Knowledgebase – Mechanical Seals

Secondary Sealing Elements
This Fluid Sealing Association Knowledge Series training presentation introduces secondary sealing elements. Secondary sealing elements or secondary seals are the elements that provide sealing between the primary and mating rings to the drive/shaft and gland/housing components. A description is provided on:
• Elastomeric O-ring secondary seal design parameters
• Elastomeric/PTFE material and configuration options (including back-up rings)
• Common secondary seal failure modes
• Thermoplastic and other material options

Resource Details
Author(s): Fluid Sealing Association® — Mechanical Seals
Date Created: July-2023
Format: PPT