Principle of sealing:
The flow of gasket material in the imperfections of
sealing surface is caused by the combination of following two actions:
1) Compression
2) Attrition
Following
factors are important in effective sealing:
1)
Compressive force
2)
Hydro-static end force
3)
Internal pressure
Static Sealing:
Types of Gasket joints:
•
Confined
•
Partly confined
•
Unconfined
•
Self energized
Types of Gaskets:
•
Non-metallic
•
Metallic