公称通径

外径

每米重量  kg/m

DN

NPS

D

Sch10

Sch20

Sch30

STD

Sch40

Sch60

XS

Sch80

Sch

100

Sch

120

Sch

140

Sch

160

XXS

6

1/8

10.3

0.28

-

0.32

0.37

0.37

-

0.47

0.47

-

-

-

-

-

8

1/4

13.7

0.49

-

0.54

0.63

0.63

-

0.80

0.80

-

-

-

-

-

10

3/8

17.1

0.63

-

0.70

0.84

0.84

-

1.10

1.10

-

-

-

-

-

15

1/2

21.3

1.00

-

1.12

1.27

1.27

-

1.62

1.62

-

-

-

1.95

2.55

20

3/4

26.7

1.28

-

1.44

1.69

1.69

-

2.20

2.20

-

-

-

1.90

3.64

25

1

33.4

2.09

-

2.18

2.50

2.50

-

3.24

3.24

-

-

-

4.24

5.45

32

11/4

42.2

2.70

-

2.87

3.39

3.39

-

4.47

4.47

-

-

-

5.16

7.77

40

11/2

48.3

3.11

-

3.53

4.05

4.05

-

5.41

5.41

-

-

-

7.25

9.56

50

2

60.3

3.93

-

4.48

5.44

5.44

-

7.48

7.48

-

-

-

11.11

13.44

65

21/2

73.0

5.26

-

8.04

8.63

8.63

-

11.41

11.41

-

-

-

14.92

20.39

80

3

88.9

6.45

-

9.92

11.29

11.29

-

15.72

15.72

-

-

-

21.35

27.68

90

31/2

101.6

7.40

-

11.41

13.57

13.57

-

18.63

18.63

-

-

-

-

-

100

4

114.3

8.36

-

12.91

16.07

16.07

-

22.32

22.32

-

28.32

-

33.54

41.03

125

5

141.3

11.57

-

-

21.77

21.77

-

30.97

30.97

-

40.28

-

49.11

57.43

150

6

168.3

13.48

-

-

28.26

28.26

-

42.56

42.56

-

54.20

-

67.56

79.22

200

8

219.1

19.96

33.31

36.81

42.55

42.55

53.08

64.64

64.64

75.92

90.44

100.9

111.3

107.9

250

10

273.0

27.78

41.77

51.03

60.31

60.31

81.55

81.55

96.01

114.8

133.1

155.2

172.3

155.2

300

12

323.9

36.00

49.73

65.20

73.88

79.73

109.0

97.46

132.1

159.9

187.0

208.1

238.8

187.0

350

14

355.6

54.69

67.90

81.33

81.33

94.55

126.7

107.4

158.1

195.0

224.7

253.6

281.7

-

400

16

406.4

62.64

77.83

93.27

93.27

123.3

160.1

123.3

203.5

245.6

286.7

333.2

365.4

-

450

18

457.0

70.57

87.71

122.4

105.2

155.8

205.7

139.2

254.6

309.6

363.6

408.3

459.4

-

500

20

508

78.55

117.2

155.1

117.2

183.4

247.8

155.1

311.2

381.5

441.5

508.1

564.8

-

550

22

559

86.54

129.1

171.1

129.1

-

294.3

171.1

373.8

451.4

527.0

611.6

672.3

-

600

24

610

94.53

141.1

209.6

141.1

255.4

355.3

187.1

442.1

547.7

640.0

720.2

808.2

-