Basic Requirements for Mechanical Seal Design
 
Core Performance Requirements of Industrial Mechanical Seals
 
1. Tight Sealing Capability
Specify allowable leakage rate, leakage points and leakage paths to guarantee safe, stable and reliable production operation for pumps and process equipment.

2. Long-Term Operational Reliability
Measured by total service life, this metric integrates wear resistance, chemical corrosion resistance, high & low temperature resistance, and anti-vibration performance. For petrochemical plants, heavy-duty pump shaft mechanical seals must deliver extended service cycles to support uninterrupted continuous production of process units.

3. Parameter Fluctuation Stability
Mechanical seals shall retain full functional integrity under variable working conditions and shifting operational parameters during long-time running.

4. Structural & Dimensional Compatibility Limits
Comply with predefined overall outline dimensions and inherent structural installation constraints of pump assemblies.

5. Low Energy & Medium Consumption Design
Optimize seal structure to cut power loss and reduce medium material waste in fluid conveying systems.

6. Cost-Effective Material Selection & Commercial Pricing
Balance high-performance sealing material grades with reasonable, competitive market pricing for industrial procurement.

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