锻制螺纹三通和四通的尺寸-ASME B16.11
锻制螺纹三通和四通的尺寸-ASME B16.11

Class2000
|
NPS |
Minimum Length of Thread |
Outside Dia of Band |
Center to End |
Minimum WT |
|
|
B |
J |
D |
A |
||
|
1/2 |
10.9 |
13.6 |
33 |
28 |
3.18 |
|
3/4 |
12.7 |
13.9 |
38 |
33 |
3.18 |
|
1 |
14.7 |
17.3 |
46 |
38 |
3.68 |
|
1.1/4 |
17 |
18 |
56 |
44 |
3.89 |
|
1.1/2 |
17.8 |
18.4 |
62 |
51 |
4.01 |
|
2 |
19 |
19.2 |
75 |
60 |
4.27 |
|
2.1/2 |
23.6 |
28.9 |
92 |
76 |
5.61 |
|
3 |
25.9 |
30.5 |
109 |
86 |
5.99 |
|
4 |
27.7 |
33 |
146 |
106 |
6.55 |

Class3000
|
NPS |
Minimum Length of Thread |
Outside Dia of Band |
Center to End |
Minimum WT |
|
|
B |
J |
D |
A |
||
|
1/2 |
10.9 |
13.6 |
38 |
33 |
4.09 |
|
3/4 |
12.7 |
13.9 |
46 |
38 |
4.32 |
|
1 |
14.7 |
17.3 |
56 |
44 |
4.98 |
|
1.1/4 |
17 |
18 |
62 |
51 |
5.28 |
|
1.1/2 |
17.8 |
18.4 |
75 |
60 |
5.56 |
|
2 |
19 |
19.2 |
84 |
64 |
7.14 |
|
2.1/2 |
23.6 |
28.9 |
102 |
83 |
7.65 |
|
3 |
25.9 |
30.5 |
121 |
95 |
8.84 |
|
4 |
27.7 |
33 |
152 |
114 |
11.18 |

Class6000
|
NPS |
Minimum Length of Thread |
Outside Dia of Band |
Center to End |
Minimum WT |
|
|
B |
J |
D |
A |
||
|
1/2 |
10.9 |
13.6 |
46 |
38 |
8.15 |
|
3/4 |
12.7 |
13.9 |
56 |
44 |
8.53 |
|
1 |
14.7 |
17.3 |
62 |
51 |
9.93 |
|
1.1/4 |
17 |
18 |
75 |
60 |
10.59 |
|
1.1/2 |
17.8 |
18.4 |
84 |
64 |
11.07 |
|
2 |
19 |
19.2 |
102 |
83 |
12.09 |
|
2.1/2 |
23.6 |
28.9 |
121 |
95 |
15.29 |
|
3 |
25.9 |
30.5 |
146 |
106 |
16.64 |
|
4 |
27.7 |
33 |
152 |
114 |
18.67 |
B是最小完整螺纹长度。