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      Jiangsu Guoneng Machinery Technology Co., Ltd.
          Pump Series
          Valve series
        QUESTION
      The main pump mechanical seal leak

      A wide range of pump mechanical seal, but the leak point there are five:
      (L) between the seal and the shaft sleeve (this is the static seal is used mainly PTFE gasket);
      (2) dynamic and static ring or ring seal between the sleeve (this is the static seal is used mainly O-rings or bellows);
      (3) dynamic and static ring seal between (this is the dynamic seal, the seal is the most likely site of the leak, run a long time after the friction and wear can lead to leakage);
      (4) to seal the stationary ring and stationary ring seat between (this is the static seal, mainly O-ring);
      (5) sealing cap and seal between the pump body (this is the static seal, mainly PTFE gasket).
      In general, the axis extending between the outer sleeve, cover and pump seal leakage between relatively easy to find and resolve, subject to careful observation. On the remaining leak is difficult to discern and intuitive judgment shall be on the basis of long-term management and maintenance practice, leak symptoms were observed and analyzed, judged, in order to draw the right conclusion.

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