SOHSWLJ, TR

WN

T RLJ

Cham-fering

r

Stopper of Socket

I

Unit：mm

n aS2S1Nominal SizeA m

Leg of Weldw1 w2

Unit：mm

10152025324050658090100125150200250300350400450500550600

10152025324050658090100125150200250300350400450500550600

2731374452587094107120132160186237290345384437490544595646

27313744535972－－－－－－－－－－－－－－－

444444466667891011121315161618

4444.555.55.5 －－－－－－－－－－－－－－－

－－－－－－－20°20°20°20°30°30°30°30°30°35°35°35°35°35°35°

4 4 5 6 6 6　 6.5 8 8 9 91010111213141516161818

3 3　 3.5 4 4 4 4 6 6 6 7 7 8 91011121214141616

444455556666666881010101010

－333444555566669999999

14141616181818202224242628303436404648505254

30344048566276100113126138166196244304354398446504558612666

－－－－－－－666666666677777

17.321.727.234.042.748.660.576.389.1101.6114.3139.8165.2216.3267.4318.5355.6406.4457.2508.0558.8609.6

33343638414142485154586473778794110123134136143149

32364250606680104117130142172202252312364408456514568622676

2934394756627592105118134162192244298352398452510561616670

1.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.25

20202224262626303436364042465256627078849096

40


SOH Type ASlip-on Welding Hubbed Flange

10A～400A

SOH Type BSlip-on Welding Hubbed Flange

10A～50A

SOH Type CSlip-on Welding Hubbed Flange

65A～400A


15A～400A


NominalSize

Bore Raised Face

A

OutsideDiameter

D

Bolt CircleDiameter

C

Diam. ofBolt Holes

h

Numberof BoltHoles

SOH

d0

SOHWN（1）d

Thicknessof Flange

t

Diameter

g

Height

f

Unit：mm

10152025324050658090100125150200250300350400

525560708090105130140150160195235280345405450510

110115120130140160165200210230240275325370450515560630

75808595105120130160170185195230275320390450495560

191919191923192323252525272733333339

111122222222222333

444444888888121212161616

161818202222222628303236384248525460

17.822.227.734.543.249.161.177.190.0102.6115.4141.2166.6218.0269.5321.0358.1409

－ 16.121.427.235.541.252.765.978.190.2102.3126.6151.0199.9248.8297.9333.4381.0


41


SOH Type A10A～400A

SOH Type B10A～50A

SOH Type C65A～400A

NominalSize

Taperof Hub

Radius of Fillet

A a



b

WNSOH WNSOHWNx

SOHType C

SOHWNSOH

T

WN

r

Stopper of Socket

I

Unit：mm

n aS2S1Nominal SizeA m

Leg of Weldw1 w2

Unit：mm

10152025324050658090100125150200250300350400

10152025324050658090100125150200250300350400

2731374452587096109122135160186237290345385435

27404452606678－－－－－－－－－－－

445666 6.5 9.5 9.5 9.5 9.5 9.5 9.5 9.510 12 13 14

4555555－－－－－－－－－－－

－－－－－－－20°20°20°20°20°20°20°20°30°30°30°

4 4 5 6 6 6 6.5101010.510.510.510.51112131415

3 3　 3.5 4 4 4 4 6 6 6 7 7 8 910111213

－666668888810101012151520

4555666888888810101215

30364250606682102115128141166196248306360402456

－ 21.727.234.042.748.660.576.389.1101.6114.3139.8165.2216.3267.4318.5355.6406.4

－－－－－－－66666666667

－ 454548525457697374768695102118127134149

－404452627084104118130142172202254312366406462

34404654647086106121134147172204256314370412468

－1.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.251.25

242628303234364044464854586472788492

42



15A～400A


NominalSize

BoreDiam. ofHub atSmall End

Raised FaceDiam. ofHub atLarge End

Taperof Hub

Lengththru. Hub

Radiusof Fillet

A

OutsideDiameter

D

Bolt CircleDiameter

C h

Diam. ofBolt Holes

d

Numberof BoltHoles

t

WN（1）

afg

Thicknessof Flange

xb

Diameter

T

Height

r

WNWNWN

Unit：mm

15

20

25

32

40

50

65

80

90

100

125

150

200

250

300

350

400

115

120

130

140

160

165

200

210

230

250

300

355

405

475

540

585

645

48

48

53

54

59

65

78

78

79

85

108

117

130

152

153

168

168

80

85

95

105

120

130

160

170

185

205

250

295

345

410

470

515

570

19

19

19

19

23

19

23

23

25

25

27

33

33

33

39

39

39

20

20

22

24

24

26

30

32

34

36

40

44

50

56

60

64

70

55

60

70

80

90

105

130

140

150

165

200

240

290

355

410

455

515

1

1

1

2

2

2

2

2

2

2

2

2

2

2

3

3

3

4

4

4

4

4

8

8

8

8

8

8

12

12

12

16

16

16

6

6

6

6

6

8

8

8

8

8

10

10

10

12

15

15

20

40

45

54

62

72

87

108

119

130

146

186

215

270

333

380

425

466

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

16.1

21.4

27.2

35.5

41.2

52.7

65.9

78.1

90.2

102.3

126.6

151.0

199.9

248.8

297.9

333.4

381.0

21.7

27.2

34.0

42.7

48.6

60.5

76.3

89.1

101.6

114.3

139.8

165.2

216.3

267.4

318.5

355.6

406.4


WNWN

43



15A～400A


15

20

25

32

40

50

65

80

90

100

125

150

200

250

300

350

400

120

135

140

150

175

185

220

230

255

270

325

365

425

500

560

615

680

57

57

61

61

73

82

101

103

103

107

127

152

159

189

199

202

212

85

95

100

110

130

145

175

185

205

220

265

305

360

430

485

530

590

19

23

23

23

25

23

25

25

27

27

33

33

33

39

39

45

45

23

25

27

30

32

34

38

40

42

44

50

54

60

68

77

81

89

55

60

70

80

90

105

130

140

150

165

200

240

290

355

410

455

515

1

1

1

2

2

2

2

2

2

2

2

2

2

2

3

3

3

4

4

4

4

4

8

8

8

8

8

8

12

12

12

16

16

16

6

6

6

6

6

8

8

8

8

8

10

10

10

12

15

15

20

42

46

55

60

75

92

118

130

140

154

190

230

280

346

395

429

479

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

1.25

14.3

19.4

25.0

32.9

38.4

49.5

62.3

73.9

85.4

97.1

120.8

143.2

190.9

237.2

283.7

317.6

363.6

21.7

27.2

34.0

42.7

48.6

60.5

76.3

89.1

101.6

114.3

139.8

165.2

216.3

267.4

318.5

355.6

406.4


NominalSize

BoreDiam. ofHub atSmall End

Raised FaceDiam. ofHub atLarge End

Taperof Hub

Lengththru. Hub

Radiusof Fillet

A

OutsideDiameter

D

Bolt CircleDiameter

C h

Diam. ofBolt Holes

d

Numberof BoltHoles

t

WN（1）

afg

Thicknessof Flange

xb

Diameter

T

Height

r

WNWNWN

Unit：mm

WNWN

44

Weight of JIS flanges JIS B 2220：2012

Unit：kgNominalSize 5K flange2K flangeA SOHSOPSOP BL SW LJ TR WN WN★ BL

10K flangeSOHSOP SW LJ TR WN WN★★ BL

10

15

20

25

32

40

50

65

80

90

100

125

150

175

200

225

250

300

350

400

450

500

　550

　600

650

700

750

800

850

900

1000

1100

1200

1350

1500

0.26

0.30

0.36

0.45

0.77

0.82

1.06

1.48

1.97

2.08

2.35

3.20

4.39

5.42

6.24

6.57

9.39

10.2

14.0

16.9

21.4

23.0

30.1

32.5

35.6

38.0

48.4

51.2

53.9

60.7

70.1

81.6

101

116

137

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

19.9

21.5

28.2

30.4

33.5

35.8

43.0

45.4

47.8

50.1

58.9

67.9

79.7

90.5

109.6

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

48.8

57.1

75.2

86.3

99.1

111.8

130.3

144.7

159.9

175.8

226.9

271.2

321.2

396.2

515.4

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

24.9

27.0

34.5

37.8

43.2

45.8

57.7

61.3

65.3

73.1

84.8

105

129

151

180

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

74.0

91.1

96.3

105

114

147

202

265

324

385

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

12.7

13.8

18.2

25.8

33.4

38.0

49.4

52.6

60.2

70.2

86.5

92.0

98.7

110

133

175

215

274

340

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

60.4

76.7

82.1

92.6

129.0

158.0

166.0

175.0

190.0

236.0

307.0

381.0

496.0

624.0

0.52

0.58

0.75

1.16

1.53

1.65

1.97

2.77

2.89

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

0.56

0.71

1.11

1.45

1.53

1.83

2.53

2.52

2.66

3.02

4.60

6.14

－

7.28

－

12.3

13.2

17.4

24.8

32.3

36.4

47.7

50.8

－

－

－

－

－

－

－

－

－

－

－

0.52

0.58

0.75

1.17

1.54

1.65

1.99

2.79

2.90

－

3.70

5.70

7.48

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

0.55

0.63

0.80

1.26

1.67

1.78

2.18

3.07

3.17

3.40

3.89

5.77

7.86

8.70

10.1

10.6

16.0

18.1

24.8

34.2

42.7

50.3

64.4

69.1

78.7

94.5

114

120

126

138

171

222

275

368

459

0.53

0.60

0.79

1.22

1.66

1.79

2.23

3.24

3.48

3.90

4.57

7.18

10.1

11.8

13.9

15.8

22.6

27.8

36.9

52.1

68.4

81.6

112※

134※

161

196

248

286

330

377

512

675

854

1180

1590

0.27

0.31

0.38

0.48

0.83

0.90

1.19

1.72

2.34

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

0.29

0.36

0.44

0.76

0.80

1.03

1.44

1.92

2.02

2.28

3.08

4.25

－

6.06

－

9.11

9.76

13.4

16.2

23.9

25.6

33.0

36.2

－

－

－

－

－

－

－

－

－

－

－

0.28

0.31

0.39

0.50

0.84

0.91

1.20

1.74

2.35

－

2.99

4.29

5.74

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

－

0.30

0.35

0.44

0.56

0.94

1.03

1.33

1.92

2.53

2.70

3.04

4.17

5.87

7.16

8.50

9.30

13.2

15.1

21.6

26.2

32.7

35.4

44.4

47.8

54.3

60.6

75.4

79.5

87.0

95.2

111

146

190

240

284

　0.28

　0.32

　0.41

　0.52

　0.91

　1.00

　1.38

　2.00

　2.67

　2.99

　3.66

　5.16

　7.47

　9.52

12.1

13.9

19.2

24.2

33.0

41.7

52.7

61.6

80.8

92.7

114

138

171

202

237

260

345

454

586

814

1060

0.51

0.56

0.72

1.12

1.47

1.55

1.86

2.58

2.58

2.73

3.10

4.73

6.30

6.75

7.46

7.70

11.8

12.6

16.3

23.2

29.3

33.3

42.9

45.4

51.8

59.0

72.8

76.0

80.1

88.9

109

131

163

204

248

Notes：①Regarding WN* , refer to dimensions of WN（1）of page33.

②Regarding WN**, refer to dimensions of WN（1）of page34.

③The above flange weight is computed as 7.85g/cm2 in density of steel.

④The mass of the above flange is based on flat face type for the computation.

Weight of JIS flanges JIS B 2220：2012

Unit：kg

16K flange 20K flange

A SOH SW LJ TR WN BL SW LJ TR WN BLSOH

A B C10152025324050658090100125150200250300350400450500550600

0.52 0.58 0.75 1.16 1.53 1.64 1.83 2.58 3.61 3.89 4.87 7.09 9.5712.0 20.1 24.3 34.4 47.4 61.8 73.7 87.9 98.4

－ 0.57 0.74 1.15 1.50 1.61 1.79 2.51 3.53 3.80 4.76 6.92 9.3511.8 19.6 23.6 33.5 46.3 60.5 71.7 85.8 96.1

0.53 0.59 0.77 1.19 1.57 1.69 1.90 2.71 3.81－ 5.18 7.7610.2 －－－－－－－－－

0.56 0.64 0.81 1.27 1.67 1.79 2.05 3.00 4.16 4.53 5.76 8.3911.5 15.3 24.8 31.3 45.7 63.6 82.8 96.3 116 130

0.53 0.60 0.79 1.22 1.66 1.79 2.09 3.08 4.41 4.92 6.29 9.2112.7 18.4 30.4 40.5 57.5 81.7 107 132163 192

0.58 0.65 0.81 1.27 1.58 1.68 1.89 2.73 3.85 4.47 5.03 7.9410.4 13.1 23.1 27.2 38.4 53.9 71.0 84.6 102 115

0.580.640.801.261.571.661.86－－－－－－－－－－－－－－－

0.600.670.841.311.641.741.962.924.13－－－－－－－－－－－－－

－ 0.680.841.331.701.802.002.894.044.675.248.2410.8 13.6 23.7 28.1 39.7 55.6 73.1 86.5 104 117

0.600.670.841.321.641.741.972.914.08－ 5.358.4411.1－－－－－－－－－

0.610.700.881.371.731.852.123.114.305.085.959.3112.6 16.6 28.3 34.9 50.2 71.7 92.8 108 128 144

0.590.670.861.341.731.872.203.244.635.676.6110.5 14.4 20.8 36.2 47.4 66.1 97.0 126155 190223

－－－－－－－ 2.813.954.595.188.1510.7 13.6 23.8 28.1 39.5 55.5 72.9 86.7 104117

0.530.580.761.181.561.681.882.683.76－－－－－－－－－－－－－

Notes：①The above flange weight is computed as 7.85g/cm2 in density of steel.

②The mass of 16K flange is based on flat face type and the mass of both 20K and 30K flange is based on raised face type for the computation.

Unit：kgNominalSize 30K flange 40K flange

A WN BLWN BL

63K flange

10152025324050658090100125150200250300350400

－ 1.331.451.922.393.093.245.706.728.319.4014.0 20.2 27.2 45.2 61.0 74.5 103

1.001.251.381.842.323.003.145.506.638.5510.015.322.232.655.277.996.9136　　

WN BL

－ 1.471.612.142.603.413.886.687.619.3111.8 20.3 29.2 41.9 66.1 81.2 103 127

－ 1.401.542.032.543.293.746.387.629.7312.4 20.2 30.0 45.772.3 97.0 123 167

－ 1.892.512.983.655.546.4310.9 12.4 15.4 18.1 30.0 42.4 61.0 97.3 128 154 202

－ 1.782.412.833.605.306.059.8411.5 14.9 17.7 29.2 39.2 61.0 95.9 135 170 233

SOHA B C1.001.241.361.772.172.822.894.885.707.138.0111.6 17.0 22.2 36.8 49.1 60.4 82.0

1.001.221.341.752.152.792.86－－－－－－－－－－－

－－－－－－－ 4.965.807.258.1611.9 17.3 22.6 37.5 50.0 61.5 83.7

Notes：①The above flange weight is computed as 7.85g/cm2 in density of steel.

②The mass of the above flange is based on raised face type for the computation.

45

NominalSize

46

Vacuum flange dimensions andVacuum flange Dimensional tolerance For Maintenance

JIS B 2290-1998

Flat Face Type VF Grooved Type VG

NominalSize Outside

Diam.

Dimensions of Flange Bolt Holes Gasket GrooveOutsideDiam. ofPipe

A D

Thickness

T

Height ofRaised Face

f

Diam. ofRaised Face

g

Bolt CircleDiam.

C

Number ofBolt Holes

a

Diam. ofBolt Holes

h

InsideDiam.

G1

OutsideDiam.

G2

Depth

S102025405065801001251502002503003504004505005506006507007508009001000

17.327.234.048.660.576.389.1114.3 139.8 165.2 216.3 267.4 318.5 355.6 406.4 457.2 508.0 558.8 609.6 660.4 711.2 762.0 812.8 914.4 1016.0

70809010512014516018521023530035040045052057562568075080085090095510651170

Bore

d017.827.734.549.161.177.190.0115.4 141.2 166.6 218.0 269.5 321.0 358.1 4094605115626136647157668179191021

88810101012121212161616202020222424242626262828

1111112222222222222222222

38485872881051201451701952523023524024585115616166727227728228779831088

5060708510012013516018521027032037042048053558564070075080085090510151120

444444488881212121216161616202020242424

2434405570851001201501752252753253804304805305856406907407908459501055

3444506580951101301601852412913413964465045546096647147648148699741079

101010101012121212121515151518.518.518.518.523232323232525

33333333334.54.54.54.54.57777777777

Unit：mm

Notes：①The tolerances for f, g and h shall be appropriately determined for individual cases in such a way as well cause no inconveniences in practice.②As to the outside diameter（d）of the pipe to be jointed, those shown in the table or other sizes nearly equal to them shall be used.③The joint face of the flange can be made as shown by the broken line. ④The bolt fastening face of the flange shall be finished in parallel to the joint face of the flange.⑤In case O ring is used for the gasket, the chamfered edge of the groove can be made smaller than shown above.

Note：①Numerical values marked with* are obtained from the standard dimensions in the table.

Magnified View of Groove

Vacuum flange dimensions

Dimensional tolerance

＋1＋1.5＋2＋1＋1.5

＋1.0＋1.5＋2＋0.1　0

±0.5±0.6±0.8±0.5

00000

0000－0.2

Outside Diameter of Flange

Thickness of Flange

Diameter of Bolt Circle

　　　　　　　　　Pitch of Bolt Hole

Inside Diameter of Groove for Gasket

　　　　　　Width of GrooveDepth of Groove

D

T

C

G1

　　 S

70 ～ 235300 ～ 575625 ～ 11708 ～ 1820 ～ 2850 ～ 210270 ～ 585640 ～ 1120

（39.25 ～ 146.53）*24 ～ 325380 ～ 640690 ～ 1055（5 ～ 12）*3 ～ 7

Parts of Flange Range of Standard Dimensions Tolerance

Unit：mm

Documents

· PDF file3 Contents Vacuum flange dimensions and Vacuum flange dimensional tolerance （JIS B 2220：2012） （ASME B16.5） （ASME B16.5） （ASME B16.5） （ASME B16.5）

· PDF file3 Contents Vacuum flange dimensions and Vacuum flange dimensional tolerance （JIS B 2220：2012）（ASME B16.5）（ASME B16.5）（ASME B16.5）（ASME B16.5）