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What are the common causes of mechanical seal failure ?

What are the common causes of mechanical seal failure ?
Update Time:2017-10-17

What are the common causes of mechanical seal failure ?

Mechanical seal failures typically fall into three main categories:

Incorrect  operating an process upsets or changes.

Incorrect fitting and alignment.

Incorrect (or not quite correct) seal system selection.

The majority  of mechanical  seal fail. seal failures fall into the first category with more than 60% of failures being caused by some kind of process upset or a change in operating conditions.