法兰

API   NOM. Size

Max.   Sise

Dimensions

Seal   Ring

Nom   LP. Size

Tbg.  

Or   CSG.

OD.

Dia.

Thk.

NO.   Bolts

Bolt  

Sizes

Bolt   Cir. Dia.

API   No.

Ring   PD.

2-1/16

2

1.66～23/8

6-1/2

1-5/16

8

5/8×4-1/2

5

23

3-1/4

2-9/16

2-1/2

2-7/8

7-1/2

1-7/16

8

3/4×5

5-7/8

26

4

3-1/8

3

3-1/2

8-1/4

1-9/16

8

3/4×5-1/4

6-5/8

31

4-7/8

4-1/16

4

4～4-1/2

10-3/4

1-13/16

8

7/8×6

8-1/2

37

5-7/8

7-1/16

6

4-1/2～7

14

2-3/16

12

1×7

11-1/2

45

8-5/16

9

8

7-5/8～8-5/8

16-1/2

2-1/2

12

1-1/8×8

13-3/4

49

10-5/8

11

10

9-5/8～10-3/4

20

2-13/16

16

1-1/4×8-3/4

17

53

12-3/4

13-5/8

12

11-3/4～13-3/8

22

2-15/16

20

1-1/4×9

19-1/4

57

15

16-3/4

16

16

27

3-5/16

20

1-1/2×10-1/4

23-3/4

65

18-1/2

21-1/4

20

20

32

3-7/8

24

1-5/8×11-3/4

28-1/2

73

23

API   NOM. Size

Max.   Sise

Dimensions

Seal   Ring

Nom   LP. Size

Tbg.  

Or   CSG.

OD.

Dia.

Thk.

NO.   Bolts

Bolt  

Sizes

Bolt   Cir. Dia.

API   No.

Ring   PD.

2-1/16

2

1.66～23/8

8-1/2

1-13/16

8

7/8×6

6-1/2

24

3-3/4

2-9/16

2-1/2

2-7/8

9-5/8

1-15/16

8

1×7-1/2

7-1/2

27

4-1/4

3-1/8

3

3-1/2

9-1/2

1-13/16

8

7/8×6

7-1/2

31

4-7/8

4-1/16

4

4～4-1/2

11-1/2

2-1/16

8

1-1/8×7

9-1/4

37

5-7/8

7-1/16

6

4-1/2～7

15

2-1/2

12

1-1/8×8

12-1/2

45

8-5/16

9

8

7-5/8～8-5/8

18-1/2

2-13/16

12

1-3/8×9

15-1/2

49

10-5/8

11

10

9-5/8～10-3/4

21-1/2

3-1/16

16

1-3/8×9-1/2

18-1/2

53

12-3/4

13-5/8

12

11-3/4～13-3/8

24

3-7/16

20

1-3/8×10-1/4

21

57

15

16-3/4

16

16

27-3/4

3-15/16

20

1-5/8×11-3/4

24-1/4

66

18-1/2

24-1/4

20

20

33-3/4

4-3/4

20

2×14-1/2

29-1/2

74

23

API   NOM. Size

Max.   Sise

Dimensions

Seal   Ring

Nom   LP. Size

Tbg.  

Or   CSG.

OD.

Dia.

Thk.

NO.   Bolts

Bolt  

Sizes

Bolt   Cir. Dia.

API   No.

Ring   PD.

2-1/16

2

1.66～23/8

8-1/2

1-13/16

8

7/8×6

6-1/2

24

3-3/4

2-9/16

2-1/2

2-7/8

9-5/8

1-15/16

8

1×6-1/2

7-1/2

27

4-1/4

3-1/8

3

3-1/2

10-1/2

2-3/16

8

1-1/8×7-1/4

8

35

5-3/8

4-1/16

4

4～4-1/2

12-1/4

2-7/16

8

1-1/4×8

9-1/2

39

6-3/8

7-1/16

6

4-1/2～7

15-1/2

3-5/8

12

1-3/8×10-3/4

12-1/2

46

8-5/16

9

8

7-5/8～8-5/8

19

4-1/16

12

1-5/8×12

15-1/2

50

10-5/8

11

10

9-5/8～10-3/4

23

4-11/16

12

1-7/8×13-3/4

19

54

12-3/4

13-5/8

12

11-3/4～13-3/8

26-1/2

5-7/16

16

2×15-3/4

22-1/2

58

15

16-3/4

---

11-3/4～13-3/8

26-1/2

4-7/16

16

1-5/8×12-1/2

23-1/4

160

---

API   NOM. Size

Max.   Size

Tbg.   Or Csg.

OD.

Dimensions

Seal   Ring

Dia.

Thk.

NO.   Bolts

Bolt  

Sizes

Bolt   Cir. Dia.

API   No.

Ring   Groove

OD.

“A”

Width

“W”

Depth

“D”

1-11/16

1.900

7-3/16

1-21/32

8

3/4×5

5-9/16

BX150

2.893

0.450

7/32

1-13/16

2.063

7-3/8

1-21/32

8

3/4×5

5-3/4

BX151

3.062

0.466

7/32

2-1/16

2-3/8

7-7/8

1-47/64

8

3/4×5-1/4

6-1/4

BX152

3.395

0.498

15/64

2-9/16

2-7/8

9-1/8

2-1/64

8

7/8×6

7-1/4

BX153

4.046

0.554

17/64

3-1/16

3-1/2

10-5/8

2-19/64

8

1×6-3/4

8-1/2

BX154

4.685

0.606

19/64

4-1/16

4～4-1/2

12-7/16

2-49/64

8

1-1/8×8

10-3/16

BX155

5.930

0.698

21/64

7-1/16

4-1/2～7

18-7/8

4-1/16

12

1-1/2×11-1/4

15-7/8

BX156

9.521

0.921

7/16

9

7-5/8～8-5/8

21-3/4

4-7/8

16

1-1/2×13

18-3/4

BX157

11.774

1.039

1/2

11

8-5/8～9-5/8

25-3/4

5-9/16

16

1-3/4×15

22-1/4

BX158

14.064

1.149

9/16

13-5/8

10-3/4～11-3/4

30-1/4

6-5/8

20

1-7/8×17-1/4

26-1/2

BX159

17.033

1.279

5/8