Tuesday, January 4, 2022

Germany standard flange DIN 2637 welding neck flanges

Germany standard flange DIN 2637 welding neck flanges

Germany standard flange DIN 2637 welding neck flanges; nominal pressure 100

Pipe

Flange

Neck

Raised Face

Drilling

Approx.

Weight

(7.85 kg/dm3)

kg

Nominal

Size

d1

D

b

k

h1

d3

s

r

h2

d4

f

Number

of

Holes

Bolt

Diameter

d2

ISO Series

DIN Series

10

14

100

20

70

45

28

1.8

4

6

40

2

4

M12

(1/2″)

14

1.09

17.2

32

15

20

105

20

75

45

32

2

4

6

45

2

4

M12

(1/2″)

14

1.19

21.3

34

25

30

140

24

100

58

48

2.6

4

8

65

2

4

M16

(5/8″)

18

2.66

33.7

52

32

38

155

24

110

60

58

2.6

6

8

75

2

4

M20

(3/4″)

23

3.2

42.4

62

40

44.5

170

26

125

62

65

2.9

6

10

85

3

4

M20

(3/4″)

23

4.09

48.3

70

50

57

195

28

145

68

86

3.2

6

10

95

3

4

M24

(7/8″)

27

5.98

60.3

90

65

76.1

76.1

220

30

170

76

108

3.6

6

12

120

3

8

M24

(7/8″)

27

7.91

80

88.9

88.9

230

32

180

78

120

4

8

12

130

3

8

M24

(7/8″)

27

8.95

100

108

265

36

210

90

145

5

8

12

160

3

8

M27

(1″)

30

13.7

114.3

150

125

133

315

40

250

105

180

6.3

8

12

185

3

8

M30

(1 1/8″)

33

22.7

139.7

150

159

355

44

290

115

210

7.1

10

12

215

3

12

M30

(1 1/8″)

33

30.2

168.3

168.3

-175

191

385

48

320

127

245

8.8

10

16

245

3

12

M30

(1 1/8″)

33

38.9

193.7

200

216

430

52

360

130

278

10

10

16

270

3

12

M33

(1 1/4″)

36

52.8

219.1

250

267

505

60

430

157

340

12.5

12

18

325

3

12

M36

(1 3/8″)

39

81.4

273

300

318

585

68

500

170

400

14.2

12

18

375

4

16

M39

(1 1/2″)

42

122

323.9

350

368

655

74

560

189

460

16

12

20

435

4

16

M45

(1 3/4″)

48

165

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