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广告链接
O形密封圈,其截面呈圆形,形状简单,制造容易,成本低廉,使用温度范围可从-60℃到200℃。使用不同材料的O形圈,大多可以满足各种介质和各种运动条件的要求。
O形圈有如下特点:
①密封部位结构简单,安装部位紧凑,质量较轻;
②有自密封作用,往往只用一个密封件便能完成密封,密封性能较好,用作静密封时几乎可以做到没有泄漏;
③用于往复运动时,在往复行程中密封性能不变,泄漏很小,只在速度较高时才有些泄漏;
④运动摩擦阻力很小,对于压力交变的场合也能适应;
⑤尺寸和沟槽已标准化,成本低,便于使用和外购。
一般应用的O形圈内径、截面直径尺寸和公差(G系列)(摘自GB/T3452.1-2005)
注:1.表中“×”表示包括的规格。
2.本表的单位是mm。
| d1|尺寸 | d1|公差 | 1.80±0.08 | 2.65±0.09 | 3.55±0.10 | 5.30±0.13 | 7.00±0.15 |
|---|---|---|---|---|---|---|
| 2.5 | ±0.13 | × | ||||
| 2.8 | ±0.13 | × | ||||
| 3.15 | ±0.14 | × | ||||
| 3.55 | ±0.14 | × | ||||
| 3.75 | ±0.14 | × | ||||
| 4 | ±0.14 | × | ||||
| 4.5 | ±0.15 | × | ||||
| 4.75 | ±0.15 | × | ||||
| 4.87 | ±0.15 | × | ||||
| 5 | ±0.15 | × | ||||
| 5.15 | ±0.15 | × | ||||
| 5.3 | ±0.15 | × | ||||
| 5.6 | ±0.16 | × | ||||
| 6 | ±0.16 | × | ||||
| 6.3 | ±0.16 | × | ||||
| 6.7 | ±0.16 | × | ||||
| 6.9 | ±0.16 | × | ||||
| 7.1 | ±0.16 | × | ||||
| 7.5 | ±0.17 | × | ||||
| 8 | ±0.17 | × | ||||
| 8.5 | ±0.17 | × | ||||
| 8.75 | ±0.18 | × | ||||
| 9 | ±0.18 | × | ||||
| 9.5 | ±0.18 | × | ||||
| 9.75 | ±0.18 | × | ||||
| 10 | ±0.19 | × | ||||
| 10.6 | ±0.19 | × | × | |||
| 11.2 | ±0.20 | × | × | |||
| 11.8 | ±0.20 | × | × | |||
| 12.1 | ±0.21 | × | × | |||
| 12.5 | ±0.21 | × | × | |||
| 12.8 | ±0.21 | × | × | |||
| 13.2 | ±0.21 | × | × | |||
| 14 | ±0.22 | × | × | |||
| 14.5 | ±0.22 | × | × | |||
| 15 | ±0.22 | × | × | |||
| 15.5 | ±0.23 | × | × | |||
| 16 | ±0.23 | × | × | |||
| 17 | ±0.24 | × | × | |||
| 18 | ±0.25 | × | × | × | ||
| 19 | ±0.25 | × | × | × | ||
| 20 | ±0.26 | × | × | × | ||
| 20.6 | ±0.26 | × | × | × | ||
| 21.2 | ±0.27 | × | × | × | ||
| 22.4 | ±0.28 | × | × | × | ||
| 23 | ±0.29 | × | × | × | ||
| 23.6 | ±0.29 | × | × | × | ||
| 24.3 | ±0.30 | × | × | × | ||
| 25 | ±0.30 | × | × | × | ||
| 25.8 | ±0.31 | × | × | × | ||
| 26.5 | ±0.31 | × | × | × | ||
| 27.3 | ±0.32 | × | × | × | ||
| 28 | ±0.32 | × | × | × | ||
| 29 | ±0.33 | × | × | × | ||
| 30 | ±0.34 | × | × | × | ||
| 31.5 | ±0.35 | × | × | × | ||
| 32.5 | ±0.36 | × | × | × | ||
| 33.5 | ±0.36 | × | × | × | ||
| 34.5 | ±0.37 | × | × | × | ||
| 35.5 | ±0.38 | × | × | × | ||
| 36.5 | ±0.38 | × | × | × | ||
| 37.5 | ±0.39 | × | × | × | ||
| 38.7 | ±0.40 | × | × | × | ||
| 40 | ±0.41 | × | × | × | × | |
| 41.2 | ±0.42 | × | × | × | × | |
| 42.5 | ±0.43 | × | × | × | × | |
| 43.7 | ±0.44 | × | × | × | × | |
| 45 | ±0.44 | × | × | × | × | |
| 46.2 | ±0.45 | × | × | × | × | |
| 47.5 | ±0.46 | × | × | × | × | |
| 48.7 | ±0.47 | × | × | × | × | |
| 50 | ±0.48 | × | × | × | × | |
| 51.5 | ±0.49 | × | × | × | ||
| 53 | ±0.50 | × | × | × | ||
| 54.5 | ±0.51 | × | × | × | ||
| 56 | ±0.52 | × | × | × | ||
| 58 | ±0.54 | × | × | × | ||
| 60 | ±0.55 | × | × | × | ||
| 61.5 | ±0.56 | × | × | × | ||
| 63 | ±0.57 | × | × | × | ||
| 65 | ±0.58 | × | × | × | ||
| 67 | ±0.60 | × | × | × | ||
| 69 | ±0.61 | × | × | × | ||
| 71 | ±0.63 | × | × | × | ||
| 73 | ±0.64 | × | × | × | ||
| 75 | ±0.65 | × | × | × | ||
| 77.5 | ±0.67 | × | × | × | ||
| 80 | ±0.69 | × | × | × | ||
| 82.5 | ±0.71 | × | × | × | ||
| 85 | ±0.72 | × | × | × | ||
| 87.5 | ±0.74 | × | × | × | ||
| 90 | ±0.76 | × | × | × | ||
| 92.5 | ±0.77 | × | × | × | ||
| 95 | ±0.79 | × | × | × | ||
| 97.5 | ±0.81 | × | × | × | ||
| 100 | ±0.82 | × | × | × | ||
| 103 | ±0.85 | × | × | × | ||
| 106 | ±0.87 | × | × | × | ||
| 109 | ±0.89 | × | × | × | × | |
| 112 | ±0.91 | × | × | × | × | |
| 115 | ±0.93 | × | × | × | × | |
| 118 | ±0.95 | × | × | × | × | |
| 122 | ±0.97 | × | × | × | × | |
| 125 | ±0.99 | × | × | × | × | |
| 128 | ±1.01 | × | × | × | × | |
| 132 | ±1.04 | × | × | × | × | |
| 136 | ±1.07 | × | × | × | × | |
| 140 | ±1.09 | × | × | × | × | |
| 142.5 | ±1.11 | × | × | × | × | |
| 145 | ±1.13 | × | × | × | × | |
| 147.5 | ±1.14 | × | × | × | × | |
| 150 | ±1.16 | × | × | × | × | |
| 152.5 | ±1.18 | × | × | × | ||
| 155 | ±1.19 | × | × | × | ||
| 157.5 | ±1.21 | × | × | × | ||
| 160 | ±1.23 | × | × | × | ||
| 162.5 | ±1.24 | × | × | × | ||
| 165 | ±1.26 | × | × | × | ||
| 167.5 | ±1.28 | × | × | × | ||
| 170 | ±1.29 | × | × | × | ||
| 172.5 | ±1.31 | × | × | × | ||
| 175 | ±1.33 | × | × | × | ||
| 177.5 | ±1.34 | × | × | × | ||
| 180 | ±1.36 | × | × | × | ||
| 182.5 | ±1.38 | × | × | × | ||
| 185 | ±1.39 | × | × | × | ||
| 187.5 | ±1.41 | × | × | × | ||
| 190 | ±1.43 | × | × | × | ||
| 195 | ±1.46 | × | × | × | ||
| 200 | ±1.49 | × | × | × | ||
| 203 | ±1.51 | × | × | |||
| 206 | ±1.53 | × | × | |||
| 212 | ±1.57 | × | × | |||
| 218 | ±1.61 | × | × | |||
| 224 | ±1.65 | × | × | |||
| 227 | ±1.67 | × | × | |||
| 230 | ±1.69 | × | × | |||
| 236 | ±1.73 | × | × | |||
| 239 | ±1.75 | × | × | |||
| 243 | ±1.77 | × | × | |||
| 250 | ±1.82 | × | × | |||
| 254 | ±1.84 | × | × | |||
| 258 | ±1.87 | × | × | |||
| 261 | ±1.89 | × | × | |||
| 265 | ±1.91 | × | × | |||
| 268 | ±1.92 | × | × | |||
| 272 | ±1.96 | × | × | |||
| 276 | ±1.98 | × | × | |||
| 280 | ±2.01 | × | × | |||
| 283 | ±2.03 | × | × | |||
| 286 | ±2.05 | × | × | |||
| 290 | ±2.08 | × | × | |||
| 295 | ±2.11 | × | × | |||
| 300 | ±2.14 | × | × | |||
| 303 | ±2.16 | × | × | |||
| 307 | ±2.19 | × | × | |||
| 311 | ±2.21 | × | × | |||
| 315 | ±2.24 | × | × | |||
| 320 | ±2.27 | × | × | |||
| 325 | ±2.30 | × | × | |||
| 330 | ±2.33 | × | × | |||
| 335 | ±2.36 | × | × | |||
| 340 | ±2.40 | × | × | |||
| 345 | ±2.43 | × | × | |||
| 350 | ±2.46 | × | × | |||
| 355 | ±2.49 | × | × | |||
| 360 | ±2.52 | × | × | |||
| 365 | ±2.56 | × | × | |||
| 370 | ±2.59 | × | × | |||
| 375 | ±2.62 | × | × | |||
| 379 | ±2.64 | × | × | |||
| 383 | ±2.67 | × | × | |||
| 387 | ±2.70 | × | × | |||
| 391 | ±2.72 | × | × | |||
| 395 | ±2.75 | × | × | |||
| 400 | ±2.78 | × | × | |||
| 406 | ±2.82 | × | ||||
| 412 | ±2.85 | × | ||||
| 418 | ±2.89 | × | ||||
| 425 | ±2.93 | × | ||||
| 429 | ±2.96 | × | ||||
| 433 | ±2.99 | × | ||||
| 437 | ±3.01 | × | ||||
| 443 | ±3.05 | × | ||||
| 450 | ±3.09 | × | ||||
| 456 | ±3.13 | × | ||||
| 462 | ±3.17 | × | ||||
| 466 | ±3.19 | × | ||||
| 470 | ±3.22 | × | ||||
| 479 | ±3.28 | × | ||||
| 483 | ±3.30 | × | ||||
| 487 | ±3.33 | × | ||||
| 493 | ±3.36 | × | ||||
| 500 | ±3.41 | × | ||||
| 508 | ±3.46 | × | ||||
| 515 | ±3.50 | × | ||||
| 523 | ±3.55 | × | ||||
| 530 | ±3.60 | × | ||||
| 538 | ±3.65 | × | ||||
| 545 | ±3.69 | × | ||||
| 553 | ±3.74 | × | ||||
| 560 | ±3.78 | × | ||||
| 570 | ±3.85 | × | ||||
| 580 | ±3.91 | × | ||||
| 590 | ±3.97 | × | ||||
| 600 | ±4.03 | × | ||||
| 608 | ±4.08 | × | ||||
| 615 | ±4.12 | × | ||||
| 623 | ±4.17 | × | ||||
| 630 | ±4.22 | × | ||||
| 640 | ±4.28 | × | ||||
| 650 | ±4.34 | × | ||||
| 660 | ±4.40 | × | ||||
| 670 | ±4.47 | × |