Single suction, single stage horizontal centrifugal pump with closed impeller.
单吸、单级卧式离心泵，用封闭叶轮。
Impeller has a single suction and double suction two suction fluid ways.
叶轮有双吸和单吸两种吸液方法。
Pumps are horizontally mounted: single stage, end suction, back pull-out, ROTOKEY impeller mounting, simplified heavy-duty bearing unit etc.
该泵采用水平安装，单级、端吸、后拉式，ROTOKEY叶轮，简化了重载轴承部件等优点。
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