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| 支管座的壁厚等级(或压力等级)与主管壁厚等级的关系 |
| 支管等级 |
连接形式 |
支管公称通径 |
主管壁厚等级 |
| Standard |
对焊 |
NPS1/8-24 |
Standard |
| Extra Strong |
对焊 |
NPS1/8-24 |
Extra Strong |
| Schedule 160 |
对焊 |
NPS1/2-6 |
Schedule 160 |
| 3000 |
螺纹&承插焊 |
NPS1/8-4 |
Extra Strong |
| 6000 |
螺纹&承插焊 |
NPS1/2-2 |
Schedule 160 |
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对焊支管台
| 主管公称通径 |
支管公称通径 |
管体高度 |
管座外径 |
| DN |
NPS |
DN |
NPS |
A |
D1 min |
| STD |
XS |
SCH160 |
STD |
XS |
SCH160 |
| 8-900 |
1/4-36 |
6 |
1/8 |
16 |
16 |
- |
24 |
24 |
- |
| 10-900 |
3/8-36 |
8 |
1/4 |
16 |
16 |
- |
26 |
26 |
- |
| 15-900 |
1/2-36 |
10 |
3/8 |
19 |
19 |
- |
30 |
30 |
- |
| 20-900 |
3/4-36 |
15 |
1/2 |
19 |
19 |
28 |
36 |
36 |
36 |
| 25-900 |
1-36 |
20 |
3/4 |
22 |
22 |
32 |
43 |
43 |
46 |
| 32-900 |
1 1/4-36 |
25 |
1 |
27 |
27 |
38 |
55 |
55 |
51 |
| 40-900 |
1 1/2-36 |
32 |
1 1/4 |
32 |
32 |
44 |
66 |
66 |
63 |
| 50-900 |
2-36 |
40 |
1 1/2 |
33 |
33 |
51 |
74 |
74 |
71 |
| 65-900 |
2 1/2-36 |
50 |
2 |
38 |
38 |
55 |
90 |
90 |
82 |
| 80-900 |
3-36 |
65 |
2 1/2 |
41 |
41 |
62 |
104 |
104 |
98 |
| 90-900 |
3 1/2-36 |
80 |
3 |
44 |
44 |
73 |
124 |
124 |
122 |
| 100-900 |
4-36 |
90 |
3 1/2 |
48 |
48 |
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138 |
138 |
- |
| 125-900 |
5-36 |
100 |
4 |
51 |
51 |
84 |
154 |
154 |
154 |
| 150-900 |
6-36 |
125 |
5 |
57 |
57 |
94 |
187 |
187 |
188 |
| 200-900 |
8-36 |
150 |
6 |
60 |
78 |
105 |
213 |
227 |
222 |
| 250-900 |
10-36 |
200 |
8 |
70 |
99 |
- |
265 |
292 |
- |
| 300-900 |
12-36 |
250 |
10 |
78 |
94 |
- |
323 |
325 |
- |
| 350-900 |
14-36 |
300 |
12 |
86 |
103 |
- |
379 |
381 |
- |
| 400-900 |
16-36 |
350 |
14 |
89 |
100 |
- |
411 |
415 |
- |
| 450-900 |
18-36 |
400 |
16 |
94 |
106 |
- |
465 |
468 |
- |
| 500-900 |
20-36 |
450 |
18 |
97 |
111 |
- |
522 |
525 |
- |
| 550-900 |
22-36 |
500 |
20 |
102 |
119 |
- |
573 |
584 |
- |
| 650-900 |
26-36 |
600 |
24 |
116 |
140 |
- |
690 |
708 |
- |
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承插焊支管台
| 主管公称通径 |
支管公称通径 |
管体高度 |
管体外径 |
端部外径 |
| DN |
NPS |
DN |
NPS |
A |
D1 min |
D2 min |
| 3000 |
6000 |
3000 |
6000 |
3000 |
6000 |
| 8-900 |
1/4-36 |
6 |
1/8 |
20 |
- |
27 |
- |
22 |
- |
| 10-900 |
3/8-36 |
8 |
1/4 |
20 |
- |
27 |
- |
22 |
- |
| 15-900 |
1/2-36 |
10 |
3/8 |
23 |
- |
30 |
- |
26 |
- |
| 20-900 |
3/4-36 |
15 |
1/2 |
26 |
34 |
36 |
47 |
33 |
42 |
| 25-900 |
1-36 |
20 |
3/4 |
29 |
38 |
43 |
53 |
39 |
48 |
| 32-900 |
1 1/4-36 |
25 |
1 |
35 |
42 |
55 |
63 |
48 |
58 |
| 40-900 |
1 1/2-36 |
32 |
1 1/4 |
35 |
43 |
66 |
74 |
58 |
67 |
| 50-900 |
2-36 |
40 |
1 1/2 |
37 |
45 |
75 |
83 |
64 |
77 |
| 65-900 |
2 1/2-36 |
50 |
2 |
40 |
53 |
90 |
104 |
77 |
93 |
| 80-900 |
3-36 |
65 |
2 1/2 |
41 |
- |
105 |
- |
94 |
- |
| 90-900 |
3 1/2-36 |
80 |
3 |
46 |
- |
124 |
- |
114 |
- |
| 125-900 |
5-36 |
100 |
4 |
49 |
- |
154 |
- |
140 |
- |
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螺纹支管台
| 主管公称通径 |
支管公称通径 |
管体高度 |
管体外径 |
端面外径 |
| DN |
NPS |
DN |
NPS |
A |
D1 min |
D2 min |
| 3000 |
6000 |
3000 |
6000 |
3000 |
6000 |
| 8-900 |
1/4-36 |
6 |
1/8 |
19 |
- |
27 |
- |
22 |
- |
| 10-900 |
3/8-36 |
8 |
1/4 |
19 |
- |
27 |
- |
22 |
- |
| 15-900 |
1/2-36 |
10 |
3/8 |
21 |
- |
30 |
- |
25 |
- |
| 20-900 |
3/4-36 |
15 |
1/2 |
25 |
32 |
38 |
45 |
33 |
42 |
| 25-900 |
1-36 |
20 |
3/4 |
27 |
37 |
47 |
52 |
39 |
48 |
| 32-900 |
1 1/4-36 |
25 |
1 |
33 |
40 |
56 |
63 |
48 |
58 |
| 40-900 |
1 1/2-36 |
32 |
1 1/4 |
33 |
41 |
66 |
72 |
58 |
67 |
| 50-900 |
2-36 |
40 |
1 1/2 |
35 |
43 |
75 |
83 |
64 |
77 |
| 65-900 |
2 1/2-36 |
50 |
2 |
38 |
52 |
90 |
104 |
77 |
93 |
| 80-900 |
3-36 |
65 |
2 1/2 |
46 |
- |
105 |
- |
94 |
- |
| 90-900 |
3 1/2-36 |
80 |
3 |
51 |
- |
124 |
- |
114 |
- |
| 125-900 |
5-36 |
100 |
4 |
57 |
- |
154 |
- |
140 |
- |
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