1.特殊设计的密封环, 可增加弹性, 密封性能好, 防止长时间使用变形。
2.港口防污系统(PAP), 可自动控制密封系统的压力, 防止滑油泄漏。
1. High Reliability
High reliability is realized with the following two measures:
Small pressure difference on all sealing rings
The provision of two sealing rings on sea water side and stern tube oil side. Even
If the oil sealing rings are damaged the leaked oil is completely collected in an air
Chamber between sealing rings.
2. Easy Maintenace
Any draft change is automatically detected and the stern tube pressure changes in
Accordance with draft changes even on vessels with numerous draft changes due to
3. Low Air Consumption
Air is supplied to the #2/3 chamber controlling the chamber pressure with a small
Amount of air constantly flowing out the drain tank to avoid air deposition in the line.
Total air consumption is less than 50Ne/min.
4. Various Emergency Measures
Emergency measures include spare sealing rings and air control devices.it is possible
to convert from air seal systems to Double Security Type COMPACT Seals with simple
valve operations, provided that an emergency stern tube gravity tank is prepared.
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