Four key points for the maintenance of pump mechanical seals

1. The new and old seals are relatively better than the old ones in the use of new mechanical seals. However, the quality or material of the new mechanical seal is not properly selected, and the larger size error will affect the sealing effect. In polymeric permeability media, the static ring If there is no excessive wear, it will not be replaced as well. Because the stationary ring is in a stationary state for a long time in the stationary ring seat, the polymer and the impurities are deposited as a whole, which plays a good sealing role.

2. Sealing and repairing Once a mechanical seal leaks, it will be eager to repair it. In fact, sometimes the seal is not damaged. Simply adjust the working conditions or adjust the seal properly to eliminate the leak. This not only avoids waste but also verifies its own fault judgment capabilities, accumulates maintenance experience and improves the quality of inspections.

3. Lubrication The mechanical seal should be properly lubricated to reduce wear and extend life. Part of the frictional heat can also be carried away by the lubricant. General lubricants can be borne by the media itself, so the seal face (ring, static ring) should not see too much spring pressure.

4. Flush the cooling pump with the mechanical seal work so that the heat generated on the end surface should be transferred in time. Otherwise, the liquid film between the end surfaces will vaporize to form dry friction, and the cooling and cooling measures must be considered. The general flushing coolant is internally sealed and can also be flushed with an external water supply. In the use of mechanical seals, it is absolutely necessary to guarantee the supply of flushing coolant and the flushing of the coolant, and if necessary, to clean it regularly.