How To Disassemble And Assemble The Mechanical Seal Of A Centrifugal Pump?

Apr 20, 2025

1, Analysis of the causes of mechanical seal failure and damage in centrifugal pumps:
1. The end faces of the dynamic and static rings of the mechanical seal are worn.
2. The fixing screws of the mechanical seal may become loose or not tightened during long-term operation, resulting in the failure of the mechanical seal or tilting of the moving ring.
3. There are debris stuck between the moving ring and the stationary ring end inside the mechanical seal.
4. The assembly of the dynamic and static rings of the mechanical seal is skewed.
2, What aspects should be paid attention to during the installation and disassembly of mechanical seals for centrifugal pumps?
1. Before installation, it is necessary to check whether the mechanical seal components and installation parts are damaged.
2. Before assembling the mechanical seal of the centrifugal pump, the end faces of the moving and stationary rings should be coated with engine oil. The friction section inspection of the moving and stationary rings should not have any collision.
3. Pay attention to adjusting the compression of the spring, not too loose or too tight, and eliminate deviations.
4. The screws of the centrifugal pump mechanical seal should be tightened evenly to avoid uneven tightening force, which can easily damage the mechanical seal.
5. When disassembling the mechanical seal, pay attention to the disassembly sequence of the components.
Here, we would like to remind our customers that mechanical seals are an important component in pump products, and any malfunctions in this component should be taken seriously. This is beneficial for the safe and stable operation of centrifugal pumps, as well as for extending their trouble free working time. Prevent the leakage of media from affecting work efficiency and production environment, causing unnecessary losses.