Mặt bích JIS inox công nghiệp (7)

FF

Flat face Flange

Mặt bích phẳng JIS 20K

BF

Blind Flange

Mặt bích mù BF JIS 20K

SOFT (A type)

Slip on Flange RF

Mặt bích Slip on RF loại A JIS 20K

RF

Socket Welding Flange

Mặt bích hàn lồng RF JIS 20K

BDRF

Blind Flange RF

Mặt bích mù RF JIS 20K

Nominal

bore

Outside diam

D

Inside

diam

d

Thickness

t

Flast seat

a

T

r

Welding part in detail

Connection

 A

B

g

f

S

m

a

C

h

No of bolt holes

Bolt size

10

90

17.8

14

46

1

-

-

-

-

-

-

65

15

4

M12

15

½

95

22.2

14

51

1

34

20

4

31

4

-

70

15

4

M12

20

¾

100

27.7

16

56

1

40

22

4

37

4

-

75

15

4

M12

25

1

125

34.5

16

67

1

48

24

4

44

4

-

90

19

4

M16

32

1¼

135

43.2

18

76

2

56

26

5

52

4

-

100

19

4

M16

40

1½

140

49.1

18

81

2

62

26

5

58

4

-

105

19

4

M16

50

2

155

61.1

18

96

2

76

26

5

70

4

-

120

19

8

M16

65

2½

175

77.1

20

116

2

100

30

5

94

6

20°

140

19

8

M16

80

3

200

90.0

22

132

2

113

34

6

107

6

20°

160

23

8

M20

100

4

225

115.4

24

160

2

138

36

6

132

6

20°

185

23

8

M20

125

5

270

141.2

26

195

2

-

-

-

-

-

-

225

25

8

M22

150

6

305

166.6

28

230

2

-

-

-

-

-

-

260

25

12

M22

200

8

350

218.0

30

275

2

-

-

-

-

-

-

305

25

12

M22

250

10

430

269.5

34

345

2

-

-

-

-

-

-

380

27

12

M24

300

12

480

321.0

36

395

3

-

-

-

-

-

-

430

27

16

M24