Failure cause of mechanical sealing of high temperature screwed pipe for GA123A pump is analyzed. It is showed that the causes of the sealing failure are scale deposit and carbon laydown in pipe.
对GA123A泵的高温波纹管式机械密封的失效原因进行了分析，证实热油泵的密封故障是由于波纹管内侧水垢和积碳引起。
Pipe leakage or leakage that may be installed when the nut is not screwed tight.
管路漏水或漏气可能安装时螺帽拧得不紧。
After the adhesive is solidified, the pipe and the pipe joint body are screwed into a whole through the screw plug.
待粘接剂固化后，管子、管接头体通过螺丝堵头凝接成一个整体。
After the fixing bolt is completely screwed in the central hole of the screw, the upper end-face of the fixing bolt is lower than the upper end-face of the fixing sleeve pipe.
固定螺钉完全旋入螺杆中心孔后，固定螺钉的上端面低于固定套管的上端面。
After the fixing bolt is completely screwed in the central hole of the screw, the upper end-face of the fixing bolt is lower than the upper end-face of the fixing sleeve pipe.
固定螺钉完全旋入螺杆中心孔后，固定螺钉的上端面低于固定套管的上端面。
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