K9级球墨铸铁管壁厚

公称直径DN

mm

K9公称壁厚

mm

K9最小壁厚

mm

80

6.0

4.7

100

6.0

4.7

125

6.0

4.7

150

6.0

4.7

200

6.3

4.8

250

6.8

5.3

300

7.2

5.6

350

7.7

6.1

400

8.1

6.4

450

8.6

6.9

500

9.0

7.2

600

9.9

8.0

700

10.8

8.8

800

11.7

9.6

900

12.6

10.4

1000

13.5

11.2

1100

14.4

12.0

1200

15.3

12.8

1400

17.1

14.4

1500

18.0

15.2

1600

18.9

16.0

1800

20.7

17.6

2000

22.5

19.2

2200

24.3

20.8

2400

26.1

22.4

2600

27.9

24.0