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活塞密封是液压缸内的主密封，双向承压，是液压缸所能承受压力值的最主要密封件之一。
活塞密封要求密封效果好，静止状态下保压效果好，运动过程中承压能力强，抗挤出，摩擦系数小，使用寿命长等。
活塞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 密封 | OTH-K01 |  |  |  | OTH-PU | -30℃~110℃ | 40 | 0.5 | 往复 单向 |
| OTH-FKM | -20℃~260℃ | ||||||||
| OTH-K02 |  | OTH-PU OTH-POM | -30℃~110℃ | 60 | 0.5 | 往复 单向 | |||
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K06 |  |  |  | OTH-PU | -30℃~110℃ | 40 | 0.5 | 往复 单向 | |
| OTH-FKM | -20℃~260℃ | ||||||||
| OTH-K07 |  | OTH-PU | -30℃~110℃ | 40 | 0.5 | 往复 单向 | |||
| OTH-NBR | |||||||||
| OTH-K08/E |  | OTH-NBR OTH-PTFE | -30℃~110℃ | 60 | 10 | 往复 单向 | |||
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K08/ES |  | OTH-NBR OTH-PTFE | -30℃~110℃ | 60 | 10 | 往复 单向 | |||
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K08/D |  |  |  | OTH-NBR OTH-PTFE | -30℃~110℃ | 60 | 10 | 往复 双向 | |
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K08/DS |  |  |  | OTH-NBR OTH-PTFE | -30℃~110℃ | 60 | 10 | 往复 双向 | |
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K08/P |  | OTH-NBR OTH-PTFE | -30℃~110℃ | 25 | 1.4 | 往复 双向 | |||
| OTH-FKM OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K09/N |  | OTH-PU OTH-NBR OTH-PTFE | -30℃~110℃ | 40 | 0.5 | 往复 双向 | |||
| OTH-K09/NE |  | OTH-PU OTH-NBR OTH-PTFE | -30℃~110℃ | 150 | 0.4 | 往复 双向 | |||
| OTH-K09/D |  | OTH-PU OTH-NBR OTH-PTFE | -30℃~110℃ | 40 | 0.5 | 往复 双向 | |||
| OTH-K09/F |  | OTH-PU OTH-NBR OTH-PTFE | -30℃~110℃ | 40 | 1.5 | 往复 双向 | |||
| OTH-K09/M |  |  |  | OTH-PU OTH-POM | -30℃~110℃ | 40 | 0.5 | 往复 双向 | |
| OTH-NBR OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K17 |  |  |  | OTH-PU OTH-POM | -30℃~110℃ | 40 | 0.5 | 往复 双向 | |
| OTH-NBR OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K19 |  |  |  | OTH-PU | -30℃~110℃ | 40 | 0.5 | 往复 单向 | |
| OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K20 |  |  |  | OTH-PU OTH-POM | -30℃~110℃ | 70 | 0.6 | 静密封 往复 双向 | |
| OTH-NBR OTH-PTFE | -20℃~260℃ | ||||||||
| OTH-K23/N |  |  |  | OTH-PU OTH-NBR OTH-PTFE | -30℃~110℃ | 40 | 0.5 | 往复 双向 | |
| OTH-K23/H |  | OTH-PU OTH-NBR OTH-PTFE | -30℃~110℃ | 40 | 0.5 | 往复 双向 | |||
| OTH-K23/D |  | OTH-PU OTH-NBR OTH-PTFE | -30℃~110℃ | 60 | 0.5 | 往复 双向 | |||
| OTH-K23/F |  | OTH-PU OTH-NBR OTH-PTFE | -30℃~110℃ | 40 | 0.5 | 往复 双向 | |||
| OTH-K35 |  |  |  | OTH-PU | -30℃~110℃ | 65 | 0.5 | 静密封 往复 旋转 双向 | |
| OTH-FKM | -20℃~260℃ |
