公稱(chēng)直徑DN

mm

K8公稱(chēng)壁厚

mm

K8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

6.0

4.7

250

6.0

4.7

300

6.4

4.8

350

6.8

5.2

400

7.2

5.5

450

7.6

5.9

500

8.0

6.2

600

8.8

6.9

700

9.6

7.6

800

10.4

8.3

900

11.2

9.0

1000

12.0

9.7

1100

12.8

10.4

1200

13.6

11.1

1400

15.2

12.5

1500

16.0

13.2

1600

16.8

13.9

1800

18.4

15.3

2000

20.0

16.7

2200

21.6

18.1

2400

23.2

19.5

2600

24.8

20.9