整体式绝缘接头由下面各零件组成:上、下管、套筒、绝缘件、密封件、绝缘涂层。在绝缘接头的上、下管对接端面件,夹有绝缘件 |
和密封件,形成具有绝缘性能的双密封结构。套筒采用坡口焊接或与上导管直接焊接两种形式,将绝缘件和上、下管牢固封裹在里 |
面,形成“密封容器”,从而既保证了良好的绝缘效果,又大大提高了绝缘结构的承压能力。 |
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三、型号说明 |
四、绝缘接头规格及外形尺寸 |
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五、绝缘接头参数表 |
PN25压力等级绝缘接头 |
型号 Type |
规格 Specification |
A |
B |
L |
钢管材质 Steel pipe material |
DN25-25 |
DN25 |
34 |
4 |
250 |
钢管(Steel Pipe) 20 GB/T8163
|
DN25B-25 |
32 |
4 |
250 |
DN40-25 |
DN40 |
48 |
4 |
300 |
DN50-25 |
DN50 |
60 |
4 |
350 |
DN50B-25 |
57 |
4 |
350 |
DN65-25 |
DN65 |
76 |
5 |
350 |
DN80-25 |
DN80 |
89 |
5 |
400 |
DN100-25 |
DN100 |
114 |
5 |
400 |
DN100B-25 |
108 |
5 |
400 |
DN125-25 |
DN125 |
140 |
6 |
500 |
DN125B-25 |
133 |
6 |
500 |
DN150-25 |
DN150 |
168 |
7 |
500 |
DN150B-25 |
159 |
7 |
500 |
DN200-25 |
DN200 |
219 |
7 |
500 |
DN250-25 |
DN250 |
273 |
8 |
800 |
DN300-25 |
DN300 |
325 |
8 |
800 |
DN350-25 |
DN350 |
356 |
8 |
900 |
DN350B-25 |
377 |
8 |
900 |
DN400-25 |
DN400 |
406 |
8 |
900 |
钢管(Steel Pipe) 16MnR GB6654 |
DN400B-25 |
426 |
8 |
900 |
DN450-25 |
DN450 |
457 |
8 |
900 |
DN450B-25 |
480 |
8 |
900 |
DN500-25 |
DN500 |
508 |
10 |
900 |
DN500B-25 |
530 |
10 |
900 |
DN600-25 |
DN600 |
610 |
10 |
1000 |
DN600B-25 |
630 |
10 |
1000 |
DN700-25 |
DN700 |
711 |
10 |
1200 |
DN700B-25 |
720 |
10 |
1200 |
DN800-25 |
DN800 |
813 |
12 |
1300 |
DN800B-25 |
820 |
12 |
1300 | |
|
PN40压力等级绝缘接头 |
型号 Type |
规格 Specification |
A |
B |
L |
钢管材质 Steel pipe material |
DN25-40 |
DN25 |
34 |
4 |
250 |
钢管(Steel Pipe) 20 GB/T8163 |
DN25B-40 |
32 |
4 |
250 |
DN40-40 |
DN40 |
48 |
4 |
300 |
DN50-40 |
DN50 |
60 |
4 |
350 |
DN50B-40 |
57 |
4 |
350 |
DN65-40 |
DN65 |
76 |
5 |
350 |
DN80-40 |
DN80 |
89 |
5 |
400 |
DN100-40 |
DN100 |
114 |
5 |
400 |
DN100B-40 |
108 |
5 |
400 |
DN125-40 |
DN125 |
140 |
6 |
500 |
DN125B-40 |
133 |
6 |
500 |
DN150-40 |
DN150 |
168 |
7 |
500 |
DN150B-40 |
159 |
7 |
500 |
DN200-40 |
DN200 |
219 |
7 |
500 |
DN250-40 |
DN250 |
273 |
8 |
800 |
DN300-40 |
DN300 |
325 |
10 |
800 |
DN350-40 |
DN350 |
356 |
12 |
900 |
DN350B-40 |
377 |
12 |
900 |
DN400-40 |
DN400 |
406 |
10 |
900 |
钢板(Steel Plate) 16MnR |
DN400B-40 |
426 |
10 |
900 |
DN450-40 |
DN450 |
457 |
10 |
900 |
DN450B-40 |
480 |
10 |
900 |
DN500-40 |
DN500 |
508 |
12 |
900 |
DN500B-40 |
530 |
12 |
900 |
DN600-40 |
DN600 |
610 |
14 |
1000 |
DN600B-40 |
630 |
14 |
1000 |
DN700-40 |
DN700 |
711 |
14 |
1200 |
DN700B-40 |
720 |
14 |
1200 |
DN800-40 |
DN800 |
813 |
16 |
1300 |
DN800B-40 |
820 |
16 |
1300 | |
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