Optimal Maintenance Practices for Mechanical Seals to Ensure Long-Term Reliability
 
Mechanical seals are critical components in rotating equipment, and their service life and performance heavily depend on standardized maintenance and operation.

In line with API 682 guidelines, routine monitoring shall include seal chamber temperature, leakage rate, and auxiliary system conditions.

Dry running is strictly prohibited, as even a short period of operation without fluid can cause permanent damage to seal faces.

Before startup, the seal chamber must be fully primed with process fluid, and flush and cooling systems shall be activated and stabilized .

During commissioning, slight initial leakage is normal and typically subsides within 1–3 hours as the seal faces wear in; however, persistent leakage or excessive heat generation requires

immediate shutdown and inspection. Periodic maintenance should involve inspection of seal faces for wear or cracking, verification of elastomer integrity,

and checking spring tension and alignment . Implementing a proactive maintenance program can significantly reduce unplanned downtime, extend seal life, and enhance overall

equipment reliability.

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