承插焊法兰
承插焊法兰是一种用于管道系统连接的部件，通过将管子端部插入法兰环阶梯内，并在管端及外侧进行焊接来实现管道的连接。
技术参数
|
GB9119，2-88 |
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|
in |
公称通径 |
16kg = 1.6MPa |
||||
|
法兰外径 |
螺栓孔距 |
螺栓直径 |
螺栓孔数 |
法兰厚度 |
||
|
3/8 |
DN 10 |
90 |
60 |
14 |
4 |
14 |
|
1/2 |
DN 15 |
95 |
65 |
14 |
4 |
14 |
|
3/4 |
DN 20 |
105 |
75 |
14 |
4 |
16 |
|
1 |
DN 25 |
115 |
85 |
14 |
4 |
16 |
|
1 1/4 |
DN 32 |
140 |
100 |
18 |
4 |
18 |
|
1 1/2 |
DN 40 |
150 |
110 |
18 |
4 |
18 |
|
2 |
DN 50 |
165 |
125 |
18 |
4 |
20 |
|
21/2 |
DN 65 |
185 |
145 |
18 |
4 |
20 |
|
3 |
DN 80 |
200 |
160 |
18 |
8 |
20 |
|
3 1/2 |
DN 100 |
220 |
180 |
18 |
8 |
22 |
|
4 |
DN 125 |
250 |
210 |
18 |
8 |
22 |
|
5 |
DN 150 |
285 |
240 |
22 |
8 |
24 |
|
6 |
DN 200 |
340 |
295 |
22 |
8 |
26 |
|
8 |
DN 250 |
405 |
355 |
26 |
12 |
29 |
|
10 |
DN 300 |
460 |
410 |
26 |
12 |
32 |
|
12 |
DN 350 |
520 |
470 |
26 |
16 |
35 |
|
14 |
DN 400 |
580 |
525 |
30 |
16 |
38 |
|
16 |
DN 450 |
640 |
585 |
30 |
20 |
42 |
|
18 |
DN 500 |
715 |
650 |
33 |
20 |
46 |
|
20 |
DN 600 |
840 |
770 |
36 |
20 |
52 |
