采用兩種不同規(guī)格的波紋管組成(通常一種規(guī)格的平均直徑是另一種的1.4倍),主要用于吸收軸向位移并能平衡波紋管的壓力推力,其壓力推力由波紋管自身結(jié)構(gòu)件承受,管線固定支架僅考慮波紋管的彈性力及管道摩擦阻力。
直管壓力平衡式波紋膨脹節(jié)應(yīng)用范圍:
多用于不宜設(shè)置大推力固定支架的高物位直立管線或大直徑管線中。
公稱通徑 DN mm | 總波數(shù) n | n1/2n2 n1大管波數(shù) n2小管波數(shù) | 壓力等級Mpa | 徑向外形尺寸 mm | 壓力對應(yīng)的產(chǎn)品長度Lmm | |||||
0.25 | 0.6 | 接管J型 | 法蘭F型 | |||||||
軸向補(bǔ)償量mm | 軸向剛度N/mm | 0.25Mpa | 0.6Mpa | 0.25Mpa | 0.6Mpa | 0.25Mpa | 0.6Mpa | |||
600 | 12 | 4/8 | 82/1050 | 53/4410 | 1173 | 600 | 2000 | 2250 | 2024 | 2274 |
18 | 6/12 | 123/700 | 80/2940 | 2300 | 2600 | 2324 | 2624 | |||
24 | 8/16 | 165/525 | 106/2220 | 2700 | 2950 | 2724 | 2974 | |||
700 | 12 | 4/8 | 82/1347 | 54/4945 | 1331 | 700 | 2000 | 2250 | 2024 | 2274 |
18 | 6/12 | 123/898 | 80/3297 | 2300 | 2600 | 2324 | 2624 | |||
24 | 8/16 | 163/674 | 108/2473 | 2700 | 2950 | 2724 | 2974 | |||
800 | 12 | 4/8 | 98/1003 | 45/7228 | 1474 | 800 | 2000 | 2250 | 2024 | 2274 |
18 | 6/12 | 146/668 | 68/4819 | 2300 | 2600 | 2324 | 2624 | |||
24 | 8/16 | 195/501 | 90/3614 | 2700 | 2950 | 2724 | 2974 | |||
900 | 12 | 4/8 | 106/1075 | 55/4628 | 1634 | 900 | 2000 | 2250 | 2024 | 2274 |
18 | 6/12 | 159/716 | 83/3085 | 2300 | 2600 | 2324 | 2624 | |||
24 | 8/16 | 212/537 | 110/2314 | 2700 | 2950 | 2724 | 2974 | |||
1000 | 12 | 4/8 | 108/1136 | 54/5042 | 1808 | 1000 | 2000 | 2250 | 2024 | 2274 |
18 | 6/12 | 162/758 | 82/3362 | 2300 | 2600 | 2324 | 2624 | |||
24 | 8/16 | 215/568 | 108/2521 | 2700 | 2950 | 2724 | 2974 | |||
1100 | 12 | 4/8 | 102/1404 | 67/3880 | 2016 | 1986 | 2100 | 2440 | 2124 | 2464 |
18 | 6/12 | 154/936 | 100/2990 | 2450 | 2750 | 2474 | 2774 | |||
24 | 8/16 | 205/702 | 124/1940 | 2900 | 3110 | 2924 | 3134 | |||
1200 | 12 | 4/8 | 110/1246 | 60/5062 | 2170 | 2130 | 2100 | 2440 | 2124 | 2464 |
18 | 6/12 | 165/831 | 89/3375 | 2450 | 2750 | 2474 | 2774 | |||
24 | 8/16 | 220/623 | 120/2531 | 2900 | 3110 | 2924 | 3134 | |||
1300 | 12 | 4/8 | 116/1237 | 68/5475 | 2316 | 2266 | 2100 | 2450 | 2124 | 2464 |
18 | 6/12 | 174/824 | 102/3650 | 2450 | 2840 | 2474 | 2774 | |||
24 | 8/16 | 232/618 | 136/2738 | 2900 | 3230 | 2924 | 3134 | |||
1400 | 12 | 4/8 | 115/1295 | 68/5722 | 2430 | 2380 | 2100 | 2460 | 2124 | 2464 |
18 | 6/12 | 172/863 | 102/3815 | 2450 | 2850 | 2474 | 2774 | |||
24 | 8/16 | 230/647 | 136/2861 | 2900 | 3240 | 2924 | 3134 | |||
1500 | 12 | 4/8 | 105/1772 | 46/8695 | 2576 | 2530 | 2100 | 2460 | 2124 | 2464 |
18 | 6/12 | 158/1132 | 69/5730 | 2450 | 2850 | 2474 | 2774 | |||
24 | 8/16 | 211/886 | 92/4298 | 2900 | 3240 | 2924 | 3134 |