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          Jiangsu Guoneng Machinery Technology Co., Ltd.
              Pump Series
              Valve series
            QUESTION
          Why is strictly prohibited idling Centrifugal Pump

          Because most centrifugal pump mechanical seal is used, as long as idle for a few seconds, mechanical seal friction will lead to high-temperature friction end face of failure, O-rings were burned hot, it will melt away some fluorine pump shaft severe and pump cover package fluorine layer. Magnetic fluid pump off when idling, sliding bearings are not cooled, high temperatures lead to bearing damage. So centrifugal medium is strictly prohibited without idling, it must be filled with liquid before starting.

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