JIS 5K

LTB

DRILLING DATA

JIS 5K

NOMINAL PIPE SIZE

OUTSIDE 
DIAMETER
OF FLANGE

THICKNESS
OF FLANGE

THINKNESS
BLIND

BOSSES
LENGTH
SOH,SWLJ

WELD NECK
LENGTH

PITCH
CIRCLE
DIAMETER

NUMBER OF BOLT HOLES

BOLT HOLE DIAMETER

NOMINAL PIPE SIZE

MM

INCH

C

T

T1

L

L1

PCD

#

H

MM

INCH

10

3/8

75

9

9

13

24

55

4

12

10

3/8

15

1/2

80

9

9

13

25

60

4

12

15

1/2

20

3/4

85

10

10

15

28

65

4

12

20

3/4

25

1

95

10

10

17

30

75

4

12

25

1

32

1 1/4

115

12

12

19

33

90

4

15

32

1 1/4

40

1 1/2

120

12

12

20

34

95

4

15

40

1 1/2

50

2

130

14

14

24

36

105

4

15

50

2

65

2 1/2

155

14

14

27

39

130

4

15

65

2 1/2

80

3

180

14

14

30

41

145

4

19

80

3

90

3 1/2

190

14

14

41

155

4

19

90

3 1/2

100

4

200

16

16

36

41

165

8

19

100

4

125

5

235

16

16

40

43

200

8

19

125

5

150

6

265

18

18

40

49

230

8

19

150

6

175

7

300

18

18

N/A

49

260

8

23

175

7

200

8

320

20

20

N/A

53

280

8

23

200

8

225

9

345

20

20

N/A

54

305

12

23

225

9

250

10

385

22

22

N/A

61

345

12

23

250

10

300

12

430

22

22

N/A

62

390

12

23

300

12

350

14

480

24

24

N/A

73

435

12

25

350

14

400

16

540

24

24

N/A

76

495

16

25

400

16

450

18

605

24

24

40

79

555

16

25

450

18

500

20

655

24

24

40

79

605

20

25

500

20

550

22

720

26

26

42

81

665

20

27

550

22

600

24

770

26

26

44

81

715

20

27

600

24

650

26

825

26

28

48

85

770

24

27

650

26

700

28

875

26

30

48

94

820

24

27

700

28

750

30

945

28

32

52

100

880

24

33

750

30

800

32

995

28

34

52

100

930

24

33

800

32

850

34

1045

28

36

54

108

980

24

33

850

34

900

36

1095

30

36

56

108

1030

24

33

900

36

1000

40

1195

32

40

60

116

1130

28

33

1000

40