公稱   通徑  DN

外徑D

公稱壁厚

A系列

B系列

Sch5s

Sch10s

Sch20s

LG

Sch20

Sch30

STD

Sch40

Sch60

XS

Sch80

Sch100

Sch120

Sch140

Sch160

15

21.3

18

1.6

2.1

2.6

ˉ

ˉ

ˉ

2.9

ˉ

ˉ

3.6

ˉ

ˉ

ˉ

4.5

20

26.9

25

1.6

2.1

2.6

ˉ

ˉ

ˉ

2.9

ˉ

ˉ

4

ˉ

ˉ

ˉ

5.6

25

33.7

32

1.6

2.8

3.2

ˉ

ˉ

ˉ

3.2

ˉ

ˉ

4.5

ˉ

ˉ

ˉ

6.3

32

42.4

38

1.6

2.8

3.2

ˉ

3.2

ˉ

ˉ

3.6

ˉ

ˉ

5

ˉ

ˉ

ˉ

6.3

40

48.3

45

1.6

2.8

3.2

ˉ

3.2

ˉ

ˉ

3.6

ˉ

ˉ

5

ˉ

ˉ

ˉ

7.1

50

60.3

57

1.6

2.8

3.6

ˉ

3.2

ˉ

ˉ

4

ˉ

ˉ

5.6

ˉ

ˉ

ˉ

8.8

65

76.1

76

2

3

3.6

ˉ

4.5

ˉ

ˉ

5

ˉ

ˉ

7.1

ˉ

ˉ

ˉ

10

80

88.9

89

2

3

4

ˉ

4.5

ˉ

ˉ

5.6

ˉ

ˉ

8

ˉ

ˉ

ˉ

11

100

114.3

108

2

3

4

ˉ

5

ˉ

ˉ

5.9

ˉ

ˉ

8.8

ˉ

11

ˉ

14.2

125

139.7

133

2.9

3.4

5

ˉ

5

ˉ

ˉ

6.3

ˉ

ˉ

10

ˉ

12.5

ˉ

16

150

168.3

159

2.9

3.4

5

ˉ

5.6

ˉ

ˉ

7.1

ˉ

ˉ

11

ˉ

14.2

ˉ

17.5

200

219.1

219

2.9

4

6.3

ˉ

6.3

7.1

ˉ

8

10

ˉ

12.5

16

17.5

20

22.2

250

273

273

3.6

4

6.3

ˉ

6.3

8

ˉ

8.8

12.5

ˉ

16

17.5

22.2

25

28

300

323.9

325

4

4.5

6.3

ˉ

6.3

8.8

ˉ

10

14.2

ˉ

17.5

22.2

25

28

32

350

355.6

377

4

5

8

8

8

10

10

11

16

13

20

25.8

28

32

36

400

406.4

426

4

5

8

8

8

10

10

12.5

17.5

13

22.2

28

30

36

40

450

457.2

478

4

5

8

8

8

11

10

14.2

20

13

25

30

36

45

45

500

508

529

5

5.6

8

8

10

12.5

10

16

20

13

28

32

40

ˉ

50

550

559

ˉ

5

5.6

ˉ

8

ˉ

ˉ

10

17.5

ˉ

13

ˉ

ˉ

ˉ

ˉ

ˉ

600

610

630

5.6

6.3

ˉ

8

ˉ

ˉ

10

17.5

ˉ

13

ˉ

ˉ

ˉ

ˉ

ˉ

650

660

ˉ

ˉ

ˉ

ˉ

8

ˉ

ˉ

10

17.5

ˉ

13

ˉ

ˉ

ˉ

ˉ

ˉ

700

711

720

ˉ

ˉ

ˉ

8

ˉ

ˉ

10

17.5

ˉ

13

ˉ

ˉ

ˉ

ˉ

ˉ

750

762

ˉ

ˉ

ˉ

ˉ

8

ˉ

ˉ

10

ˉ

ˉ

13

ˉ

ˉ

ˉ

ˉ

ˉ

800

813

820

ˉ

ˉ

ˉ

8

ˉ

ˉ

10

ˉ

ˉ

13

ˉ

ˉ

ˉ

ˉ

ˉ