由于变频器的使用，使泵转速下降，出口压力降低，减少了机械磨损，降低了维修工作量，延长了设备的使用寿命。
Because of the use of frequency converter, so that pump speed decreased, exports to reduce stress, a reduction of mechanical wear, reducing maintenance workload, extended equipment life.
泵工作时，应注意检查压力、温度和机械轴封的工作。
Pumps work, should pay attention to check the pressure, temperature and mechanical seals work.
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。
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.
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