Nominal Pipe Size

OD

Dia. of Bore

D

t

C

Holes

h

G

f

ISO

ISO

DIN

DIN

do

10

17.2

17.7

90

16

60

4

14

40

2

0.61

14

14.5

15

21.3

22

95

16

65

4

14

45

2

0.69

20

21

20

26.9

27.6

105

18

75

4

14

58

2

0.97

25

26

25

33.7

34.4

115

18

85

4

14

68

2

1.16

30

31

32

42.4

43.1

140

168

100

4

18

78

2

1.67

38

39

40

48.3

49

150

18

110

4

18

88

3

1.82

44.5

45.5

50

60.3

61.1

165

20

125

4

18

102

3

2.54

57

58.1

65

76.1

77.1

185

22

145

8

18

122

3

3.14

80

88.9

90.3

200

24

160

8

18

138

3

3.95

100

114.3

115.9

235

24

190

8

22

162

3

5.08

108

109.6

125

139.7

141.6

270

26

220

8

26

188

3

6.92

133

134.8

150

168.3

170.5

300

28

250

8

26

218

3

8.8

159

161.1

200

219.1

221.8

375

34

320

12

30

285

3

15.81

250

273

276.2

450

38

385

12

33

345

3

24.97

267

270.2

300

323.9

327.6

515

42

450

16

33

410

4

33.98

350

355.6

359.7

580

46

510

16

36

465

4

49.88

368

372.2

400

406.4

411

660

50

585

16

39

535

4

71.04

419

423.7

500

508

513.6

755

56

670

20

42

615

4

88.82