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JIS B 2220 30K Flange

DataTime:[2014-5-29]

 JIS B 2220 30K Flange

JIS 30K

LTB

DRILLING DATA

JIS 30K

NOMINAL PIPE SIZE

OUTSIDE 
DIAMETER

THICKNESS
OF FLANGE MIN

THINKNESS
BLIND MIN

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

110

16

16

24

N/A

75

4

19

10

3/8

15

1/2

115

18

18

26

45

80

4

19

15

1/2

20

3/4

120

18

18

28

45

85

4

19

20

3/4

25

1

130

20

20

30

48

95

4

19

25

1

32

1 1/4

140

22

22

32

52

105

4

19

32

1 1/4

40

1 1/2

160

22

22

34

54

120

4

23

40

1 1/2

50

2

165

22

22

36

57

130

8

19

50

2

65

2 1/2

200

26

26

40

69

160

8

23

65

2 1/2

80

3

210

28

28

44

73

170

8

23

80

3

90

3 1/2

230

30

30

46

74

185

8

25

90

3 1/2

100

4

240

32

32

48

76

195

8

25

100

4

125

5

275

36

36

54

86

230

8

25

125

5

150

6

325

38

38

58

95

275

12

27

150

6

200

8

370

42

42

64

102

320

12

27

200

8

250

10

450

48

48

72

118

390

12

33

250

10

300

12

515

52

52

78

127

450

16

33

300

12

350

14

560

54

54

84

134

495

16

33

350

14

400

16

630

60

60

92

149

560

16

33

400

16

Tel No:+86-18267732328 / Email:[email protected]
Address:Longwan District, Wenzhou, Zhejiang Province, China.

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Yaang Pipe Industry Co., Ltd. is an international supplier of piping solutions for flange, butt welding fittings, socket welding fittings and threaded fittings. Our products are widely used in different industrial fields, including oil and gas, chemical industry, petrochemical industry, power plant, pulp and paper industry, environmental and water conservancy engineering, engineering projects, etc.