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DIN 2633 Welding Neck Flanges
DIN 2633 Welding Neck Flanges

DIN PN16 Forged/Cast Steel Flanges

DIN 2633 Welding Neck Flanges

The flanges with the dimensions of this standard can be used at maximum 120°C temperature with up to 16 bar of working pressure.

At higher temperature of 120°C to 300°C, it should be taken into consideration that the material yield point becomes lower.


‧ Dimension Standard: DIN 2633
‧ Materials: Carbon Steel / Stainless Steel
ASTM A351 CF8/ CF8M
ASTM A105
ASTM A182 ( F304, F304L, F316, F316L, F304H, F316H, F11 & F12 )
ASTM A350 LF1, LF2, LF3
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Specification

Pipe

Flange

Neck

Raised Face

Bolts

Arropx.

Weight (kg)

DN

d1

DIN

(ISO)*

D

b

k

h1

d3

DIN

(ISO)

s

r

h2

d4

f

#

Dia. of Bolt

d2

Weld-

ing Nack

Slip- on

Blind

Welding Nack

Slip-on

Blind

10

14

(17.2)

90

14

-

14

60

35

25

(28)

1.8

4

6

40

2

4

M12

1/2"

14

0.58

0.63

0.56

15

20

(21.3)

95

14

14

14

65

35

30

(32)

2

4

6

45

2

4

M12

1/2"

14

0.65

0.72

0.64

20

25

(26.9)

105

16

16

16

75

38

38

(40)

2.3

4

6

58

2

4

M12

1/2"

14

0.95

1.01

0.93

25

30

(33.7)

115

16

16

16

85

38

42

(45)

2.6

4

6

68

2

4

M12

1/2"

14

1.14

1.23

1.13

32

38

(42.4)

140

16

16

16

100

40

52

(56)

2.6

6

6

78

2

4

M16

5/8"

18

1.69

1.80

1.66

40

44.5

(48.3)

150

16

16

16

110

42

60

(64)

2.6

6

7

88

3

4

M16

5/8"

18

1.86

2.09

1.85

50

57

(60.3)

165

18

18

18

125

45

72

(75)

2.9

6

8

102

3

4

M16

5/8"

18

2.53

2.88

2.59

65

76.1

185

18

18

18

145

45

90

2.9

6

10

122

3

4

M16

5/8"

18

3.06

3.66

3.33

80

88.9

200

20

20

20

160

50

105

3.2

8

10

138

3

8

M16

5/8"

18

3.70

4.77

4.34

100

108 (114)

220

20

20

20

180

52

125

(131)

3.6

8

12

158

3

8

M16

5/8"

18

4.62

5.65

5.26

125

133

(139)

250

22

22

22

210

55

150

(156)

4

8

12

188

3

8

M16

5/8"

18

6.30

8.42

7.67

150

159

(168)

285

22

22

22

240

55

175

(184)

4.5

10

12

212

3

8

M20

3/4"

23

7.75

10.4

9.85

200

216

(219)

340

24

24

24

295

62

235

5.9

10

16

268

3

12

M20

3/4"

23

11.0

16.1

15.6

250

267

(273)

405

26

26

26

355

70

285

(292)

6.3

12

16

320

3

12

M24

7/8"

27

15.6

24.9

23.9

300

318

(323)

460

28

28

28

410

78

344

7.1

12

16

378

4

12

M24

7/8"

27

22.0

35.1

33.6

350

368

(355)

520

30

30

30

470

82

390

8

12

16

438

4

16

M24

7/8"

27

28.7

31.0

47.8

46.2

400

419

(406)

580

32

32

32

525

85

445

8

12

16

490

4

16

M27

1"

30

36.3

39.3

63.5

61.5

500

521

(508)

715

34

36

34

650

90

548

8

12

16

610

4

20

M30

1-1/8"

33

61.0

102.0

99.5

600

622

(609)

840

36

40

-

770

95

652

8

12

18

725

5

20

M33

1-1/4"

36

75.4

-

-

* NOTE: Outside diameter of pipe complies with ISO recommendation R64.

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DIN 2633 Welding Neck Flanges, DIN PN16 Forged/Cast Steel Flanges
DIN PN16 Forged/Cast Steel Flanges
DIN 2633 Welding Neck Flanges
The flanges with the dimensions of this standard can be used at maximum 120°C temperature with up to 16 bar of working p ...
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