公称通径
Nominal Diameter

外径
Outside Diameter

壁厚
Wall Thickness

承插孔径
Socket Bore

流通孔径
Water way Bore

承插孔深度
Depth of Socket

公称装配长度
Length Assem
Nominal

Dmin

Cmin

d1

d2

Jmin

L

DN

NPS

承插焊
Socket

螺纹
Threaded

承插焊
Socket

螺纹
Threaded

承插焊
Socket

承插焊、螺纹
Socket & Threaded

承插焊
Socket

承插焊、螺纹
Socket & Threaded

6

1/8

21.8

14.7

3.2

2.5

10.65

6.43

10

41.4

8

1/4

21.8

19.0

3.3

3.1

14.10

9.45

10

41.4

10

3/8

25.9

22.9

3.5

3.2

17.55

13.51

10

46.0

15

1/2

31.2

27.7

4.1

3.8

21.70

17.07

10

49.0

20

3/4

37.1

33.5

4.3

4.0

27.05

21.39

13

56.9

25

1

45.5

41.4

5.0

4.6

33.80

27.74

13

62.0

32

11/4

54.9

50.5

5.3

4.9

42.55

35.36

13

71.1

40

11/2

61.5

57.2

5.6

5.1

48.65

41.20

13

76.5

50

2

75.2

70.1

6.1

5.6

61.10

52.12

16

86.1

65

21/2

91.7

85.3

7.7

7.1

73.80

64.31

16

102.4

80

3

109.2

102.4

8.4

7.7

89.80

77.27

16

109.0