Outer diameter

dn,mm

Nominal wall thickness e,mm

Standard dimension ratio

SDR26

SDR21

SDR17

SDR13.6

SDR11

Nominal pressure PN,Mpa

0.6

0.8

1.0

1.25

1.6

20

-

-

-

2.3

2.3

25

-

-

2.0

2.3

2.3

32

-

-

2.0

2.4

3.0

40

-

2.0

2.3

3.0

3.7

50

-

2.0

2.8

3.7

4.6

63

-

3.0

3.6

4.7

5.8

75

-

3.6

4.5

5.6

6.8

90

-

4.3

5.4

6.7

8.2

110

4.2

5.3

6.6

8.1

10.0

125

4.8

6.0

7.4

9.2

11.4

140

5.4

6.7

8.3

10.3

12.7

160

6.9

7.7

9.5

11.8

14.6

180

5.2

8.6

10.7

13.3

16.4

200

7.7

9.6

11.9

14.7

18.2

225

8.6

10.8

13.4

16.6

20.5

250

9.6

11.9

14.8

18.4

22.7

280

10.7

13.4

16.6

20.6

25.4

315

12.1

15.0

18.7

23.2

28.6

355

13.6

16.9

21.1

26.1

32.2

400

15.3

19.1

23.7

29.4

36.3

450

17.2

21.5

26.7

33.1

40.9

560

21.4

26.7

33.2

41.2

50.9

630

24.1

30.0

37.4

46.3

57.2

710

27.2

33.9

42.1

52.2

-

800

30.6

38.1

47.4

58.8

-

900

34.4

42.9

53.3

-

-

1000

38.2

47.7

59.3

-

-

1200

45.9

57.2

1600

61.3

76.2