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活塞杆密封是液压缸内主要承压元件之一，单向承压，承受压力较大，直接与液压油接触。
活塞杆密封安装在液压缸端盖内侧防尘密封里面，作用是防止液压油外漏。要求静止状态下保压性能好，运动中承压要高，密封性能要好，摩擦系数小，抗挤出能力强等。
活塞杆密封主要应用于通用液压系统、机床、采矿机械、冶金机械、标准液压缸、通用机械等设备中。
| 奥赛罗密封(OTH)型号 | 截面图 | 尺寸图 | 实物图 | 常用材料 | 温度(℃) | 压力(Mpa) | 线速度(m/s) | 密封 形式 | |
|---|---|---|---|---|---|---|---|---|---|
| 活塞杆 密封 | OTH-S01 |  |  |  | OTH-PU | -30℃~110℃ | 40 | 0.5 | 往复 单向 |
| OTH-FKM | -20℃~260℃ | ||||||||
| OTH-S02 |  | OTH-PU OTH-POM | -30℃~110℃ | 60 | 0.5 | 往复 单向 | |||
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-S06 |  |  |  | OTH-PU | -30℃~110℃ | 40 | 0.5 | 往复 单向 | |
| OTH-FKM | -20℃~260℃ | ||||||||
| OTH-S07 |  |  |  | OTH-PU | -30℃~110℃ | 60 | 0.5 | 往复 单向 | |
| OTH-NBR | |||||||||
| OTH-S08 |  |  |  | OTH-NBR OTH-PTFE | -30℃~110℃ | 60 | 10 | 往复 旋转 单向 | |
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-S08/D |  |  |  | OTH-NBR OTH-PTFE | -30℃~110℃ | 60 | 10 | 往复 旋转 单向 | |
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-S08/P |  | OTH-PU | -30℃~110℃ | 16 | 0.5 | 往复 旋转 单向 | |||
| OTH-FKM | -20℃~260℃ | ||||||||
| OTH-S08/PE |  |  |  | OTH-PU | -30℃~110℃ | 40 | 0.5 | 往复 旋转 双向 | |
| OTH-FKM | -20℃~260℃ | ||||||||
| OTH-S09 |  |  |  | OTH-NBR OTH-PTFE | -30℃~110℃ | 60 | 10 | 往复 旋转 双向 | |
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-S09/D |  | OTH-NBR OTH-PTFE | -30℃~110℃ | 60 | 10 | 往复 旋转 双向 | |||
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-S17 |  |  |  | OTH-PU | -30℃~110℃ | 40 | 0.5 | 往复 单向 | |
| OTH-FKM | -20℃~260℃ | ||||||||
| OTH-S19 |  |  |  | OTH-PU | -30℃~110℃ | 40 | 15 | 往复 单向 | |
| OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-S20 |  |  |  | OTH-PU OTH-POM | -30℃~110℃ | 70 | 0.5 | 静密封 往复 单向 | |
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-S24 |  | OTH-PU OTH-NBR OTH-POM | -30℃~110℃ | 70 | 0.5 | 往复 单向 | |||
| OTH-S35 |  | OTH-PU | -30℃~110℃ | 40 | 0.5 | 静密封 往复 旋转 双向 | |||
| OTH-FKM | -20℃~260℃ | ||||||||
| OTH-S36 |  |  |  | OTH-PU | -30℃~110℃ | 20 | 0.25 | 往复 单向 | |
| OTH-FKM | -20℃~260℃ | ||||||||
| OTH-S37 |  |  |  | OTH-PU OTH-PTFE | -30℃~110℃ | 50 | 0.6 | 往复 旋转 双向 | |
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-S1012 |  |  |  | OTH-PU OTH-POM | -30℃~110℃ | 60 | 0.5 | 往复 旋转 双向 | |
| OTH-FKM OTH-PTFE | -20℃~260℃ |
