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承插焊管件——45°弯头、90°弯头、三通和四通尺寸(GB/T 14383—2008) mm |
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公称尺寸 |
承插 孔径 B① |
流通孔径D① |
承插孔壁厚C② |
本体壁厚Gmin |
承插孔 深度 Jmin |
中心至承插孔底A |
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DN |
NPS |
3000 |
6000 |
9000 |
3000 |
6000 |
9000 |
3000 |
6000 |
9000 |
90°弯头、三通、四通 |
45°弯头 |
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|
ave |
min |
ave |
min |
ave |
min |
3000 |
6000 |
9000 |
3000 |
6000 |
9000 |
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6 |
1/8 |
10.9 |
6.1 |
3.2 |
— |
3.18 |
3.18 |
3.96 |
3.43 |
— |
— |
2.41 |
3.15 |
— |
9.5 |
11.0 |
11.0 |
— |
8.0 |
8.0 |
— |
|
8 |
1/4 |
14.3 |
8.5 |
5.6 |
— |
3.78 |
3.30 |
4.60 |
4.01 |
— |
— |
3.02 |
3.68 |
— |
9.5 |
11.0 |
13.5 |
— |
8.0 |
8.0 |
— |
|
10 |
3/8 |
17.7 |
11.8 |
8.4 |
— |
4.01 |
3.50 |
5.03 |
4.37 |
— |
— |
3.20 |
4.01 |
— |
9.5 |
13.5 |
15.5 |
— |
8.0 |
11.0 |
— |
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15 |
1/2 |
21.9 |
15.0 |
11.0 |
5.6 |
4.67 |
4.09 |
5.97 |
5.18 |
9.53 |
8.18 |
3.73 |
4.78 |
7.47 |
9.5 |
15.5 |
19.0 |
25.5 |
11.0 |
12.5 |
15.5 |
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20 |
3/4 |
27.3 |
20.2 |
14.8 |
10.3 |
4.90 |
4.27 |
6.96 |
6.04 |
9.78 |
8.56 |
3.91 |
5.56 |
7.82 |
12.5 |
19.0 |
22.5 |
28.5 |
13.0 |
14.0 |
19.0 |
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25 |
1 |
34.0 |
25.9 |
19.9 |
14.4 |
5.69 |
4.98 |
7.92 |
6.93 |
11.38 |
9.96 |
4.55 |
6.35 |
9.09 |
12.5 |
22.5 |
27.0 |
32.0 |
14.0 |
17.5 |
20.5 |
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32 |
1¼ |
42.8 |
34.3 |
28.7 |
22.0 |
6.07 |
5.28 |
7.92 |
6.93 |
12.14 |
10.62 |
4.85 |
6.35 |
9.70 |
12.5 |
27.0 |
32.0 |
35.0 |
17.5 |
20.5 |
22.5 |
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40 |
1½ |
48.9 |
40.1 |
33.2 |
27.2 |
6.35 |
5.54 |
8.92 |
7.80 |
12.70 |
11.12 |
5.08 |
7.14 |
10.15 |
12.5 |
32.0 |
38.0 |
38.0 |
20.5 |
25.5 |
25.5 |
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50 |
2 |
61.2 |
51.7 |
42.1 |
37.4 |
6.93 |
6.04 |
10.92 |
9.50 |
13.84 |
12.12 |
5.54 |
8.74 |
11.07 |
16.0 |
38.0 |
41.0 |
54.0 |
25.5 |
28.5 |
28.5 |
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65 |
2½ |
73.9 |
61.2 |
— |
— |
8.76 |
7.62 |
— |
— |
— |
— |
7.01 |
— |
— |
16.0 |
41.0 |
— |
— |
28.5 |
— |
— |
|
80 |
3 |
89.9 |
76.4 |
— |
— |
9.52 |
8.30 |
— |
— |
— |
— |
7.62 |
— |
— |
16.0 |
57.0 |
— |
— |
32.0 |
— |
— |
|
100 |
4 |
115.5 |
100.7 |
— |
— |
10.69 |
9.35 |
— |
— |
— |
— |
8.56 |
— |
— |
19.0 |
66.5 |
— |
— |
41.0 |
— |
— |
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注:① 当选用Ⅱ系列的管子时,其承插孔径和流通孔径应按Ⅱ系列管子尺寸配制,其余尺寸应符合本标准规定。 ② 沿承插孔周边的平均壁厚不应小于平均值,局部允许达到最小值。 |
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