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公称通径
外径Dmin
壁厚Cmin
承插孔径d1
流通孔径d2
承插孔深Jmin
公称装配长度L
A
B
承插焊
螺纹
承插焊
螺纹
承插焊
承插焊、螺纹
承插焊
承插焊、螺纹
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
14.1
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
27.8
4.1
3.8
21.7
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
33.8
27.74
13
62.0
32
1.1/4
54.9
50.5
5.3
4.9
42.55
35.36
13
71.1
40
1.1/2
61.5
57.2
5.6
5.1
48.65
41.2
13
76.5
50
2
75.2
70.1
6.1
5.6
61.1
52.12
16
86.1
65
2.1/2
91.7
85.3
7.7
7.1
73.8
64.31
16
102.4
80
3
109.2
102.4
8.4
7.7
89.8
77.27
16
109.0