Single suction, single stage horizontal centrifugal pump with closed impeller.
单吸、单级卧式离心泵，用封闭叶轮。
To sum up, a 3d-flow closed impeller can be machined efficiently, precisely, reliably and integrally with this method.
两者结合，可以实现高效、精密、可靠、整体制造三元流闭式叶轮的目标。
Which closed impeller very broad application, the aforementioned single-suction aspiration impeller double impeller belong to this form.
其中封闭式叶轮应用很广泛，前述的单吸叶轮双吸叶轮均属于这种形式。
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。
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。
Closed structure impeller: adopt excellent hydraulic mode efficient, highly resistant to capitation erosion.
闭式结构叶轮：采用优秀的水力模型，效率高，抗汽蚀性能强。
From the performance perspective, the lower the efficiency of the impeller, the impeller is only equivalent to an ordinary closed around 70%, a relatively flat head curve.
从性能上讲，该叶轮效率较低，仅相当于普通闭式叶轮的70%左右，扬程曲线比较平坦。
Impeller are open, and closed three-Banbi, as shown in Figure 2-2.
叶轮有开式、半闭式和闭式三种，如图2 - 2所示。
Impeller are open, and closed three-Banbi, as shown in Figure 2-2.
叶轮有开式、半闭式和闭式三种，如图2 - 2所示。
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