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水泵出水少是什么原因

更新时间: 2020-10-11 00:00:00     

1、进水管和泵体内有空气。水泵启动前未灌满足够的水,有时看上去灌的水已从放气孔溢出,但未转动泵轴交空气完全排出,致使少许空气残留在进水管或泵体中;

2、水泵转速过低。叶轮与泵轴紧固螺母松脱或泵轴变形弯曲,造成叶轮多移,直接与泵体磨擦,或轴承损坏,都有可能降低水泵的转速;

3、水流的进出水管中的阻力损失过大。管道太长、水管弯道多,水流在管道中阻力损失过大。虽然蓄水池或水塔到水源水面的垂直距离还略小于水泵扬程,但还是提水量小或提不上水。

关键词: 水泵 什么 原因

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