Secondary seals are elastomeric or polymeric components in mechanical seals that provide static sealing between rotating and stationary parts, preventing fluid leakage along the shaft.
Commonly used trade names and technical identifiers for Secondary Seals.
This component is used in the following industrial products
A precision assembly that prevents fluid leakage between rotating and stationary parts in agitator systems
A device that prevents fluid leakage between rotating and stationary parts in a pump.
A critical sealing component that prevents leakage of fluids or contaminants in agitator/mixer systems.
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Primary seals are the main sealing faces (usually rotating/stationary faces) that handle dynamic sealing, while secondary seals provide static sealing between components and compensate for misalignments.
Replacement depends on operating conditions, but typically during mechanical seal overhaul (every 1-3 years) or when signs of hardening, cracking, or compression set exceed 25%.
Standard elastomers may degrade with abrasives; PTFE or FFKM materials with anti-extrusion rings are recommended for abrasive service.
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