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异径管接头
产品介绍:
异径管接头外观不应有裂纹、重皮,壁厚应大于大径端管段的壁厚。异径管的圆度不应大于相应端外径的1%,且允许偏差为±3mm;同心异径管两端中心线应重合,其偏心值允许偏差为±5mm。异径管尺寸允许偏差应符合表4.2.2-3的规定。
大小头(异径接头)尺寸mm(GB12459 GB/T13401) (SH3408 SH3409)
公称通径 | 端部外径 | 背面至端面尺寸 | 长度L | |||
A系列 | B系列 | A系列 | B系列 | |||
25*20 | 33.7 | 32 | 26.9 | 25 | 51 | |
25*15 | 33.7 | 32 | 21.3 | 18 | ||
32*25 | 42.4 | 38 | 33.7 | 32 | 51 | |
32*25 | 42.4 | 38 | 26.9 | 25 | ||
32*15 | 42.4 | 38 | 21.3 | 18 | ||
40*32 | 48.3 | 45 | 42.4 | 38 | 64 | |
40*25 | 48.3 | 45 | 33.7 | 32 | ||
40*20 | 48.3 | 45 | 26.9 | 25 | ||
50*40 | 60.3 | 57 | 48.3 | 45 | 76 | |
50*32 | 60.3 | 57 | 42.4 | 38 | ||
50*25 | 60.3 | 57 | 33.7 | 32 | ||
65*50 | 76.1 | 76 | 60.3 | 57 | 89 | |
65*40 | 76.1 | 76 | 48.3 | 45 | ||
65*32 | 76.1 | 76 | 42.4 | 38 | ||
80*65 | 88.9 | 89 | 76.1 | 76 | 89 | |
8050 | 88.9 | 89 | 60.3 | 57 | ||
80*40 | 88.9 | 89 | 48.3 | 45 | ||
100*80 | 88.9 | 108 | 88.9 | 89 | 102 | |
100*65 | 114.3 | 108 | 76.1 | 76 | ||
100*50 | 114.3 | 108 | 60.3 | 57 | ||
125*100 | 114.3 | 133 | 114.9 | 108 | 127 | |
125*80 | 139.7 | 133 | 88.9 | 89 | ||
125*60 | 139.7 | 133 | 76.1 | 76 | ||
150*125 | 139.7 | 159 | 39.1 | 133 | 140 | |
150*100 | 168.3 | 159 | 114.3 | 108 | ||
150*80 | 168.3 | 159 | 88.9 | 89 | ||
200*150 | 168.3 | 219 | 168.3 | 159 | 152 | |
200*125 | 219.1 | 219 | 139.7 | 133 | ||
200*100 | 219.1 | 219 | 114.3 | 108 | ||
250*200 | 219.1 | 273 |
219.1 |
219 |
178 | |
250*125 | 273 | 273 | 168.3 | 159 | ||
250*150 | 273 | 273 | 139.7 | 133 | ||
300*250 | 273 | 325 | 273 | 273 | 203 | |
300*200 | 323.9 | 325 | 219.1 | 219 | ||
300*150 | 323.9 | 325 | 168.3 | 159 | ||
350*300 | 323.9 | 377 | 323.9 | 325 | 330 | |
350*250 | 355.6 | 377 | 273 | 273 | ||
350*200 | 355.6 | 377 | 219.1 | 219 | ||
400*350 | 355.6 | 426 | 355.6 | 377 | 356 | |
400*300 | 406.4 | 426 | 32.9 | 325 | ||
400*250 | 406.4 | 426 | 273 | 273 | ||
450*400 | 406.4 | 478 | 406.4 | 426 | 381 | |
450*350 | 457.0 | 478 | 355.6 | 377 | ||
450*300 | 457.0 | 478 | 323.6 | 325 | ||
500*450 | 457.0 | 529 | 457.0 | 478 | 508 | |
500*400 | 508 | 529 | 406.4 | 426 | ||
500*350 | 508 | 529 | 355.6 | 377 |