專供鍋爐、石化用高壓無縫鋼管
電話:13102008542、022-26926620
專供鍋爐、石化用高壓無縫鋼管
電話:13102008542、022-26926620
一般小化肥裝置的高壓管道外徑系列和壁厚可按表1-2-15確定。
表1-2-15 高壓管子規(guī)格（H4-67）
|
公稱壓力
PN/Mpa |
公稱直徑
DN/mm |
規(guī)格
外徑x厚/
mm |
內徑/
mm |
外徑/mm |
壁厚/mm |
內徑/mm |
質量/
（kg/m） |
|||||
|
公差 |
最大 |
最小 |
公差 |
最大 |
最小 |
最大 |
最小 |
|||||
|
32.0 |
6 |
15x4.5
14x4 |
6 |
±0.5 |
15.4
14.5 |
14.6
13.5 |
﹢15%
-10% |
5.05
4.6 |
4.05
3.6 |
7.3
6.29 |
4.3
4.64 |
1.17
0.986 |
|
10 |
25x6
24x6 |
13
12 |
±0.5 |
25.4
24.5 |
24.6
23.5 |
﹢15%
-10% |
6.9 |
5.4 |
14.0
13.7 |
11.16
9.7 |
2.81
2.66 |
|
|
15 |
35x9 |
17 |
±0.5 |
35.5 |
34.5 |
﹢15%
-10% |
10.35 |
8.1 |
19.3 |
13.8 |
5.77 |
|
|
25 |
43x10 |
23 |
±0.5 |
43.5 |
42.5 |
﹢15%
-10% |
11.5 |
9 |
25.5 |
19.5 |
8.06 |
|
|
32 |
49x10 |
29 |
±0.5 |
49.5 |
48.5 |
﹢15%
-10% |
11.5 |
9 |
31.5 |
25.5 |
10.12 |
|
|
40 |
68x13 |
42 |
﹢1.5%
-1.0% |
69.02 |
67.32 |
﹢20%
-10% |
15.6 |
11.7 |
45.62 |
36.12 |
17.53 |
|
|
50 |
83x15 |
53 |
﹢1.5%
-1.0% |
84.24 |
82.17 |
﹢20%
-10% |
18.0 |
13.5 |
57.24 |
46.17 |
25.14 |
|
|
65 |
102x17 |
68 |
﹢2%
-1% |
104.04 |
100.98 |
﹢20%
-10% |
20.4 |
15.3 |
73.44 |
60.18 |
35.64 |
|
|
80 |
127x21 |
85 |
﹢2%
-1% |
129.54 |
125.73 |
﹢20%
-10% |
25.2 |
18.9 |
91.74 |
75.33 |
57.97 |
|
|
100 |
159x28 |
103 |
﹢2%
-1% |
162.18 |
157.41 |
﹢20%
-10% |
33.6 |
25.2 |
111.78 |
90.21 |
96.67 |
|
|
（125） |
168x28 |
112 |
﹢2%
-1% |
171.36 |
166.32 |
﹢20%
-10% |
33.6 |
25.2 |
120.96 |
99.12 |
104.96 |
|
|
125 |
180x30 |
120 |
﹢2%
-1% |
183.6 |
178.2 |
﹢20%
-10% |
36 |
27 |
129.6 |
106.2 |
121.33 |
|
|
150 |
219x35 |
149 |
﹢2%
-1% |
223.38 |
216.81 |
﹢20%
-10% |
42 |
31.5 |
160.38 |
132.81 |
158.88 |
|
|
200 |
273x40 |
193 |
﹢1.5%
-1.0% |
277.10 |
270.27 |
﹢20%
-10% |
46 |
36 |
205.10 |
178.27 |
229.00 |
|
