From the performance perspective, the type of impeller and the general efficiency closed impeller or less the same, but the type of impeller pump head curve dropped more.
从性能上讲，该型式叶轮效率高和普通闭式叶轮相差不大，但用该型式叶轮泵扬程曲线较为陡降。
The type of the pump impeller and pump and centrifugal pump with a volume effect of particles suspended in mid-stream leaf out of date, do not hit any part of the pump, it is good non-destructive.
该型叶轮的泵兼具有容积泵和离心泵的作用，悬浮性颗粒在叶片中流过时，不撞击泵内任何部位，故无损性好。
The solutions are to lay stress on the type selection of a pump when it is designed, and to engage in technical reform for the pump impeller when it is used.
解决的方法有：设计时注重油泵的选型，应用中对泵的叶轮进行技术改造。
Horizontal pump easier, such as IS as long as the move imported tube type pump impeller repair can go.
而卧式泵相对容易，如is型泵只要将进口管移去就能进行叶轮检修。
The pump impeller in welding, simple operation, stable work, welding effect to foreign similar type level.
该机专用于水泵叶轮的焊接，操作简单、工作稳定，焊接效果达到国外同类机型水平。
The artical presented Designing formulas of pump body and impeller and the-defining way of liquid storage chamber and air-liquid-isolating chamber of self priming type centrifugal pump.
本文提出了有关自吸式离心泵泵体及叶轮主要尺寸的设计公式，泵体储液室、气液分离室等的确定方法。
A smooth power curve, not easy to have a super power, but this type of impeller cavitation performance than ordinary closed impeller, especially suitable for use in the pump pressure on imports.
功率曲线比较平稳，不易产生超功率的问题，但该型叶轮的汽蚀性能不如普通闭式叶轮，尤其适宜用在有压进口的泵上。
Screw-centrifugal pump is a kind of new type liquid-solids handing pump whose unique impeller structure combines both the advantages of screw pump and centrifugal pump.
螺旋离心泵是将螺旋泵与离心泵融合为一体的一种新型杂质泵，其独特的结构可以将两者的优势充分发挥。
Screw-centrifugal pump is a kind of new type liquid-solids handing pump whose unique impeller structure combines both the advantages of screw pump and centrifugal pump.
螺旋离心泵是将螺旋泵与离心泵融合为一体的一种新型杂质泵，其独特的结构可以将两者的优势充分发挥。
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