The mechanical seal utilized in submarine's weapon ejection pump works under fluctuant working pressure and is used in low frequency, and high reliability is indispensable.
水下舰艇武器推进泵的机械密封装置的工作压力波动、使用频率小,并要求可靠性高。
2
The mechanical system is composed of testing mechanical assembly, hydraulic loading pump station, pressure increasing and holding device for tested media, and sensors.
其中,机械系统由试验台架、液压加载泵站、试验介质增压保压装置和传感器等部件组成;
3
Discusses the relationship between pumping speed and inlet pressure of an oil-sealed mechanicalpump and the reason why its pumping efficiency drops down.