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Dimensions & Approximate Masses DIN 2631 PN6 Flange WN

Dimensions & Approximate Masses DIN 2631 PN6 Flange WN

Dimensions & Approximate Masses DIN 2631 PN6 Flange WN

Germany standard flange DIN 2631 welding neck flanges; nominal pressure 6

Pipe

Flange

Neck

Raised face

Drilling

Weight

(7,85 Kg/dm3)

Rated

d1

D

b

k

h1

d3

s

r

h2

d4

f

Holes

Bolt Diameter

d2

Kg

Diameter

ISO Series

DIN Series

15

20

80

12

55

30

28

2

4

6

40

2

4

M 10

11

0,392

21,3

30

20

25

90

14

65

32

35

2,3

4

6

50

2

4

M 10

11

0,592

26,9

38

25

30

100

14

75

35

40

2,6

4

6

60

2

4

M 10

11

0,747

33,7

42

32

38

120

14

90

35

50

2,6

6

6

70

2

4

M 12

14

1,05

42,4

55

40

44,5

130

14

100

38

58

2,6

6

7

80

3

4

M 12

14

1,18

48,3

62

50

57

140

14

110

38

70

2,9

6

8

90

3

4

M 12

14

1,34

60,3

74

65

76,1

160

14

130

38

88

2,9

6

9

110

3

4

M 12

14

1,67

80

88,9

190

16

150

42

102

3,2

8

10

128

3

4

M 16

18

2,71

100

108

210

16

170

45

122

3,6

8

10

148

3

4

M 16

18

3,24

114,3

130

125

133

240

18

200

48

148

4

8

10

178

3

8

M 16

18

4,49

139,7

155

150

159

265

18

225

48

172

4,5

10

12

202

3

8

M 16

18

5,15

168,3

184

200

219,1

320

20

280

55

236

5,9

10

15

258

3

8

M 16

18

7,78

250

267

375

22

335

60

282

6,3

12

15

312

3

12

M 16

18

10,8

273

290

300

323,9

440

22

395

62

342

7,1

15

15

365

4

12

M 20

22

14

350

355,6

490

22

445

62

385

7,1

12

15

415

4

12

M 20

22

18,5

368

16,7

400

406,4

540

22

495

65

438

7,1

12

15

465

4

16

M 20

22

21,2

419

19

500

508

645

24

600

68

538

7,1

12

15

570

4

20

M 20

22

28,6

600

610

755

24

705

70

640

7,1

12

16

670

5

20

M 24

26

31,5

700

711

860

24

810

70

740

7,1

12

16

775

5

24

M 24

26

37,4

800

813

975

24

920

70

842

7,1

12

16

880

5

24

M 27

30

46,1

900

914

1075

26

1020

70

942

7,1

12

16

980

5

24

M 27

30

55,6

1000

1016

1175

26

1120

70

1045

7,1

16

16

1080

5

28

M 27

30

61,9

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