Centrifugal Pump Seal Failures

[Dlew]

A centrifugal pump has experienced three mechanical seal failures within six months.
How would we determine whether the root cause is hydraulic, mechanical, operational, or installation related?

[sys1]

Three mechanical seal failures within six months should be treated as a reliability problem, not simply a seal problem. Replacing the seal repeatedly without identifying the underlying cause almost always leads to further failures. A structured Root Cause Analysis should separate the causes into hydraulic, mechanical, operational, and installation categories.