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How to solve the negative pressure at the inlet of the magnetic pump?
浏览次数: Time: 2019-11-01 15:07
Recently, an Indonesian customer purchased our magnetic pump, LHC series. It was used very well in the first two weeks, and the flow and pressure dropped severely in the third week. After disassembly, it was found that the impeller mouth ring was worn, and the impeller and the pump body had serious friction.
Recently, an Indonesian customer purchased our magnetic pump , LHC series. It was used very well in the first two weeks, and the flow and pressure dropped severely in the third week. After disassembly, it was found that the impeller mouth ring was worn, the impeller and the pump body had serious friction. , The density is not high, so what causes this phenomenon, after careful inspection by the technician, and on-site video, it was found that the resistance of the inlet pipeline was too large and the negative pressure of the inlet was too large during the operation of the pump. The ring is severely worn and the impeller moves forward.
So how should we prevent the inlet negative pressure from being too high, or how to improve the pump when the inlet negative pressure is too high, and finally we found the solution to turn the impeller rear cover and reduce the impeller front mouth ring. The positive pressure at offsets the axial force of the pump. After being improved, the pump runs stably and is recognized by foreign users.
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