Basic structure of the centrifugal pump is composed of six parts, namely: impeller, pump, pump shaft, bearing, seal ring, stuffing box.
离心泵的基本构造是由六部分组成的，分别是：叶轮，泵体，泵轴，轴承，密封环，填料函。
This paper presents the principle of stern stuffing seal, analyses the reason of water-leaking and provides in detail the technique of fitting operation on divided bronze liner of stern shaft.
文章介绍了艉轴填料函密封的基本原理，分析了漏水的原因，提出了艉轴铜套分段红装修理的具体操作方法。
The improvement seal was composed of combination of stuffing seal and labyrinth seal and protective gas was used.
对填料密封设计进行改进，采用填料与迷宫组合密封结构，加气体保护密封方案。
For the disadvantage of mechanical seal and stuffing seal used widely in kneader, a magnetic fluid seal structure was designed for kneaders which are often with bulky shaft and high rotation speed.
针对捏合机上普遍采用的填料密封及机械密封的不足，设计了一种磁流体密封装置。
If water seal ring, should check with the stuffing at the top of the range is correct.
如有水封环，应检查其与填料函顶部的距离是否正确。
BA series pump sealed the shaft with stuffing, CB series pump sealed the shaft with mechanical seal, the two series pumps have the same parameters, contour and installation size.
BA泵的轴封采用软填料密封，CB泵的轴封采用机械密封，两形式的性能参数、外形及安装尺寸完全相同。
BA series pump sealed the shaft with stuffing, CB series pump sealed the shaft with mechanical seal, the two series pumps have the same parameters, contour and installation size.
BA泵的轴封采用软填料密封，CB泵的轴封采用机械密封，两形式的性能参数、外形及安装尺寸完全相同。
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