无约束型补偿器内的波纹管采用单层、双层或多层U型波，波纹管和导流套材料为1Cr18Ni9Ti等奥 氏体不锈钢，其它材料为低碳钢或低合金钢。无约束型补偿器在固定支架间距的确定和固定支座推力计算等和普通的轴向型补偿器完全相同。无约束膨胀节除了取消 予拉伸工作外，还大大地宽松了安装要求。无约束膨胀节可象一段短管一样安装于管道中，不必按其它轴向型膨胀节通常要求的全线钢管接好后再割下和膨胀节等长 管道的方法。还由于无约束膨胀坚固的外壳，也方便了运输，安装和保温。
公称通径mm | 波数 | 轴向补偿量mm/轴向刚度N/mm | 有效面积cm2 | 接管尺寸 | 产品长度mm | |||
0.6Mpa | 1.0Mpa | 1.6Mpa | 2.5Mpa | |||||
100 | 6 | 34/277 | 33/417 | 33/417 | 32/817 | 121 | ф108×4 | 410 |
10 | 56/166 | 56/250 | 54/250 | 50/409 | 492 | |||
20 | 112/83 | 112/125 | 108/125 | 100/205 | 712 | |||
125 | 5 | 36/272 | 36/408 | 35/408 | 33/801 | 180 | ф133×4 | 410 |
9 | 65/151 | 65/227 | 63/227 | 60/401 | 412 | |||
18 | 130/76 | 130/114 | 126/114 | 120/201 | 711 | |||
150 | 5 | 49/200 | 48/300 | 45/456 | 44/845 | 257 | ф159×4.5 | 433 |
8 | 78/125 | 77/188 | 71/286 | 65/423 | 518 | |||
16 | 156/63 | 154/94 | 142/143 | 130/211 | 756 | |||
200 | 4 | 56/193 | 56/288 | 56/480 | 55/800 | 479 | ф219×6 | 475 |
6 | 85/128 | 85/192 | 84/320 | 80/927 | 533 | |||
12 | 170/64 | 170/96 | 168/160 | 160/200 | 800 | |||
250 | 4 | 74/343 | 63/588 | 53/930 | 50/1856 | 769 | ф273×8 | 500 |
6 | 110/228 | 95/392 | 80/620 | 78/927 | 620 | |||
12 | 220/114 | 190/196 | 160/310 | 156/464 | 984 | |||
300 | 4 | 72/503 | 65/830 | 57/1253 | 54/2142 | 1105 | ф325×8 | 584 |
6 | 109/335 | 97/553 | 85/835 | 80/1071 | 713 | |||
12 | 218/168 | 194/277 | 170/418 | 160/536 | 1116 | |||
350 | 4 | 78/523 | 72/840 | 64/1265 | 62/2684 | 1307 | ф377×10 | 614 |
6 | 117/348 | 107/560 | 97/843 | 90/1342 | 759 | |||
12 | 234/174 | 241/218 | 194/442 | 180/671 | 1216 | |||
400 | 4 | 73/458 | 70/918 | 65/1373 | 63/3675 | 1611 | ф426×10 | 625 |
6 | 109/305 | 102/612 | 97/915 | 90/1838 | 771 | |||
12 | 218/153 | 204/306 | 194/458 | 180/920 | 1225 | |||
450 | 4 | 96/405 | 82/690 | 69/2305 | 65/4350 | 1972 | ф478×10 | 620 |
6 | 144/270 | 124/460 | 103/1537 | 90/2175 | 762 | |||
12 | 288/135 | 248/230 | 206/769 | 180/1087 | 1200 | |||
500 | 4 | 100/423 | 84/728 | 70/2452 | 65/4256 | 2445 | ф529×10 | 624 |
6 | 149/282 | 126/485 | 105/1635 | 90/2128 | 766 | |||
12 | 298/141 | 252/243 | 210/818 | 180/1064 | 1216 | |||
600 | 4 | 121/530 | 86/1468 | 99/1740 | 95/2842 | 3534 | ф630×10 | 676 |
6 | 181/353 | 148/978 | 140/1160 | 120/1420 | 848 | |||
12 | 362/177 | 358/489 | 280/580 | 240/710 | 1382 | |||
700 | 4 | 126/573 | 87/1625 | 85/2972 | 84/4100 | 4717 | ф720×10 | 708 |
6 | 188/382 | 168/1083 | 131/1982 | 120/2050 | 882 | |||
12 | 376/191 | 336/542 | 262/991 | 240/11025 | 1422 | |||
800 | 4 | 126/620 | 84/1778 | 85/3183 | 84/6234 | 5822 | ф820×10 | 724 |
8 | 252/310 | 168/889 | 170/1591 | 168/3117 | 1071 | |||
12 | 378/207 | 252/596 | 241/1061 | 236/1558 | 1538 | |||
900 | 4 | 149/758 | 118/1329 | 117/2575 | 7620 | ф920×10 | 792 | |
8 | 298/379 | 236/664 | 234/1288 | 1211 | ||||
12 | 447/253 | 351/443 | 354/825 | 1650 | ||||
1000 | 4 | 140/845 | 115/2770 | 90/5038 | 9043 | ф1020×10 | 800 | |
8 | 280/423 | 230/1385 | 180/2519 | 1200 | ||||
12 | 420/282 | 345/923 | 270/1679 | 1616 | ||||
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