Through comparison testing of the surface of reflowing holes of the external-mix self-suckingpump, the best design is determined.
对外混式自吸泵的回流孔面积进行对比试验，确定最佳设计方案。
2
Compared with self - sucking centrifugal pump, the pump is more compact in structure, more reliable in mechanical sealing and more convenient in operation.
新型便拆式自吸离心管道泵与自吸离心泵相比，具有结构紧凑、机械密封可靠，操作方便和维护容易等优点。
3
The corrosion resistant self-suckingpump is mainly used for conveying the corrosion medium of the petroleum industry, the chemical industry, the medicine industry, the food industry, etc.