Why Do Mechanical Seals Fail and How to Extend Service Life
 
Mechanical seals are essential core parts widely used in pumps, mixers and various rotating machinery.

Premature seal failure has always troubled many industrial users and increased operating costs.There are six main reasons leading to mechanical seal damage.

First of all, dry running is the biggest cause of seal damage. Without liquid lubrication, the seal faces will be quickly worn and burned. Secondly,

non-standard installation, shaft misalignment and improper compression will directly cause fluid leakage.
 
In addition, solid impurities in the medium will scratch the sealing surface and shorten the service life. Using unsuitable sealing materials will cause aging,

expansion and corrosion of rubber parts. Long-term high temperature environment and severe equipment vibration will also accelerate seal wear and failure.
 
To solve these problems, users should select matching seal materials and API standard flushing plans according to actual working conditions.

Adopting cartridge type mechanical seals can greatly reduce installation errors.
 
It is also necessary to avoid dry running and pressure impact during operation, and equip with effective cooling and filtering devices.

Regular daily inspection and maintenance can effectively reduce failure rate.
 
Reasonable selection, standard installation and standardized operation can greatly prolong the service life of mechanical seals,

ensure stable equipment operation and save after-sales maintenance costs for enterprises.

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