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      Pay attention to the use of mechanical seals
      2016-01-16 丨 Click: 1559

      1 General Mechanical seal Apply to clean, free of suspended particles in the medium, therefore, the new management system and a liquid storage tank, should be carefully rinsed, prevent solid impurities into the mechanical seal to seal failure.

      2 in the crystallization medium, the use of mechanical seals, should pay attention to regular washing. After the pump is stopped again before starting to crystallize the mechanical seal on the clean.

      3 removing the mechanical seal should be carefully, but don't touch cone, iron and other percussion, so as not to damage the static ring sealing surface.


      4 if there is dirt not split down, don't go down, should try to remove dirt, rinse, and then remove, so as not to damage the sealing element.

      5 installation of the mechanical seal before, should check whether there is any damaged sealing element failure, such as there is to repair or update components.

      6 should strictly check the moving ring and the static ring on grinding seal, any slight scratch, Pengpo defects are not allowed. All components, including pump body, impeller, seal cavity in the assembly must be washed. Especially the dynamic and static ring end use clean, soft cloth and cotton to wipe, and then coated with a layer of clean oil or grease.


      7 assembly should pay attention to eliminate the deviation, the fastening screws, avoid deflection, the seal failure.

      The amount of compression spring 8 correct adjustment, to not be too tight or too loose. Tight seal soon wear and failure, and large power consumption; too loose sealing effect, excessive leakage. So the pump installed manually, rotation should feel a certain amount of sealing spring, and can rotate light, flexible, no bite feeling, such as feeling too tight or disc does not move, it should be appropriate to relax regulation.

      External flushing mechanical seal 9, before starting the first open the flushing liquid seal cavity filled with liquid seal. Stop, stop the pump, after closing the seal liquid.

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