JIS FLANGESJIS 20kg/cm²

(Dimensions in mm)

PIPE

PIPE

Bo (2)

D (2)

t (2)

T (2)

G (2)

B

A

3/8

10

17.3

17.8

+0.5
-0

90

+1.0
-0

14

+1.0
-0

20

±1.0

48

±0.8

1/2

15

21.7

22.2

95

14

20

52

3/4

20

27.2

27.7

100

16

22

58

1

25

34.0

34.5

125

16

24

70

1 1/4

32

42.7

43.2

135

18

26

80

1 1/2

40

48.6

49.1

140

18

26

85

2

50

60.5

61.1

155

18

26

100

2 1/2

65

76.3

77.1

175

20

30

120

3

80

89.1

90.0

200

22

+1.5
-0

34

135

3 1/2

90

101.6

102.6

+1.0
-0

210

24

36

145

4

100

114.3

115.4

225

24

36

160

5

125

139.8

141.2

270

26

40

195

6

150

165.2

166.6

305

+1.5
-0

28

42

230

±0.9

7

175

190.7

192.1

325

30

46

250

8

200

216.3

218.0

350

30

46

275

9

225

241.8

243.7

385

32

48

300

10

250

267.4

269.5

430

34

52

±1.5

345

12

300

318.5

321.0

480

36

56

395

14

350

355.6

358.1

540

40

62

440

16

400

406.4

409.0

+1.5
-0

605

+2.0
-0

46

70

495

18

450

457.2

460.0

675

48

78

560

20

500

508.0

511.0

730

50

84

615

22

550

558.8

562.0

795

52

+2.0
-0

90

670

±1.0

24

600

609.6

613.0

+2.0
-0

845

54

96

720

26

650

660.4

664.0

945

60

-

790

28

700

711.2

715.0

995

64

-

840

30

750

762.0

766.0

1080

+2.5
-0

68

-

900

32

800

812.8

817.0

+2.5
-0

1140

72

-

960

34

850

863.6

868.0

1200

74

-

1020

±1.2

36

900

914.4

919.0

1250

76

-

1070

 

f

r

H (2)

X (2)

C (2)

Number of Holes

Bolt Diameter

kg/ pc

PL SO BL

1

4

30

+1.0
-0

32

+1.0
-0

65

±0.5

4

15

0.6

0.6

0.6

1

4

34

36

70

4

15

0.7

0.7

0.7

1

4

40

42

75

4

15

0.8

0.8

0.9

1

4

48

50

90

4

19

1.3

1.3

1.5

2

5

56

60

100

4

19

1.6

1.6

1.8

2

5

62

66

105

4

19

1.7

1.7

2.0

2

5

76

80

120

8

19

1.9

1.9

2.4

2

5

100

104

140

8

19

2.6

2.6

3.4

2

6

113

117

160

8

23

3.8

3.9

4.9

2

6

126

130

170

8

23

4.4

4.6

6.0

2

6

138

142

185

8

23

4.9

5.1

6.9

2

6

166

172

225

8

25

7.8

8.3

11.0

2

6

196

202

260

±0.6

12

25

10.1

10.6

14.9

2

6

218

226

+1.5
-0

280

12

25

12.0

12.1

19.0

2

6

244

+1.5
-0

252

305

12

25

12.6

13.3

21.4

2

6

266

274

335

12

27

16.0

16.3

28.5

2

6

304

312

380

12

27

21.9

23.4

37.2

3

8

354

364

430

16

27

25.8

27.7

48.8

3

8

398

408

480

16

33

36.2

39.2

68.0

3

10

446

456

+2.0
-0

540

16

33

51.7

54.2

99.4

3

10

504

+2.0
-0

514

605

±0.8

20

33

66.1

71.7

129.1

3

10

558

568

660

20

33

77.4

86.2

158.4

3

10

612

622

720

20

39

92.2

105.0

194.0

3

10

666

+2.5
-0

676

+2.5
-0

770

24

39

101.1

119.0

226.9

5

-

-

-

850

24

48

147.6

-

311.6

5

-

-

-

900

24

48

168.0

-

370.9

5

-

-

-

970

±1.0

24

56

212.7

-

460.1

5

-

-

-

1030

24

56

248.5

-

546.5

5

-

-

-

1090

24

56

280.5

-

626.2

5

-

-

-

1140

28

56

296.9

-

694.9

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