公称通径
Nominal pipe
size DN

BG/T 1438(A)系列

ASME B16.11

JIS B2316

HGJ 10(公制)

SHJ 410(系列Ⅱ)

接管外径
Outside Diameter
of Pipe

承插孔径
Socket Bore Diameter

流通孔径
Bore Diameter of Fittings

接管外径
Outside Diameter
of Pipe

承插孔径
Socket Bore Diameter

流通孔径
Bore Diameter of Fittings

接管外径
Outside Diameter
of Pipe

承插孔径
Socket Bore Diameter

流通孔径
Bore Diameter of Fittings

接管外径
Outside Diameter
of Pipe

承插孔径
Socket Bore Diameter

流通孔径
Bore Diameter of Fittings

接管外径
Outside Diameter
of Pipe

承插孔径
Socket Bore Diameter

流通孔径
Bore Diameter of Fittings

A

B(in)

D

d1

d2

D

d1

d2

D

d1

d2

D

d1

d2

D

d1

d2

Sch
80

Sch
160

3000

6000

9000

sch80

sch
160

3000

6000

Sch
80

Sch
160

6
8
10

1/8
1/4
3/8

┅
┅
┅

┅
┅
┅

┅
┅
┅

┅
┅
┅

10.3
13.7
17.1

10.65
14.10
17.55

6.1
8.5
11.8

3.2
5.6
8.4

┅
┅
┅

10.5
13.8
17.3

11.0
14.3
17.8

7.1
9.4
12.7

┅
┅
┅

10
12
14

10.4
12.4
14.4

5
6
8

4
5
6

┅
┅
┅

┅
┅
┅

┅
┅
┅

┅
┅
┅

15
20
25

1/2
3/4
1

21.3
26.9
33.7

21.8
27.4
34.2

14.1
18.9
24.7

12.3
15.7
21.1

21.3
26.7
33.4

21.70
27.05
33.80

15.0
20.2
25.9

11.0
14.8
19.9

5.6
10.3
14.5

21.7
27.2
34.0

22.2
27.7
34.5

16.1
21.4
27.2

12.3
16.2
21.2

18
25
32

18.6
25.6
32.6

12
19
25

9
14
20

22
27
34

22.5
27.5
34.5

14.1
18.9
24.7

12.3
15.7
21.1

32
40
50

11/4
11/2
2

42.4
48.3
60.3

42.9
48.8
61.1

32.4
38.3
49.1

29.8
31.4
42.7

42.2
48.3
60.3

42.55
48.65
61.10

34.3
40.1
51.7

28.7
33.2
42.1

22.0
27.2
37.4

42.7
48.6
60.5

43.2
49.1
61.1

35.5
41.2
52.7

29.9
34.4
43.1

38
45
57

38.6
45.6
57.8

31
37
46

26
31
40

42
48
60

42.7
48.8
60.8

32.4
38.3
49.1

29.8
34.1
42.7

65
80
100

21/2
3
4

76.1
88.9
┅

76.9
89.8
┅

61.9
72.9
┅

56.1
66.9
┅

73.0
88.9
114.3

73.80
89.80
115.45

61.2
76.4
100.7

┅
┅
┅

┅
┅
┅

76.3
89.0
┅

77.1
90.0
┅

65.9
78.1
┅

57.3
66.9
┅

76
89
108

76.8
89.8
109.2

62
74
91

57
67
┅

76
89
┅

77.0
90.1
┅

61.9
72.9
┅

56.1
66.9
┅