公稱直徑DN

mm

K9公稱壁厚

mm

K9最小

壁厚

mm

K8公稱壁厚

mm

K8最小

壁厚

mm

K7公稱壁厚

mm

K7最小

壁厚

mm

80

6.0

4.7

6.0

4.7

6.0

4.7

100

6.0

4.7

6.0

4.7

6.0

4.7

125

6.0

4.7

6.0

4.7

6.0

4.7

150

6.0

4.7

6.0

4.7

6.0

4.7

200

6.3

4.8

6.0

4.7

6.0

4.7

250

6.8

5.3

6.0

4.7

6.0

4.7

300

7.2

5.6

6.4

4.8

6.0

4.7

350

7.7

6.1

6.8

5.2

6.0

4.7

400

8.1

6.4

7.2

5.5

6.3

4.6

450

8.6

6.9

7.6

5.9

6.7

5.0

500

9.0

7.2

8.0

6.2

7.0

5.2

600

9.9

8.0

8.8

6.9

7.7

5.8

700

10.8

8.8

9.6

7.6

8.4

6.4

800

11.7

9.6

10.4

8.3

9.1

7.0

900

12.6

10.4

11.2

9.0

9.8

7.6

1000

13.5

11.2

12.0

9.7

10.5

8.2

1100

14.4

12.0

12.8

10.4

11.2

8.8

1200

15.3

12.8

13.6

11.1

11.9

9.4

1400

17.1

14.4

15.2

12.5

13.3

10.6

1500

18.0

15.2

16.0

13.2

14.0

11.2

1600

18.9

16.0

16.8

13.9

14.7

11.8

1800

20.7

17.6

18.4

15.3

16.1

13.0

2000

22.5

19.2

20.0

16.7

17.5

14.2

2200

24.3

20.8

21.6

18.1

18.9

15.4

2400

26.1

22.4

23.2

19.5

20.3

16.6

2600

27.9

24.0

24.8

20.9

21.7

17.8