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螺纹管件——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 DN |
螺纹尺寸代号 NPT |
中心至端面 A |
端部外径 H① |
本体壁厚 Gmin |
完整螺 纹长度 L5min |
有效螺 纹长度 L2min |
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90°弯头、三通、四通 |
45°弯头 |
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2000 |
3000 |
6000 |
2000 |
3000 |
6000 |
2000 |
3000 |
6000 |
2000 |
3000 |
6000 |
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6 |
1/8 |
21 |
21 |
25 |
17 |
17 |
19 |
22 |
22 |
25 |
3.18 |
3.18 |
6.35 |
6.4 |
6.7 |
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8 |
1/4 |
21 |
25 |
28 |
17 |
19 |
22 |
22 |
25 |
33 |
3.18 |
3.30 |
6.60 |
8.1 |
10.2 |
|
10 |
3/8 |
25 |
28 |
33 |
19 |
22 |
25 |
25 |
33 |
38 |
3.18 |
3.51 |
6.98 |
9.1 |
10.4 |
|
15 |
1/2 |
28 |
33 |
38 |
22 |
25 |
28 |
33 |
38 |
46 |
3.18 |
4.09 |
8.15 |
10.9 |
13.6 |
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20 |
3/4 |
33 |
38 |
44 |
25 |
28 |
33 |
38 |
46 |
56 |
3.18 |
4.32 |
8.53 |
12.7 |
13.9 |
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25 |
1 |
38 |
44 |
51 |
28 |
33 |
35 |
46 |
56 |
62 |
3.68 |
4.98 |
9.93 |
14.7 |
17.3 |
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32 |
11/4 |
44 |
51 |
60 |
33 |
35 |
43 |
56 |
62 |
75 |
3.89 |
5.28 |
10.59 |
17.0 |
18.0 |
|
40 |
11/2 |
51 |
60 |
64 |
35 |
43 |
44 |
62 |
75 |
84 |
4.01 |
5.56 |
11.07 |
17.8 |
18.4 |
|
50 |
2 |
60 |
64 |
83 |
43 |
44 |
52 |
75 |
84 |
102 |
4.27 |
7.14 |
12.09 |
19.0 |
19.2 |
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65 |
21/2 |
76 |
83 |
95 |
52 |
52 |
64 |
92 |
102 |
121 |
5.61 |
7.65 |
15.29 |
23.6 |
28.9 |
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80 |
3 |
86 |
95 |
106 |
64 |
64 |
79 |
109 |
121 |
146 |
5.99 |
8.84 |
16.64 |
25.9 |
30.5 |
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100 |
4 |
106 |
114 |
114 |
79 |
79 |
79 |
146 |
152 |
152 |
6.55 |
11.18 |
18.67 |
27.7 |
33.0 |
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① 当DN65(NPS2½)的管件配管选用Ⅱ系列的管子时,管件的端部外径应大于表中规定尺寸,以满足端部凸缘处的壁厚要求,其余尺寸应符合本标准规定。 |
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