API Plan 62
API Plan 62 is a seal flush system designed for single mechanical seals operating at atmospheric pressure.
This plan supplies an external quench fluid, such as steam, water, nitrogen, or air, to the atmospheric side of the seal to prevent build-up, control temperature, and inhibit contamination or crystallization.
API Plan 62 is a simple yet effective solution for enhancing seal life, preventing contamination, and improving reliability in applications where external quench fluid can optimize seal performance.
Features
How API Plan 62 Works
- A controlled flow of external fluid (air, steam, water, or inert gas) is directed to the outer side of the seal.
- The quench fluid removes heat, prevents coking, crystallization, or polymerization, and helps maintain a clean sealing environment.
- In steam or water applications, drain piping is typically included to remove excess fluid.
- For gas quench applications (e.g., nitrogen or air), the fluid helps prevent atmospheric contaminants from entering the seal chamber.
Benefits
Prevents Seal Face Contamination – Keeps process residue from accumulating on the seal.
Inhibits Crystallization & Coking – Useful in applications where process fluids tend to solidify upon exposure to air.
Improves Seal Performance & Longevity – Reduces wear and thermal damage.
Provides Cooling & Lubrication – Essential for high-temperature applications.
Versatile for Different Applications – Can use water, steam, nitrogen, or air, depending on process requirements.
Drawbacks
Applications
Warning Notes
Related Technical Papers
Applicable Products
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