公称通径

外径

Sch5s

Sch10s

Sch40s

Sch80s

DN

NPS

D

T

kg/m

T

kg/m

T

kg/m

T

kg/m

6

1/8

10.3

–

–

1.24

0.28

1.73

0.37

2.41

0.47

8

1/4

13.7

–

–

1.65

0.49

2.24

0.63

3.02

0.80

10

3/8

17.1

–

–

1.65

0.63

2.31

0.84

3.20

1.10

15

1/2

21.3

1.65

0.80

2.11

1.00

2.77

1.27

3.73

1.62

20

3/4

26.7

1.65

1.03

2.11

1.28

2.87

1.69

3.91

2.20

25

1

33.4

1.65

1.30

2.77

2.09

3.38

2.50

4.55

3.24

32

11/4

42.2

1.65

1.65

2.77

2.70

3.56

3.39

4.85

4.47

40

11/2

48.3

1.65

1.91

2.77

3.11

3.68

4.05

5.08

5.41

50

2

60.3

1.65

2.40

2.77

3.93

3.91

5.44

5.54

7.48

65

21/2

73.0

2.11

3.69

3.05

5.26

5.16

8.63

7.01

11.41

80

3

88.9

2.11

4.51

3.05

6.45

5.49

11.29

7.62

15.27

90

31/2

101.6

2.11

5.18

3.05

7.40

5.74

13.57

8.08

18.63

100

4

114.3

2.11

5.84

3.05

8.36

6.02

16.07

8.56

22.32

125

5

141.3

2.77

9.47

3.40

11.57

6.55

21.77

9.53

30.97

150

6

168.3

2.77

11.32

3.40

13.48

7.11

28.26

10.97

42.56

200

8

219.1

2.77

14.79

3.76

19.96

8.18

42.55

12.70

64.64

250

10

273.0

3.40

22.63

4.19

27.78

9.27

60.31

12.70

96.01

300

12

323.9

3.96

31.25

4.57

36.00

9.53

73.88

12.70

132.08

350

14

355.6

3.96

34.36

4.78

41.30

–

–

–

–

400

16

406.4

4.19

41.56

4.78

47.29

–

–

–

–

450

18

457.0

4.19

46.81

4.78

53.26

–

–

–

–

500

20

508

4.78

59.25

5.54

68.61

–

–

–

–

550

22

559

4.78

65.24

5.54

75.53

–

–

–

–

600

24

610

5.54

82.47

6.35

94.45

–

–

–

–

750

30

762

6.35

118.31

7.92

147.36

–

–

–

–