详细说明
至中密封科技专业生产及代理销售NOKO型密封圈以下是各类橡胶O型圈公差标准及材质物料应用分析表
O型圈/星型圈材料物性表
| 物性要求 | 物性等级 | 材质名称 | 丁氰橡胶 | 氢化丁氰橡胶 | 三元乙丙橡胶 | 硅矽橡胶 | 氯丁橡胶 | 氟素橡胶 | 四丙氟橡胶 | 氟硅橡胶 | 全氟橡胶 | 聚四氟乙烯 | 聚氨酯 | 天然橡胶 | 丙烯酸酯 |
| 抗臭氧性 | △ | > | > | > | >○ | > | > | > | > | > | > | × | > |
| 耐侯性 | ○ | > | > | > | ○ | > | > | > | > | > | ○ | × | > |
| 抗热性 | 120℃ | 150℃ | 150℃ | 220℃ | 120℃ | 200℃ | 175℃ | 175℃ | 320℃ | 280℃ | 90℃ | 90℃ | 150℃ |
| 耐化学药品性 | ○△ | ○ | > | >○ | ○△ | > | > | > | > | > | > | × | × |
| 耐油性 | > | > | × | ○△ | ○△ | > | >○ | > | > | > | > | × | > |
| 密水性 | ○ | ○ | > | ○ | ○ | ○ | > | △ | > | > | > | > | > |
| 耐寒性 | -40℃ | -40℃ | -50℃ | -70℃ | -40℃ | -20℃ | -30℃ | -60℃ | -20℃ | -100℃ | -40℃ | -60℃ | -25℃ |
| 耐磨损性 | ○ | >○ | ○ | × | ○ | >○ | >○ | × | > | > | > | >○ | △ |
| 抗变形性 | >○ | ○ | >○ | > | △ | ○ | ○ | > | > | × | × | >○ | △ |
| 耐酸性 | △ | ○ | >○ | △ | ○△ | > | > | > | > | > | × | ○△ | △× |
| 耐碱性 | ○ | > | > | △ | >○ | >○ | > | △ | > | > | × | △ | × |
| 张力强度 | >○ | > | >○ | × | >○ | >○ | >○ | ○ | >○ | △× | > | > | △ |
| 耐水蒸气性 | × | ○△ | >○ | ○△ | △ | ○△ | > | ○△ | > | ○ | × | △ | × |
| 抗燃性 | × | × | × | △× | ○ | > | ○ | △× | > | > | △ | × | △× |
| 储存稳定性（Y=年） | 5-10Y | 5-10Y | 5-10Y | ABT20Y | 5-10Y | ABT20Y | ABT20Y | ABT20Y | ABT20Y | ABT20Y | ABT20Y | 3-5Y | ABT20Y |
图标说明:>特佳 ○佳 △普通 ×差 常用材料参考色
| 内径 | 公差 | 线径 | 公差 |
| 0-1.79 | 0.10 | 0-1.79 | 0.07 |
| 1.80-6.29 | 0.13 | 1.80-2.64 | 0.08 |
| 6.30-10.59 | 0.14 | 2.65-3.54 | 0.09 |
| 10.60-18.99 | 0.17 | 3.55-5.29 | 0.10 |
| 19.00-31.49 | 0.22 | 5.30-6.99 | 0.13 |
| 31.50-41.19 | 0.30 | 7.00-8.00 | 0.15 |
| 41.20-51.49 | 0.36 | 8.01-10.00 | 0.20 |
| 51.50-64.99 | 0.44 | 10.01-15.00 | 0.25 |
| 65.00-82.49 | 0.53 | 15.01-25.00 | 0.35 |
| 82.50-121.99 | 0.65 | 25.01-100.00 | 0.45 |
| 122.00-184.99 | 0.90 | - | - |
| 185.00-257.99 | 1.20 | - | - |
| 258.00-324.99 | 1.60 | - | - |
| 325.00-411.99 | 2.10 | - | - |
| 412.00-514.99 | 2.60 | - | - |
| 515.00-649.99 | 3.20 | - | - |
| 650.00-670.00 | 4.00 | - | - |
| 670.01-999.00 | 5.00 | - | - |
| 999.01-1200.00 | 6.00 | - | - |
O型圈/星型圈开槽尺寸建议参数:（静态见图1）
| 密封圈线径 | 槽深 | 槽宽 | 密封圈线径 | 槽深 | 槽宽 |
| 1.00 | 0.80 | 1.3 | 5.00 | 4.00 | 6.5 |
| 1.50 | 1.10 | 1.9 | 5.33 | 4.30 | 6.9 |
| 1.60 | 1.20 | 2.1 | 5.50 | 4.50 | 7.1 |
| 1.78 | 1.30 | 2.3 | 5.70 | 4.65 | 7.4 |
| 1.90 | 1.40 | 2.4 | 6.00 | 4.95 | 7.8 |
| 2.00 | 1.50 | 2.6 | 6.50 | 5.40 | 8.4 |
| 2.40 | 1.80 | 3.1 | 6.99 | 5.85 | 9.1 |
| 2.50 | 1.90 | 3.2 | 7.00 | 5.85 | 9.1 |
| 2.62 | 2.00 | 3.4 | 7.50 | 6.30 | 9.7 |
| 2.70 | 2.10 | 3.5 | 8.00 | 6.75 | 10.4 |
| 3.00 | 2.30 | 3.9 | 8.40 | 7.15 | 10.9 |
| 3.50 | 2.70 | 4.5 | 8.50 | 7.25 | 11.0 |
| 3.53 | 2.70 | 4.5 | 9.00 | 7.70 | 11.7 |
| 3.60 | 2.80 | 4.7 | 9.50 | 8.20 | 12.3 |
| 4.00 | 3.15 | 5.2 | 10.00 | 8.65 | 13.0 |
| 4.50 | 3.60 | 5.8 | - | - | - |
O型圈/星型圈以液体作介质时:（动态见图2）
| 线径 | 槽深 | 槽宽 | 轴杆导角 | 线径 | 槽深 | 槽宽 | 轴杆导角 |
| 1.00 | 0.90 | 1.3 | 1.0 | 5.00 | 4.45 | 6.0 | 2.5 |
| 1.50 | 1.30 | 1.9 | 1.0 | 5.33 | 4.70 | 6.4 | 2.7 |
| 1.60 | 1.40 | 2.0 | 1.1 | 5.50 | 4.95 | 6.6 | 2.8 |
| 1.78 | 1.50 | 2.3 | 1.1 | 5.70 | 5.10 | 6.9 | 3.0 |
| 1.90 | 1.60 | 2.4 | 1.2 | 6.00 | 5.40 | 7.2 | 3.1 |
| 2.00 | 1.70 | 2.4 | 1.2 | 6.50 | 5.80 | 7.8 | 3.3 |
| 2.40 | 2.10 | 2.9 | 1.4 | 6.99 | 6.30 | 8.4 | 3.6 |
| 2.50 | 2.20 | 3.0 | 1.4 | 7.00 | 6.30 | 8.4 | 3.6 |
| 2.62 | 2.30 | 3.1 | 1.5 | 7.50 | 6.70 | 9.0 | 3.8 |
| 2.70 | 2.40 | 3.2 | 1.5 | 8.00 | 7.20 | 9.6 | 4.0 |
| 3.00 | 2.60 | 3.6 | 1.6 | 7.40 | 7.60 | 10.1 | 4.2 |
| 3.50 | 3.10 | 4.2 | 1.8 | 8.50 | 7.70 | 10.2 | 4.2 |
| 3.53 | 3.10 | 4.2 | 1.8 | 9.00 | 8.20 | 10.8 | 4.3 |
| 3.60 | 3.20 | 4.3 | 1.8 | 9.50 | 8.60 | 11.4 | 4.4 |
| 4.00 | 3.50 | 4.8 | 2.0 | 10.00 | 9.10 | 12.0 | 4.5 |
| 4.50 | 4.00 | 5.4 | 2.3 | - | - | - | - |
O型圈/星型圈以气体作介质时:（动态见图2）
| 线径 | 槽深 | 槽宽 | 轴杆导角 | 线径 | 槽深 | 槽宽 | 轴杆导角 |
| 1.00 | 0.95 | 1.3 | 1.0 | 5.00 | 4.65 | 6.0 | 2.5 |
| 1.50 | 1.35 | 1.9 | 1.0 | 5.33 | 4.95 | 6.4 | 2.7 |
| 1.60 | 1.45 | 2.0 | 1.1 | 5.50 | 5.15 | 6.6 | 2.8 |
| 1.78 | 1.55 | 2.3 | 1.1 | 5.70 | 5.35 | 6.9 | 3.0 |
| 1.90 | 1.75 | 2.4 | 1.2 | 6.00 | 5.65 | 7.2 | 3.1 |
| 2.00 | 1.80 | 2.4 | 1.2 | 6.50 | 6.10 | 7.8 | 3.3 |
| 2.40 | 2.15 | 2.9 | 1.4 | 6.99 | 6.60 | 8.4 | 3.6 |
| 2.50 | 2.25 | 3.0 | 1.4 | 7.00 | 6.60 | 8.4 | 3.6 |
| 2.62 | 2.35 | 3.1 | 1.5 | 7.50 | 7.10 | 9.0 | 3.8 |
| 2.70 | 2.45 | 3.2 | 1.5 | 8.00 | 7.60 | 9.6 | 4.0 |
| 3.00 | 2.75 | 3.6 | 1.6 | 8.40 | 7.90 | 10.1 | 4.2 |
| 3.50 | 3.25 | 4.2 | 1.8 | 8.50 | 8.00 | 10.2 | 4.2 |
| 3.53 | 3.25 | 4.2 | 1.8 | 9.00 | 8.50 | 10.8 | 4.3 |
| 3.60 | 3.35 | 4.3 | 1.8 | 9.50 | 9.00 | 11.4 | 4.4 |
| 4.00 | 3.70 | 4.8 | 2.0 | 10.00 | 9.50 | 12.0 | 4.5 |
| 4.50 | 4.20 | 5.4 | 2.3 | - | - | - | - |